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Autor Gil de Paz, Armando |
Documentos disponibles escritos por este autor (189)
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Gil de Paz, Armando ; Silich, S. A. ; Madore, B. F. ; Sánchez Contreras, C. ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús | Univ. Chicago Press | 2002-07-10We have mapped the ^(12)CO J = 1-0 and J = 2-1 line emission in Markarian 86, one of the most metal- deficient blue compact dwarf galaxies so far detected in ^(12)CO. The ^(12)CO emission is distributed in a horseshoelike structure that follows [...]texto impreso
Contreras, C. Sánchez ; Le Mignant, D. ; Sahai, R. ; Gil de Paz, Armando ; Morris, M. | American Astronomical Society | 2007-02-20We present high angular resolution images of the post-AGB nebula IRAS 18276-1431 (also known as OH 17.7-2.0) obtained with the Keck II adaptive optics (AO) system in its natural guide star (NGS) mode in the K_P, L_P, and M_S near-infrared bands.[...]texto impreso
Using new UV magnitudes for a sample of early-type galaxies (ETGs) with published stellar mass-to-light ratios, ?_*, we find a correlation between UV color and ?_* that is tighter than those previously identified between ?_* and either the centr[...]texto impreso
The ultraviolet-to-radio continuum spectral energy distributions are presented for all 75 galaxies in the Spitzer Infrared Nearby Galaxies Survey (SINGS). A principal component analysis of the sample shows that most of the sample's spectral vari[...]texto impreso
Gil de Paz, Armando ; Catalán Torrecilla, Cristina ; Castillo Morales, África ; Marino, Raffaella Anna ; otros, ... | American Astronomical Society | 2016-07-20This paper aims to provide aperture corrections for emission lines in a sample of spiral galaxies from the Calar Alto Legacy Integral Field Area Survey (CALIFA) database. In particular, we explore the behavior of the log([O III] ?5007/H?)/([N II[...]texto impreso
Context. Resonance rings and pseudorings (here collectively called rings) are thought to be related to the gathering of material near dynamical resonances caused by non-axisymmetries in galaxy discs. This means that they are the result of secula[...]texto impreso
Sahai, R. ; Findeisen, K. ; Gil de Paz, Armando ; Sánchez Contreras, C. | American Astronomical Society | 2008-12-20The search for binarity in AGB stars is of critical importance for our understanding of how planetary nebulae acquire the dazzling variety of aspherical shapes which characterizes this class. However, detecting binary companions in such stars ha[...]texto impreso
Breaks in the radial luminosity profiles of galaxies have until now been mostly studied averaged over disks. Here, we study separately breaks in thin and thick disks in 70 edge-on galaxies using imaging from the Spitzer Survey of Stellar Structu[...]texto impreso
Walcher, C. J. ; Wisotzki, L. ; Bekeraite, S. ; Husemann, B. ; Iglesias Páramo, J. ; Backsmann, N. ; Barrera Ballesteros, J. ; Catalán Torrecilla, Cristina ; Cortijo, C. ; Olmo, A. del ; García Lorenzo, B. ; Falcón Barroso, J. ; Jilkova, L. ; Kalinova, V. ; Mast, D. ; Marino, Raffaella Anna ; Méndez Abreu, J. ; Pasquali, A. ; Sánchez, S. F. ; Trager, S. ; Zibetti, S. ; Aguerri, J. A. L. ; Alves, J. ; Bland-Hawthorn, J. ; Boselli, A. ; Castillo Morales, África ; Cid Fernandes, R. ; Flores, H. ; Galbany, L. ; Gallazzi, A. ; García Benito, R. ; Gil de Paz, Armando ; González Delgado, R. M. ; Jahnke, K. ; Jungwiert, B. ; Kehrig, C. ; Lyubenova, M. ; Márquez Pérez, I. ; Masegosa, J. ; Monreal Ibero, A. ; Pérez, E. ; Quirrenbach, A. ; Rosales Ortega, F. F. ; Roth, M. M. ; Sánchez Blázquez, P. ; Spekkens, K. ; Tundo, E. ; van de Ven, G. ; Verheijen, M. A. W. ; Vílchez, J. V ; Ziegler, B. | EDP Sciencies | 2014-09We describe and discuss the selection procedure and statistical properties of the galaxy sample used by the Calar Alto Legacy Integral Field Area (CALIFA) survey, a public legacy survey of 600 galaxies using integral field spectroscopy. The CALI[...]texto impreso
Castillo Morales, África ; Catalán Torrecilla, Cristina ; Marino, Raffaella Anna ; Gil de Paz, Armando ; Mollá, M. | EDP Sciencies | 2013-01We present the first public data release (DR1) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. It consists of science-grade optical datacubes for the first 100 of eventually 600 nearby (0.005texto impreso
Gil de Paz, Armando ; Castillo Morales, África ; Marino, Raffaella Anna ; Mármol Queraltó, Esther | EDP Sciencies | 2012-02The final product of galaxy evolution through cosmic time is the population of galaxies in the local universe. These galaxies are also those that can be studied in most detail, thus providing a stringent benchmark for our understanding of galaxy[...]texto impreso
Castillo Morales, África ; Gil de Paz, Armando ; Catalán Torrecilla, Cristina | EDP Sciencies | 2015-04This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100 galaxies of the First Public Data Release (DR1). Data were obtain[...]texto impreso
This paper describes the third public data release (DR3) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. Science-grade quality data for 667 galaxies are made public, including the 200 galaxies of the second public data release (DR2[...]texto impreso
We present the largest and most homogeneous catalog of H ii regions and associations compiled so far. The catalog comprises more than 7000 ionized regions, extracted from 306 galaxies observed by the CALIFA survey. We describe the procedures use[...]texto impreso
We present the results from the analysis of optical spectra of 31 H?-selected regions in the extended UV (XUV) disks of M83 (NGC 5236) and NGC 4625 recently discovered by GALEX. The spectra were obtained using IMACS at the Las Campanas Observato[...]texto impreso
En esta tesis doctoral se ha estudiado la historia de la formación estelar en la galaxia Mrk 86 como propotipo de la sgalaxias compactas azules o galaxias BCD. Se obtuvieron imágenes en diferentes bandas asó como espectros ópticos de resolución [...]texto impreso
The Spitzer Survey of Stellar Structure in Galaxies (S(4)G) is the largest available database of deep, homogeneous middle-infrared (mid-IR) images of galaxies of all types. The survey, which includes 2352 nearby galaxies, reveals galaxy morpholo[...]texto impreso
Gil de Paz, Armando ; Silich, S. A. ; Madore, B. F. ; Sánchez Contreras, C. ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús | American Astronomical Society | 2002-07-10We have mapped the CO^12 J = 1-0 and J = 2-1 line emission in Markarian 86, one of the most metal-deficient blue compact dwarf galaxies so far detected in CO^12. The CO^12 emission is distributed in a horseshoe-like structure that follows the lo[...]texto impreso
The total ultraviolet (UV) flux (from 1412 to 2718 Å) of M101 is compared on a pixel-to-pixel basis with the total far-infrared (FIR) flux (from 60 to 170 ?m) using the maps of the galaxy taken by the Galaxy Evolution Explorer (GALEX) in the nea[...]texto impreso
Using a complete sample of ~300 star-forming galaxies within 11 Mpc of the Milky Way, we evaluate the consistency between star formation rates (SFRs) inferred from the far ultraviolet (FUV) non-ionizing continuum and H? nebular emission, assumin[...]texto impreso
Castillo Domínguez, E. ; Ferrusca Rodríguez, D. ; Tulloch, S. ; Velázquez, M. ; Carrasco, E. ; Gallego Maestro, Jesús ; Gil de Paz, Armando ; Sánchez, F. M. ; Vílchez, J. M. | Spie-Int Soc Optical Engineering | 2012MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is the new integral field unit (IFU) and multi-object spectrograph (MOS) instrument for the GTC. The spectrograph subsystems include the pseudo-slit, the shutter, the collima[...]texto impreso
Barro, Guillermo ; Gallego Maestro, Jesús ; Pérez González, Pablo Guillermo ; Eliche Moral, María del Carmen ; Balcells, M. ; Villar, V. ; Cardiel López, Nicolás ; Cristobal Hornillos, D. ; Gil de Paz, Armando ; Guzmán, R. ; Pelló, R. ; Prieto, M. ; Zamorano Calvo, Jaime | SPRINGER-VERLAG BERLIN | 2010We present a study that links the NCs to the rest-frame luminosity functions (LFs) at the passbands probed by the observed K-band at different epochs. Making use of a large K-band selected sample in the Groth Field, HDFN and CDFS (?0.27deg^(2)),[...]texto impreso
Gil de Paz, Armando ; Castillo Morales, África ; Sánchez Penim, Ainhoa ; Verdet Paredes, Antonio ; Pascual Ramírez, Sergio ; Curto, Andrés ; García, Oscar ; Gallego Maestro, Jesús ; otros, ... | Spie-Int Soc Optical Engineering | 2018MEGARA is an IFU & MOS medium-resolution spectrograph that finished its commissioning at the GTC 10m telescope on August 2017. MEGARA is a fiber-fed high-resolution spectrograph with two major units, Fiber-MOS & Spectrograph, that are now locate[...]texto impreso
We present the antireflection coatings of the optical elements of MEGARA, the new integral field and multi-object spectrograph for the Gran Telescopio Canarias. We describe the methodology for optimizing the solutions. We also present the result[...]texto impreso
Gil de Paz, Armando ; Madore, B. F. ; Boissier, S. ; Swaters, R. ; Popescu, C. C. ; Tuffs, R. J. ; Sheth, K. ; Kennicutt, R. C. ; Bianchi, L. ; Thilker, D. ; Martin, D. C. | American Astronomical Society | 2005-07-01Recent far-UV (FUV) and near-UV (NUV) observations of the nearby galaxy NGC 4625 made by the Galaxy Evolution Explorer (GALEX) show the presence of an extended UV disk reaching to 4 times the optical radius of the galaxy. The UV-to-optical color[...]texto impreso
Gil de Paz, Armando ; Madore, B. F. ; Noeske, K. ; Cairós, L. M. ; Papaderos, P. ; Silich, S. A. | American Astronomical Society | 2003-10-20We report the discovery of a double ring of emission-line regions around the nucleus of the blue compact dwarf galaxy Mrk 409 as seen by deep, ground-based H? images. Echelle spectroscopy obtained at Magellan I with MIKE shows the presence of io[...]texto impreso
Koda, Jin ; Yagi, Masafumi ; Komiyama, Yutaka ; Boissier, Samuel ; Boselli, Alessandro ; Bouquin, Alexandre Y. K. ; Meyer, Jennifer Donovan ; Gil de Paz, Armando ; Imanishi, Masatoshi ; Madore, Barry F. ; Thilker, David A. | IOP Publishing | 2015-04-01We report the discovery of a new dwarf galaxy (NGC 6503-d1) during the Subaru extended ultraviolet disk survey. It is a likely companion of the spiral galaxy NGC 6503. The resolved images, in the B, V, R, i, and H alpha bands, show an irregular [...]texto impreso
Tidal debris around galaxies can yield important clues on their evolution. We have identified tidal debris in 11 early-type galaxies (T ? 0) from a sample of 65 early types drawn from the Spitzer Survey of Stellar Structure in Galaxies (S^4G). T[...]texto impreso
Sánchez Contreras, C. ; Sahai, R. ; Gil de Paz, Armando ; Goodrich, R. | University Chicago Press | 2008-11We present echelle long-slit optical spectra of a sample of objects evolving off the asymptotic giant branch (AGB), most of them in the preplanetary nebula (PPN) phase, obtained with the ESI and MIKE spectrographs at the 10 m Keck II and 6.5 m M[...]texto impreso
Star-forming regions that are visible at 3.6 ?m and H? but not in the u, g, r, i, z bands of the Sloan Digital Sky Survey are measured in five nearby spiral galaxies to find extinctions averaging ~3.8 mag and stellar masses averaging ~5 × 10^4 M[...]texto impreso
Stellar density and bar strength should affect the temperatures of the cool (T ~ 20–30 K) dust component in the inner regions of galaxies, which implies that the ratio of temperatures in the circumnuclear regions to the disk should depend on Hub[...]texto impreso
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Gil de Paz, Armando ; Díaz Lopez, Cristina ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Muñoz Mateos, Juan Carlos ; Pérez González, Pablo Guillermo ; otros, ... | Astronomical Society of the Pacific | 2008We summarize the main properties of the extended UV (XUV) emission found in roughly 30% of the nearby spiral galaxies observed by the GALEX satellite. Two different classes of XUV disks are identified, the Type 1 XUV disks where significant, str[...]texto impreso
Roussel, H. ; Gil de Paz, Armando ; Seibert, M. ; Helou, G;, G. ; Madore, B. F. ; Martín, C. | American Astronomical Society | 2005-10-10We investigate the possible origin of the strong radial gradient in the ultraviolet-to-infrared ratio in the nearby late-type spiral galaxy NGC 300 and emphasize the importance of local variations in the geometry of the interstellar medium, conc[...]texto impreso
We use the far-UV (FUV) and near-UV images of M83 obtained by the Galaxy Evolution Explorer (GALEX) to compute the radial profile of the UV spectral slope in the star-forming disk. We briefly present a model of its chemical evolution, which allo[...]texto impreso
NGC 1097 is a nearby SBb galaxy with a Seyfert nucleus and a bright starburst ring. We study the physical properties of the interstellar medium (ISM) in the ring using spatially resolved far-infrared spectral maps of the circumnuclear starburst [...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Bouquin, A. ; Carbajo, J. ; Cardiel López, Nicolás ; Castillo Morales, África ; Esteban San Román, Segundo ; López Orozco, José Antonioi ; Pascual Ramírez, Sergio ; Picazo, P. ; Sánchez Penim, Ainhoa ; Zamorano Calvo, Jaime ; Catalán Torrecilla, Cristina ; Dullo, Bililign ; Pérez González, P.G. | Spie-Int Soc Optical Engineering | 2018On June 25th 2017, the new intermediate-resolution optical IFU and MOS of the 10.4-m GTC had its first light. As part of the tests carried out to verify the performance of the instrument in its two modes (IFU & MOS) and 18 spectral setups (ident[...]texto impreso
Junais, ; Boissier, S. ; Epinat, B. ; Amram, P. ; Madore, B.F. ; Boselli, A. ; Koda, J. ; Gil de Paz, Armando ; Muñoz Mateos, J.C. ; Chemin, L. | EDP Sciencies | 2020-05-07Context. Malin 1 is the largest known low surface brightness (LSB) galaxy, the archetype of so-called giant LSB galaxies. The structure and origin of such galaxies are still poorly understood, especially because of the lack of high-resolution ki[...]texto impreso
Toloba, E. ; Boselli, A. ; Cenarro, A. J. ; Peletier, R. F. ; Gorgas García, Francisco Javier ; Gil de Paz, Armando ; Muñoz Mateos, Juan Carlos | EDP Sciencies | 2011-02We present new medium resolution kinematic data for a sample of 21 dwarf early-type galaxies (dEs) mainly in the Virgo cluster, obtained with the WHT and INT telescopes at the Roque de los Muchachos Observatory (La Palma, Spain). These data are [...]texto impreso
M32, the compact elliptical galaxy companion to the Andromeda spiral galaxy, has been imaged by the Galaxy Evolution Explorer (GALEX) in two UV bands, centered at ~1500 (far-ultraviolet [FUV]) and 2300 Å (near-ultraviolet). The imaging data have[...]texto impreso
The European Large-Area ISO Survey (ELAIS) S1 field was observed by the Galaxy Evolution Explorer (GALEX) in both its Wide Spectroscopic and Deep Imaging Survey modes. This field was previously observed by the Infrared Space Observatory, and we [...]texto impreso
Boissier, S. ; Gil de Paz, Armando ; Boselli, A. ; Buat, V. ; Madore, B. ; Chemin, L. ; Balkowski, C. ; Amram, P. ; Carignan, C. ; van Driel, W. | American Astronomical Society | 2008-07-01We present GALEX UV observations of a sample of low surface brightness (LSB) galaxies for which H I data are available, allowing us to estimate their star formation efficiency. We find that the UV light extends to larger radii than the optical l[...]texto impreso
We present Galaxy Evolution Explorer (GALEX) images of the prototypical edge-on starburst galaxies M82 and NGC 253. Our initial analysis is restricted to the complex of ultraviolet (UV) filaments in the starburst-driven outflows in the galaxy ha[...]texto impreso
Lee, anice C. ; Gil de Paz, Armando ; Kennicutt, Robert C., Jr. ; Bothwell, Matthew ; Dalcanton, Julianne ; Funes, Jose G. S. J. ; Johnson, Benjamin D. ; Sakai, Shoko ; Skillman, Evan ; Tremonti, Christy ; van Zee, Liese | University Chicago Press | 2011-01We present results from a GALEX ultraviolet (UV) survey of a complete sample of 390 galaxies within ~11 Mpc of the Milky Way. The UV data are a key component of the composite Local Volume Legacy, an ultraviolet-to-infrared imaging program design[...]texto impreso
We present GALEX near-ultraviolet (2310 Å) and far-ultraviolet (1530 Å) images of the interacting galaxy NGC 4438 (Arp 120) in the center of the Virgo Cluster. These images show an extended (20 kpc) tidal tail at the northwest edge of the galaxy[...]texto impreso
We use GALEX/optical photometry to construct color-color relationships for early-type galaxies sorted by morphological type. We have matched objects in the GALEX GR1 public release and the first IR1.1 internal release, with the RC3 early-type ga[...]texto impreso
We have studied the velocity field of the blue compact dwarf galaxy Mrk 86 (NGC 2537) using data provided by 14 long-slit optical spectra obtained in 10 different orientations and positions. This kinematical information is complemented with narr[...]texto impreso
Spiral arm properties of 46 galaxies in the Spitzer Survey of Stellar Structure in Galaxies (S^4G) were measured at 3.6?m, where extinction is small and the old stars dominate. The sample includes flocculent, multiple arm, and grand design types[...]texto impreso
Cardiel López, Nicolás ; Gallego Maestro, Jesús ; Pascual Ramírez, Sergio ; Eliche Moral, María del Carmen ; Castillo Morales, África ; Guzmán, R. ; Gil de Paz, Armando ; Pérez González, Pablo Guillermo ; Gorgas García, Francisco Javier ; Zamorano Calvo, Jaime | SPRINGER-VERLAG BERLIN | 2010We present a short summary of the activities developed by GUAIX, the Universidad Complutense de Madrid (UCM) Group of Extragalactic Astrophysics and Astronomical Instrumentation. At present we are focused in the development of data reduction pip[...]texto impreso
We present a study of the kinematics of the isolated spiral galaxy NGC 864, using H? Fabry-Perot data obtained with the Galaxy H? Fabry-Perot System (GH?FaS) instrument at the William Herschel Telescope in La Palma, complemented with images at 3[...]texto impreso
Dullo, Bililign ; Chamorro Cazorla, Mario ; Gil de Paz, Armando ; Castillo Morales, María África ; Gallego Maestro, Jesús ; Carrasco, Esperanza ; Iglesias Paramo, Jorge ; Cedazo, Raquel ; García Vargas, María Luisa ; Pascual Ramírez, Sergio ; Cardiel López, Nicolás ; Pérez Calpena, Ana | American Astronomical Society | 2019-01-20Disky bulges in spiral galaxies are commonly thought to form out of disk materials (mainly) via bar-driven secular processes. They are structurally and dynamically distinct from “classical bulges,” which are built in violent merger events. We us[...]texto impreso
Rodríguez Merino, Lino H. ; Mayya, Y.D. ; Coelho, Paula R.T. ; Bruzual, Gustavo ; Charlot, Stéphane ; Carrasco, Esperanza ; Gil de Paz, Armando | IOP Publishing | 2020-01-29The well-known age–metallicity-attenuation degeneracy does not permit unique and good estimates of basic parameters of stars and stellar populations. The effects of dust can be avoided using spectral line indices, but current methods have not be[...]texto impreso
Hester, Janice A. ; Seibert, Mark ; Neill, James D. ; Wyder, Ted K. ; Gil de Paz, Armando ; Madore, Barry F. ; Martin, D. Christopher ; Schiminovich, David ; Rich, R. Michael | IOP Publishing | 2010-06-10Galaxy Evolution Explorer observations of IC 3418, a low surface brightness galaxy in the Virgo Cluster, revealed a striking 17 kpc UV tail of bright knots and diffuse emission. H? imaging confirms that star formation is ongoing in the tail. IC [...]texto impreso
Marino, Raffaella Anna ; Gil de Paz, Armando ; Castillo Morales, África ; Muñoz Mateos, J. C. ; Sánchez, S. F. ; Pérez González, Pablo Guillermo ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Alonso Herrera, A. ; Kannappan, S. ; Boissier, S. ; Eliche Moral, María del Carmen ; García Vargas, M. L. ; Carrasco, E. ; Vílchez, J. M. ; Sánchez Moreno, F. M. | Universidad Nacional Autónoma México, Instituto Astronomía | 2013MEGARA (Multi-Espectrógrafo en GTC de Alta Resolución para Astronomía) is an optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) designed for the GTC 10.4 m telescope in La Palma. MEGARA will be a 3rd generation instrument for [...]texto impreso
Marino, Raffaella Anna ; Gil de Paz, Armando ; Castillo Morales, África ; Muñoz Mateos, J. C. ; Sánchez, S. F. ; Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Alonso Herrero, A. ; Boissier, S. | American Astronomical Society | 2012-07-20We present an analysis of the full bidimensional optical spectral cube of the nearby spiral galaxy NGC 5668, observed with the Pmas fiber PAcK Integral Field Unit (IFU) at the Calar Alto observatory 3.5 m telescope. We make use of broadband imag[...]texto impreso
Mármol Queraltó, E. ; Sánchez,, S. F. ; Marino, Raffaella Anna ; Mast, D. ; Viironen, K. ; Gil de Paz, Armando ; Iglesias Páramo, J. ; Rosales Ortega, F. F. ; Vílchez, J. M. | EDP Sciencies | 2011-10Aims. Integral field spectroscopy (IFS) is a powerful approach to studying nearby galaxies since it enables a detailed analysis of their resolved physical properties. Here we present our study of a sample of nearby galaxies selected to exploit t[...]texto impreso
Sánchez, S. F ; Rosales Ortega, F. F. ; Marino, Raffaella Anna ; Iglesias Páramo, J. ; Vílchez, J. M. ; Kennicutt, R. C. ; Díaz, A. I. ; Mast, D. ; Monreal Ibero, A. ; García Benito, R. ; Bland Hawthorn, J. ; Pérez, E. ; González Delgado, R. ; Husemann, B. ; López Sánchez, A. R. ; Cid Fernandes, R. ; Kehrig, C. ; Walcher, C. J. ; Gil de Paz, Armando ; Ellis, S. | EDP Sciencies | 2012-10We analyse the spectroscopic properties of thousands of H?_? regions identified in 38 face-on spiral galaxies. All galaxies were observed out to 2.4 effective radii using integral field spectroscopy (IFS) over the wavelength range ~3700 to ~6900[...]texto impreso
MEGARA (Multi-Espectrografo en GTC de Alta ResoluciOn para AstronomIa) is an optical Integral-Field Unit and Multi-Object Spectrograph designed for the GTC (Gran Telescopio de Canarias) 10.4m telescope in La Palma, it is expected that the spectr[...]texto impreso
Toloba, E. ; Boselli, A. ; Gorgas García, Francisco Javier ; Peletier, R. F. ; Cenarro, A. J. ; Gadotti, D. A. ; Gil de Paz, Armando ; Pedraz, S. ; Yildiz, U. | IOP Publishing | 2009-12-10We present new observational results on the kinematical, morphological, and stellar population properties of a sample of 21 dEs located both in the Virgo Cluster and in the field, which show that 52% of the dEs (1) are rotationally supported, (2[...]texto impreso
Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Alonso Herrero, A. ; Gil de Paz, Armando ; Aragón Salamanca, A. | American Astronomical Society | 2003-04-10We present the optical and near-infrared luminosity and mass functions of the local star-forming galaxies in the Universidad Complutense de Madrid (UCM) Survey. A bivariate method that explicitly deals with the H? selection of the survey is used[...]texto impreso
Noeske, K. G. ; Koo, D. C. ; Phillips, A. C. ; Willmer, C. N. A. ; Melbourne, J. ; Gil de Paz, Armando ; Papaderos, P. | American Astronomical Society | 2006-04-01We analyze 26 luminous compact blue galaxies (LCBGs) in the Hubble Space Telescope ACS Ultra Deep Field (UDF) at z ~ 0.2-1.3, to determine whether these truly are small galaxies or, rather, bright central starbursts within existing or forming la[...]texto impreso
Eliche Moral, María del Carmen ; Pascual Ramírez, Sergio ; Gruel, N. ; Castillo Morales, África ; Carrasco, E. ; Gallego Maestro, Jesús ; García Vargas, M. L. ; Gil de Paz, Armando ; Marino, Raffaella Anna ; Morales, I. ; Pérez Calpena, A. ; Sánchez, F. M. ; Vílchez, J. M. ; Villar, V. ; Zamorano Calvo, Jaime | Universidad Nacional Autónoma Mexico, Inst. de Astronomía | 2013MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is an optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) designed for the GTC 10.4 m telescope in La Palma. Its relatively complex layout makes necessary a[...]texto impreso
Using photometry of NGC 1097 from the Herschel PACS (Photodetector Array Camera and Spectrometer) instrument, we study the resolved properties of thermal dust continuum emission from a circumnuclear starburst ring with a radius ~900 pc. These ob[...]texto impreso
Kehrig, C. ; Iglesias-Páramo, J. ; Vílchez, J. M. ; Gil de Paz, Armando ; Duarte Puertas, S. ; Perez-Montero, E. ; Díaz, A. I. ; Gallego Maestro, Jesús ; Carrasco, E. ; Cardiel López, Nicolás ; García-Vargas, M. L. ; Castillo Morales, África ; Cedazo, R. ; Gomez- Álvarez, P. ; Martínez-Delgado, I. ; Pascual Ramírez, Sergio ; Pérez-Calpena, A. | Oxford Univ. Press | 2020-10Here we report the first spatially resolved spectroscopic study for the galaxy PHL 293B using the high-resolution GTC/MEGARA integral field unit (IFU). PHL 293B is a local, extremely metal-poor, high ionization galaxy. This makes PHL 293B an exc[...]texto impreso
Gil de Paz, Armando ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Domínguez, F. de B. | EDP Sciences | 2000-09We have obtained optical (BVR, [O III]? 5007 Å and H_?), near infrared (JHK) imaging and long-slit optical spectroscopy for the Blue Compact Dwarf galaxy Mrk 86 (NGC 2537). In this paper, the first of two, we present optical-near-infrared colors[...]texto impreso
In this paper, continuation of Gil de Pat et al. (Paper I), we derive the main properties of the stellar populations in the Blue Compact Dwarf galaxy Mrk 86. Ages, stellar masses, metallicites and burst strengths have been obtained using the com[...]texto impreso
We use empirical star formation histories (SFHs), measured from Hubble-Space-Telescope-based resolved star color-magnitude diagrams, as input into population synthesis codes to model the broadband spectral energy distributions (SEDs) of 50 nearb[...]texto impreso
Ortiz, R. ; Carrasco, E. ; Paez, G. ; Pompa, O. ; Sánchez Blanco, E. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Iglesias Páramo, J. | Spie-Int Soc Optical Engineering | 2018MEGARA is the new integral field unit (IFU) and multi-object (MOS) spectrograph successfully commissioned at Gran Telescopio Canarias, in August 2017. MEGARA provides spectral resolutions R (fwhm) similar to 6000, 12000 and 20000, via volume pha[...]texto impreso
Castillo Morales, África ; Eliche Moral, María del Carmen ; Pascual Ramírez, Sergio ; Marino, Raffaella Anna ; Villar, V. ; Cardiel López, Nicolás ; Morales, I. ; González, E. ; Cedazo, R. ; Serena, F. ; Gallego Maestro, Jesús ; Carrasco, E. ; Vílchez, J. M. ; Sánchez, F. M. ; Gil de Paz, Armando ; García Vargas, M. L. | Universidad Nacional Autónoma Mexico, Inst. de Astronomía | 2013MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is an optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) designed for the GTC 10.4 m telescope in La Palma. The MEGARA Control System will provide the capa[...]texto impreso
Ferrusca, D. ; Castillo, E. ; Velázquez de la Rosa, M. ; García-Vargas, M.L. ; Zamorano Calvo, Jaime ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Carrasco, E. ; Vílchez, J.M. ; Sánchez-Moreno, F.M. | Instituto de Astronomía de la UNAM. Universidad Nacional Autónoma de México | 2013MEGARA (Multi Espectrógrafo en GTC de Alta Resolución para Astronomía) is the new integral field unit (IFU) and multi-object spectrograph (MOS) instrument for the Gran Telescopio Canarias (GTC). The selected cryogenic device to harbor the CCD de[...]texto impreso
Tulloch, S.M. ; García Vargas, M. L. ; Maldonado, M. ; Zamorano Calvo, Jaime ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Carrasco, E. ; Vílchez, J.M. ; Sánchez Moreno, F. M. | Instituto de Astronomía de la UNAM. Universidad Nacional Autónoma de México | 2013LICA (Laboratorio de Instrumentaci´on Cient´?fica Avanzada) is an initiative of the Campus de Excelencia Internacional of UCM. Among the facilities within LICA, a new laboratory has been assigned to MEGARA project for subsystem tests and AIV. Th[...]texto impreso
Zamorano Calvo, Jaime ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Cardiel López, Nicolás ; Eliche Moral, María del Carmen ; Pascual Ramírez, Sergio ; Castillo Morales, África ; Marino, Raffaella Anna ; Villar, V. ; García Vargas, M. L. ; Tulloch, S. M. ; Maldonado, M. ; Sánchez Blanco, E. ; Carrasco, E. ; Sánchez, F. M. ; Vílchez, J. M. ; Muñoz, V. ; Aguirre, D. | Universidad Nacional Autónoma Mexico, Inst. de Astronomía | 2013LICA-UCM is the brand new laboratory for scientific advanced instrumentation (Laboratorio de Investigacion Cientifica Avanzada) at Universidad Complutense de Madrid where MEGARA integration will take place.texto impreso
Pérez Calpena, A. ; Arrillaga, X. ; Gil de Paz, Armando ; Sánchez Blanco, E. ; García Vargas, M. L. ; Carrera, M. A. ; Gallego Maestro, Jesús ; Carrasco, E. ; Sánchez, F. M. ; Vílchez, J. M. | Spie-Int Soc Optical Engineering | 2012MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is the future optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for GTC. The Fiber Units are placed at one Folded Cassegrain focus and feed the spectrogra[...]texto impreso
García Vargas, M. L. ; Carrasco, E. ; Mollá, M. ; Gil de Paz, Armando ; Berlanas, S.R. ; Cardiel López, Nicolás ; Gómez Álvarez, P. ; Gallego Maestro, Jesús ; Iglesias Páramo, J. ; Cedazo, R. ; Pascual Ramírez, Sergio ; Castillo Morales, África ; Pérez Calpena, A. ; Martínez Delgado, I. | Oxford University Press. | 2020-03MEGARA (Multi Espectrografo en GTC de Alta Resolucion para Astronomia) is an optical (3650-9750 Å), fibre-fed, medium-high spectral resolution (R = 6000, 12 000 and 20 000) instrument for the Gran Telescopio CANARIAS (GTC) 10.4-m telescope, comm[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Pascual Ramírez, Sergio | Oxford Univ. Press | 2020-10We here report the detection of extended He ii ?4686 nebular emission in the central region of NGC 1569 using the integral field spectrograph MEGARA at the 10.4-m Gran Telescopio Canarias. The observations cover a Field of View (FoV) of 12.5 arc[...]texto impreso
Martínez-Delgado, I. ; Sánchez-Blanco, E. ; Pérez-Calpena, A. ; García-Vergasa, M.L. ; Maldonado, X.M. ; Gil de Paz, Armando ; Carrasco, E. ; Gallego Maestro, Jesús ; Iglesias-Páramo, J. ; Sánchez Moreno, F.M. ; MEGARA, Team | SPIE-Int. Soc. Optical Engineering | 2016-07-22MEGARA is a third generation spectrograph for the Spanish 10.4m telescope (GTC) providing two observing modes: a large central Integral Field Unit (IFU), called the Large Compact Bundle (LCB), covering a FOV of 12.5 × 11.3 arcsec^(2) , and a Mul[...]texto impreso
Castillo Domínguez, E. ; Avilés, J. L. ; Carrasco, E. ; Maldonado, M. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Cedazo, R. ; Iglesias, J. | SPIE, the international society for optics and photonics | 2014MEGARA is the future integral-field and multi-object spectrograph for the GTC 10.4m telescope located in the Observatorio del Roque de los Muchachos in La Palma. INAOE is a member of the MEGARA Consortium and it is in charge of the Optics Manufa[...]texto impreso
Pérez Calpena, Ana ; Sánchez-Blanco Mancera, Ernesto ; Gómez Álvarez, Pedro ; Martínez Delgado, Ismael ; Castillo Morales, África ; Gil de Paz, Armando ; Arrillaga, Xabier, Xabier ; García Vargas, Marisa Luisa ; Gallego Maestro, Jesús ; Carrasco Licea, Esperanza ; Iglesias Páramo, Jorge;, Jorge ; Cedazo, Raquel | Spie-Int Soc Optical Engineering | 2018MEGARA is an integral-field and multi-object medium-resolution spectrograph for the GTC 10.4m telescope, which was commissioned on June - August 2017. MEGARA offers two observing modes, the LCB mode, a large central IFU; and a Multi-Object Spect[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Eliche Moral, María del Carmen ; Marino, Raffaella Anna ; Pascual, S. ; Sánchez Penim, A. ; Zamorano Calvo, Jaime ; Cardiel López, Nicolás ; Pérez González, Pablo Guillermo ; Villar, V. | SPIE, the international society for optics and photonics | 2014MEGARA (Multi-Espectrógrafo en GTC de Alta Resolución para Astronomía) is an optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) designed for the GTC 10.4m telescope in La Palma. MEGARA offers two IFU fiber bundles, one coverin[...]texto impreso
García Vargas, María Luisa ; Sánchez Blanco, Ernesto ; Carrasco, Esperanza ; Gil de Paz, Armando ; Páez, Gonzalo ; Pérez, Ana ; Gallego Maestro, Jesús ; Sánchez, Francisco ; Vílchez, José M. | Spie-Int Soc Optical Engineering | 2012We describe the optical design of MEGARA, the future optical Integral Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the 10.4-m Gran Telescopio CANARIAS (GTC). MEGARA is being built by a Consortium of public research institutions led b[...]texto impreso
Aguirre Aguirre, D. ; Izazaga Pérez, R. ; Villalobos Mendoza, B. ; Carrasco, E. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Iglesias, J. | IOP publishing ltd | 2017MEGARA is the new integral-field and multi-object optical spectrograph for the GTC. For medium and high resolution, the dispersive elements are volume phase holographic gratings, sandwiched between two flat windows and two prisms of high optical[...]texto impreso
Maldonado Medina, Manuel ; García Vargas, María Luisa ; Gil de Paz, Armando ; Sánchez Blanco, Ernesto ; Pérez Calpena, Ana ; Gallego Maestro, Jesús ; Carrasco Licea, Esperanza ; Sánchez Moreno, Francisco ; Vílchez Medina, José | Spie-Int Soc Optical Engineering | 2012MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is the future optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the GTC 10.4m telescope. This contribution summarizes the current mechanical design of[...]texto impreso
MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is the future optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the GTC 10.4m telescope. The spectrograph is currently being integrated in the laborat[...]texto impreso
Carrasco, E. ; Sánchez Blanco, E. ; García Vargas, M. L. ; Gil de Paz, Armando ; Paez, G. ; Gallego Maestro, Jesús ; Sánchez, F. M. ; Vílchez, J. M. | Spie-Int Soc Optical Engineering | 2012MEGARA is the next optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for Gran Telescopio Canarias. The instrument offers two IFUs plus a Multi-Object Spectroscopy (MOS) mode: a large compact bundle covering 12.5 arcsec x 11.3[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Eliche Moral, María del Carmen ; Marino, Raffaella Anna ; Pascual Ramírez, Sergio ; Zamorano Calvo, Jaime ; Cardiel López, Nicolás ; Pérez González, Pablo Guillermo ; ..., otros | Universidad Nacional Autónoma Mexico, Inst. de Astronomía | 2013In these proceedings we summarize the characteristics and current status of MEGARA, the future optical IFU and MOS for the 10.4 m GTC. MEGARA is being built by a Consortium led by the UCM (Spain) that also includes the INAOE (Mexico), the IAA-CS[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Eliche Moral, María del Carmen ; Pascual, S. ; Sánchez Penim, A. ; Villar, V. ; Zamorano Calvo, Jaime ; Cardiel López, Nicolás ; Cava, A. ; Pérez González, Pablo Guillermo | Spie-Int Soc Optical Engineering | 2012In these proceedings we give a summary of the characteristics and current status of the MEGARA instrument, the future optical IFU and MOS for the 10.4-m Gran Telescopio Canarias (GTC). MEGARA is being built by a Consortium of public research ins[...]texto impreso
MEGARA, the new intermediate-resolution optical IFU and MOS for GTC: getting ready for the telescope
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Cardiel López, Nicolás ; Castillo Morales, África ; Cruz García, Jesús Manuel de la ; Esteban San Román, Segundo ; López Orozco, José Antonio ; Pascual, S. ; Picazo, P. ; Sánchez-Penim, A. ; Zamorano Calvo, Jaime ; Pérez González, Pablo Guillermo ; otros, ... | Spie-Int Soc Optical Engineering | 2016MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is an optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) designed for the GTC 10.4m telescope in La Palma that is being built by a Consortium led by UCM (S[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Bouquin, A. ; Carbajo, J. ; Cardiel López, Nicolás ; Castillo Morales, África ; Esteban San Román, Segundo ; López Orozco, José Antonio ; Pascual, S. ; Picazo, P. ; Sánchez Penim, Ainhoa ; Velázquez, M. ; Zamorano Calvo, Jaime ; Catalán Torrecilla, Cristina ; Dullo, Bililign ; Pérez González, P.G. ; Roca Fábrega, Santi | Spie-Int Soc Optical Engineering | 2018MEGARA is the new generation IFU and MOS optical spectrograph built for the 10.4m Gran Telescopio CANARIAS (GTC). The project was developed by a consortium led by UCM (Spain) that also includes INAOE (Mexico), IAA-CSIC (Spain) and UPM (Spain). T[...]texto impreso
Spitzer Space Telescope Infrared Array Camera imaging provides an opportunity to study all known morphological types of galaxies in the mid-IR at a depth significantly better than ground-based near-infrared and optical images. The goal of this s[...]texto impreso
The morphology of galaxies can be quantified to some degree using a set of scale-invariant parameters. Concentration (C), asymmetry (A), smoothness (S), the Gini index (G), the relative contribution of the brightest pixels to the second-order mo[...]texto impreso
We study the surface brightness profiles of disc galaxies in the 3.6 µm images from the Spitzer Survey of Stellar Structure in Galaxies (S^4G) and K_s-band images from the Near Infrared S0-Sa galaxy Survey (NIRS0S). We particularly connect prope[...]texto impreso
Sollima, A. ; Gil de Paz, Armando ; Martínez Delgado, D. ; Gabany, R. J. ; Gallego Laborda, J. J. ; Hallas, T. | EDP Sciencies | 2010-06Context. The optical ring-like structure detected by Arp (1965) around M81 (commonly referenced as "Arp's loop") represents one of thethe most spectacular features observed in nearby galaxies. Arp's loop is commonly interpreted as a tail resulti[...]texto impreso
Paliya, Vaidehi S. ; Böttcher, M. ; Olmo García, A. ; Dominguez, A. ; Gil de Paz, Armando ; Franckowiak, A. ; Garrappa, S. ; Stein, R. | IOP publishing ltd | 2020-10The recent spatial and temporal coincidence of the blazar TXS 0506+056 with the IceCube-detected neutrino event IC-170922A has opened up a realm of multimessenger astronomy with blazar jets as a plausible site of cosmic-ray acceleration. After T[...]texto impreso
Zamorano Calvo, Jaime ; Díaz-Guerra Viejo, Carlos ; Gallego Maestro, Jesús ; Pérez González, Pablo Guillermo ; Gil de Paz, Armando ; Pascual, S. ; Villar, V. ; Alonso Herrero, A. ; Aragón Salamanca, A. | Universidad Nacional Autónoma México, Instituto Astronomía | 2005We have studied in detail the properties of local active star-forming galaxies from the UCM survey, and in particular their star-formation histories. We have quantified the relative importance of the current episode of star formation in comparis[...]texto impreso
Thilker, David A. ; Bianchi, Luciana ; Schiminovich, David ; Gil de Paz, Armando ; Seibert, Mark ; Madore, Barry F. ; Wyder, Ted ; Rich, R. Michael ; Yi, Sukyoung ; Barlow, Tom ; Conrow, Tim ; Forster, Karl ; Friedman, Peter ; Martin, Chris ; Morrissey, Patrick ; Neff, Susan ; Small, Todd | IOP Publishing | 2010-05-01We have discovered recent star formation in the outermost portion ((1-4) × R_25) of the nearby lenticular (S0) galaxy NGC 404 using Galaxy Evolution Explorer UV imaging. FUV-bright sources are strongly concentrated within the galaxy's H I ring ([...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Pascual Ramírez, Sergio ; Cardiel López, Nicolás | Oxford University Press. | 2020-04We present our analysis of high-resolution (R ? 20 000) GTC/MEGARA integral-field unit spectroscopic observations, obtained during the commissioning run, in the inner region (12.5 arcsec × 11.3 arcsec) of the active galaxy NGC 7469, at spatial s[...]texto impreso
Gil de Paz, Armando ; Sharma, A. ; Chotia, A. ; Marechal, E. ; Huckans, J. H. ; Pedri, P. ; Santos, L. ; Gorceix, O. ; Vernac, L. ; Laburthe-Tolra, B. | American Physical Society | 2013-10-30We report on the realization of quantum magnetism using a degenerate dipolar gas in an optical lattice. Our system implements a lattice model resembling the celebrated t-J model. It is characterized by a nonequilibrium spinor dynamics resulting [...]texto impreso
Barro, G. ; Gallego Maestro, Jesús ; Pérez González, Pablo Guillermo ; Eliche Moral, María del Carmen ; Balcells, M. ; Villar, V. ; Cardiel López, Nicolás ; Cristobal Hornillos, D. ; Gil de Paz, Armando ; Guzmán, R. ; Pelló, R. ; Prieto, M. ; Zamorano Calvo, Jaime | EDP Sciencies | 2009-01Context. The galaxy number counts has been traditionally used to test models of galaxy evolution. However, the origin of significant differences in the shape of number counts at different wavelengths is still unclear. By relating the most remark[...]texto impreso
We have derived the uncertainties to be expected in the derivation of galaxy physical properties (star formation history, age, metallicity, and reddening) when comparing broadband photometry to the predictions of evolutionary synthesis models. W[...]texto impreso
We study the m = 1 distortions (lopsidedness) in the stellar components of 167 nearby galaxies that span a wide range of morphologies and luminosities. We confirm the previous findings of (1) a high incidence of lopsidedness in the stellar distr[...]texto impreso
Carrasco, Esperanza ; Sánchez Blanco, Ernesto ; García Vargas, María Luisa ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Páez, Gonzalo ; Zamorano, Jaime ; Castro, Jorge | Spie-Int Soc Optical Engineering | 2011MEGARA is a multi-object spectrograph project for the 10.4m Gran Telescopio Canarias with medium to high resolution: R ~ 5600 - 17000. The instrument operates in three modes that cover different sky areas and that can run simultaneously: (1) the[...]texto impreso
Pérez González, Pablo Guillermo ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Gil de Paz, Armando | EDP Sciences | 2000-02We present Johnson B CCD photometry for the whole sample of galaxies of the Universidad Complutense de Madrid (UCM) Survey Lists I and II. They constitute a well-defined and complete sample of galaxies in the Local Universe with active star form[...]texto impreso
Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Gil de Paz, Armando | EDP Sciencies | 2001-01We present Johnson B surface photometry for the UCM Survey galaxies. One-dimensional bulge-disk decomposition is attempted, discussing on fitting functions and computational procedures. The results from this decomposition, jointly with concentra[...]texto impreso
Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Gil de Paz, Armando | EDP Sciencies | 2001-01We present Johnson B surface photometry for the UCM Survey galaxies. One-dimensional bulge-disk decomposition is attempted, discussing on fitting functions and computational procedures. The results from this decomposition, jointly with concentra[...]texto impreso
Marino, Raffaella Anna ; Gil de Paz, Armando ; Cardiel López, Nicolás ; Castillo Morales, África ; Catalán Torrecilla, Cristina ; ..., otros. | EDP Sciencies | 2016-01We study, for the first time in a statistically significant and well-defined sample, the relation between the outer-disk ionized-gas metallicity gradients and the presence of breaks in the surface brightness profiles of disk galaxies. Sloan Digi[...]texto impreso
We present B, R, and H? images for a total of 114 nearby galaxies (v_heliotexto impreso
We present the results from an analysis of surface photometry of B, R, and H? images of a total of 114 nearby galaxies (v_heliotexto impreso
MEGARA is the new IFU and multiobject spectrograph for Gran Telescopio Canarias. The spectograph will offer spectral resolution R-fwhm similar to 6,000, 12,000 and 18,700. Except for the optical fibers and microlenses, the complete MEGARA optica[...]texto impreso
In this paper we present optical long-slit spectroscopy and imaging of the proto-planetary nebula CRL 618. The optical lobes of CRL 618 consist of shock-excited gas, which emits many recombination and forbidden lines, and dust, which scatters li[...]texto impreso
Marino, Raffaella Anna ; Gil de Paz, Armando ; otros, ... | UNIV NACIONAL AUTONOMA MEXICO, INST DE ASTRONOMIA | 2016-04We present an improved version of FIT3D, a fitting tool for the analysis of the spectroscopic properties of the stellar populations and the ionized gas derived from moderate resolution spectra of galaxies. This tool was developed to analyze inte[...]texto impreso
Marino, Raffaella Anna ; Gil de Paz, Armando | Universidad Nacional Autónoma Mexico, Inst. de Astronomía | 2016-04We present PIPE3D, an analysis pipeline based on the FIT3D fitting tool, developed to explore the properties of the stellar populations and ionized gas of integral field spectroscopy (IFS) data. PIPE3D was created to provide coherent, simple to [...]texto impreso
MEGARA (Multi-Espectrógrafo en GTC de Alta Resolución para Astronomía) is the new integral-field and multi-object optical spectrograph for the 10.4m Gran Telescopio Canarias.. It will offer RFWHM ~6,000, 12,000 and 18,700 for the low- , mid- and[...]texto impreso
García Vargas, María Luisa ; Pérez Calpena, Ana ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Carrasco, Esperanza ; Cedazo, Raquel ; Iglesias, Jorge | Spie-Int Soc Optical Engineering | 2014The project management of complex instruments for ground-based large telescopes is a challenge itself. A good management is a clue for project success in terms of performance, schedule and budget. Being on time has become a strict requirement fo[...]texto impreso
Muñoz Mateos, J.C. ; Gil de Paz, Armando ; Zamorano Calvo, Jaime ; Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús | SPRINGER-VERLAG BERLIN | 2010We present a detailed analysis of the radial distribution of dust properties (extinction, PAH abundance and dust-to-gas ratio) in 57 galaxies in the SINGS sample, performed on a multi-wavelength set of UV, IR and radio surface brightness profile[...]texto impreso
Muñoz Mateos, J. C. ; Gil de Paz, Armando ; Zamorano Calvo, Jaime ; Boissier, S. ; Dale, D. A. ; Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús ; Madore, B. F. ; Bendo, G. ; Boselli, A. ; Buat, V. ; Calzetti, D. ; Moustakas, J. ; Kennicutt, R. C. Jr. | American Astronomical Society | 2009-10-01We present ultraviolet through far-infrared (FIR) surface brightness profiles for the 75 galaxies in the Spitzer Infrared Nearby Galaxies Survey (SINGS). The imagery used to measure the profiles includes Galaxy Evolution Explorer UV data, optica[...]texto impreso
Muñoz Mateos, J. C. ; Gil de Paz, Armando ; Boissier, S. ; Zamorano Calvo, Jaime ; Dale, D. A. ; Pérez González, Pablo Guillermo ; Gallego Maestro, Jesús ; Madore, B. F. ; Bendo, G. ; Thornley, M. D. ; Draine, B. T. ; Boselli, A. ; Buat, V. ; Calzetti, D. ; Moustakas, J. ; Kennicutt, R. C. Jr. | American Astronomical Society | 2009-08-20We present a detailed analysis of the radial distribution of dust properties in the SINGS sample, performed on a set of ultraviolet (UV), infrared (IR), and Hi surface brightness profiles, combined with published molecular gas profiles and metal[...]texto impreso
Muñoz Mateos, J. C. ; Boissier, S. ; Gil de Paz, Armando ; Zamorano Calvo, Jaime ; Kennicutt, R. C., Jr. ; Moustakas, J. ; Prantzos, N. ; Gallego Maestro, Jesús | American Astronomical Society | 2011-04-10We analyze the evolution of 42 spiral galaxies in the Spitzer Infrared Nearby Galaxies Survey. We make use of ultraviolet (UV), optical, and near-infrared radial profiles, corrected for internal extinction using the total-infrared to UV ratio, t[...]texto impreso
For a sample of 43 nearby, late-type galaxies, we have investigated the radial variation of both the current star formation rate and the dust-induced UV light attenuation. To do this we have cross-correlated IRAS images and GALEX observations fo[...]texto impreso
The Galaxy Evolution Explorer (GALEX) Nearby Galaxies Survey is providing deep far-UV and near-UV imaging for a representative sample of galaxies in the local universe. We present early results for M51 and M101, from GALEX UV imaging and Sloan D[...]texto impreso
Ultraviolet imaging with the Galaxy Evolution Explorer (GALEX) has revealed an extensive sample of UV-bright stellar complexes in the extreme outer disk of M83, extending to about 4 times the radius at which the majority of H II regions are dete[...]texto impreso
Rodríguez Muñoz, Lucía ; Gallego Maestro, Jesús ; Pacifici, Camilla ; Tresse, Laurence ; Charlot, Stéphane ; Gil de Paz, Armando ; Barro, Guillermo ; Villar, Víctor | IOP Publishing | 2015-01-20The epoch when low-mass star-forming galaxies (LMSFGs) form the bulk of their stellar mass is uncertain. While some models predict an early formation, others favor a delayed scenario until later ages of the universe. We present constraints on th[...]texto impreso
With the aim of constructing accurate two-dimensional maps of the stellar mass distribution in nearby galaxies from Spitzer Survey of Stellar Structure in Galaxies 3.6 and 4.5 ?m images, we report on the separation of the light from old stars fr[...]texto impreso
We present a new approach for estimating the 3.6 ?m stellar mass-to-light (M/L) ratio ?_3.6 in terms of the [3.6]-[4.5] colors of old stellar populations. Our approach avoids several of the largest sources of uncertainty in existing techniques u[...]texto impreso
Thilker, D. A. ; Bianchi, L. ; Meurer, G. ; Gil de Paz, Armando ; Boissier, S. ; Madore, B. F. ; Ferguson, A. ; Hameed, S. ; Neff, S. ; Martin, C. D. ; Rich, R. M. ; Schiminovich, D. ; Seibert, M.;, M. ; Wyder, T. | Astronomical Society of the Pacific (ASP) | 2008We describe HST imaging of recent star formation complexes located in the extended UV disk (XUV-disk) component of NGC 5236 (M 83), NGC 5055 (M 63), and NGC 2090. Photometry in four FUV-visible bands permits us to constrain the type of resolved [...]texto impreso
Gil de Paz, Armando ; Chotia, A. ; Marechal, E. ; Pedri, P. ; Vernac, L. ; Gorceix, O. ; Laburthe-Tolra, B. | American Physical Society | 2013-05-31We study dipolar relaxation of a chromium Bose-Einstein condensate loaded into a three-dimensional (3D) optical lattice. We observe dipolar relaxation resonances when the magnetic energy released during the inelastic collision matches an excitat[...]texto impreso
Tulloch, S. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Tapia, C. | Spie-Int Soc Optical Engineering | 2012A CCD test-bench has been built at the Universidad Complutense's LICA laboratory. It is initially intended for commissioning of the MEGARA(1) (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) instrument but can be considered as a g[...]texto impreso
We have initiated a search for extended ultraviolet disk (XUV-disk) galaxies in the local universe. Here we compare GALEX UV and visible-NIR images of 189 nearby (Dtexto impreso
Pérez González, Pablo Guillermo ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Aragón Salamanca, A. ; Gil de Paz, Armando | American Astronomical Society | 2003-07-10We present a photometric study of the Halpha emission in the Universidad Complutense de Madrid (UCM) Survey galaxies. This work complements our previously published spectroscopic data. We study the location of the star-forming knots, their inten[...]texto impreso
Catalán Torrecilla, C. ; Castillo Morales, África ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Chamorro Cazorla, Mario ; Pascual Ramírez, Sergio ; Cardiel López, Nicolás ; Dullo, Bililign | IOP publishing ltd | 2020-02-06We present a comprehensive analysis of the multiphase structure of the interstellar medium (ISM) and the stellar kinematics in the edge-on nearby galaxy UGC 10205 using integral field spectroscopy (IFS) data taken with MultiEspectrógrafo en GTC [...]texto impreso
Viironen, K. ; Sánchez, S. F. ; Mármol Queraltó, E. ; Iglesias Páramo, J. ; Mast, D. ; Marino, Raffaella Anna ; Cristobal Hornillos, D. ; Gil de Paz, Armando ; van de Ven, G. ; Vílchez, J. ; Wisotzki, L. | EDP Sciencies | 2012-02Context. We carry out a detailed 2-D study of the ionised gas in the local universe galaxy UGC 9837. In nearby galaxies, like the galaxy in question here, the spatial distribution of the physical properties can be studied in detail, providing be[...]texto impreso
Muñoz Mateos, J. C. ; Gil de Paz, Armando ; Boissier, S. ; Zamorano Calvo, Jaime ; Jarrett, T. ; Gallego Maestro, Jesús ; Madore, B. F. | American Astronomical Society | 2007-04-01We present specific star formation rate (sSFR) radial profiles for a sample of 161 relatively face-on spiral galaxies from the GALEX Atlas of NearbyGalaxies. The sSFR profiles are derived from GALEX and 2MASS (FUV-K) color profiles after a prope[...]texto impreso
We present a catalogue and images of visually detected features, such as asymmetries, extensions, warps, shells, tidal tails, polar rings, and obvious signs of mergers or interactions, in the faint outer regions (at and outside of R_25) of nearb[...]texto impreso
Madore, B. F. ; Boissier, S. ; Gil de Paz, Armando ; Nelson, E. ; Petrillo, K. | Astronomical Society of the Pacific | 2007We present recent results from several on-going studies: The first addresses the question of gas-density thresholds for star formation, as probed by the outer disks of normal nearby galaxies. The second concerns the observational evidence for th[...]texto impreso
Espada, D. ; Muñoz Mateos, J. C. ; Gil de Paz, Armando ; Sabater, J. ; Boissier, S. ; Verley, S. ; Athanassoula, E. ; Bosma, A. ; León, S. ; Verdes Montenegro, L. ; Yun, M. ; Sulentic, J. | American Astronomical Society | 2011-07-20We study the Kennicutt-Schmidt star formation law and efficiency in the gaseous disk of the isolated galaxy CIG 96 (NGC 864), with special emphasis on its unusually large atomic gas (H I) disk (r_ H mathsci/r_ 25 = 3.5, r_ 25 = 1 85). We present[...]texto impreso
Catalán Torrecilla, Cristina ; Gil de Paz, Armando ; Castillo Morales, África ; Pérez González, Pablo Guillermo ; Marino, Raffaella Anna ; otros, ... | EDP Sciencies | 2015-12Context. The star formation rate (SFR) is one of the main parameters used to analyze the evolution of galaxies through time. The need for recovering the light reprocessed by dust commonly requires the use of low spatial resolution far-infrared d[...]texto impreso
Catalán Torrecilla, Cristina ; Gil de Paz, Armando ; Castillo Morales, África | American Astronomical Society | 2017-10-20We estimate the current extinction-corrected Ha star formation rate (SFR) of the different morphological components that shape galaxies (bulges, bars, and disks). We use a multicomponent photometric decomposition based on Sloan Digital Sky Surve[...]texto impreso
This work presents the main ultraviolet (UV) and far-infrared (FIR) properties of two samples of nearby galaxies selected from the GALEX (? = 2315 Å, hereafter NUV) and IRAS (? = 60 ?m) surveys, respectively. They are built in order to obtain de[...]texto impreso
Gil de Paz, Armando ; Aragón Salamanca, A. ; Gallego Maestro, Jesús ; Alonso Herrero, A. ; Zamorano Calvo, Jaime ; Kauffmann, G. | Wiley | 2000-08-01We present new near-infrared J and K imaging data for 67 galaxies from the Universidad Complutense de Madrid (UCM) survey used in the determination of the SFR density of the local Universe by Gallego et al. This is a sample of local star-forming[...]texto impreso
Aragón Salamanca, A. ; Alonso Herrero, A. ; Gallego Maestro, Jesús ; García Dabó, C. E. ; Pérez González, Pablo Guillermo ; Zamorano Calvo, Jaime ; Gil de Paz, Armando | Astronomical Society of the Pacific | 2003The [O ii]?3727 emission line is frequently used as an indicator of the star formation rate (SFR) despite its complex dependence on metallicity and excitation conditions. We have analysed the properties of the [O II] and H? emission lines for a [...]texto impreso
We use the Galaxy Evolution Explorer (GALEX) Medium and All-Sky Imaging Survey (MIS and AIS) data from the first public data release (GR1), matched to the Sloan Digital Sky Survey (SDSS) DR3 catalog, to perform source classification. The GALEX s[...]texto impreso
Sánchez Blázquez, P. ; Rosales Ortega, F. F. ; Méndez Abreu, J. ; Pérez, I. ; Sánchez, S. F. ; Zibetti, S. ; Aguerri, J. A. L. ; Bland-Hawthorn, J. ; Catalán Torrecilla, Cristina ; Cid Fernandes, R. ; de Amorim, A. ; de Lorenzo Cáceres, A. ; Falcón Barroso, J. ; Galazzi, A. ; García Benito, R. ; Gil de Paz, Armando ; González Delgado, R. ; Husemann, B. ; Iglesias Paramo, Jorge ; Jungwiert, B. ; Marino, Raffaella Anna ; Márquez, I. ; Mast, D. ; Mendoza, M. A. ; Mollá, M. ; Papaderos, P. ; Ruiz Lara, T. ; van de Ven, G. ; Walcher, C. J. ; Wisotzki, L. | EDP Sciencies | 2014-10While studies of gasphase metallicity gradients in disc galaxies are common, very little has been done towards the acquisition of stellar abundance gradients in the same regions. We present here a comparative study of the stellar metallicity and[...]texto impreso
Pérez González, Pablo Guillermo ; Gil de Paz, Armando ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Alonso Herrero, A. ; Aragón Salamanca, A | Wiley | 2003-01-11We present an analysis of the integrated properties of the stellar populations in the Universidad Complutense de Madrid (UCM) Survey of Halpha-selected galaxies. In this paper, the first of a series, we describe in detail the techniques develope[...]texto impreso
Pérez González, Pablo Guillermo ; Gil de Paz, Armando ; Zamorano Calvo, Jaime ; Gallego Maestro, Jesús ; Alonso Herrero, A. ; Aragón Salamanca, A. | Wiley | 2003-01-11We present the integrated properties of the stellar populations in the Universidad Complutense de Madrid (UCM) Survey galaxies. Applying the techniques described in the first paper of this series, we derive ages, burst masses and metallicities o[...]texto impreso
Sahai, Raghvendra ; Neill, James D. ; Gil de Paz, Armando ; Sánchez Contreras, Carmen | IOP Publishing | 2011-10-20Binarity is believed to dramatically affect the history and geometry of mass loss in asymptotic giant branch (AGB) and post-AGB stars, but observational evidence of binarity is sorely lacking. As part of a project to look for hot binary companio[...]texto impreso
NGC 1097 is a nearby Seyfert 1 galaxy with a bright circumnuclear starburst ring, a strong large-scale bar, and an active nucleus. We present a detailed study of the spatial variation of the far-infrared (FIR) [C II]158 ?m and [O I]63 ?m lines a[...]texto impreso
Pérez Calpena, A. ; García Vargas, M. L. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Carrasco Licea, E. ; Sánchez Moreno, F. ; Iglesias Páramo, J. | Spie-Int Soc Optical Engineering | 2014MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is a facility instrument of the 10.4m GTC (La Palma, Spain) working at optical wavelengths that provides both Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) ca[...]texto impreso
We present spatial variations of the CO J = 2?1/1–0 line ratio (R_(21/10)) in the barred spiral galaxy M83 using Total Power Array (single-dish telescopes) data from the Atacama Large Millimeter/submillimeter Array. While the intensities of thes[...]texto impreso
We combine data from the Spitzer Survey for Stellar Structure in Galaxies, a recently calibrated empirical stellar mass estimator from Eskew et al., and an extensive database of H i spectral line profiles to examine the baryonic Tully–Fisher (BT[...]texto impreso
Dullo, Bililign T. ; Bouquin, Alexandre Y. K. ; Gil de Paz, Armando ; Knapen, Johan H. ; Gorgas García, Francisco Javier | IOP publishing ltd | 2020-07Tight correlations between supermassive black hole (SMBH) mass (M_(BH)) and the properties of the host galaxy have useful implications for our understanding of the growth of SMBHs and evolution of galaxies. Here, we present newly observed correl[...]texto impreso
Eliche Moral, María del Carmen ; Prieto, M. ; Barro, Guillermo ; Balcells, M. ; Gallego Maestro, Jesús ; Pérez González, Pablo Guillermo ; Zamorano Calvo, Jaime ; Cardiel López, Nicolás ; Gil de Paz, Armando ; Guzmán, R. ; Pelló, R. ; Villar, V. | SPRINGER-VERLAG BERLIN | 2010Considering that the recent history of E-S0’s can be approximated by Pure Luminosity Evolution (PLE), we have examined a set of PLE models in order to de-limit the epoch in which the majority of the red galaxy population moved away this simple [...]texto impreso
Spitzer data at 24, 70, and 160 ?m and ground-based H? images are analyzed for a sample of 189 nearby star-forming and starburst galaxies to investigate whether reliable star formation rate (SFR) indicators can be defined using the monochromatic[...]texto impreso
Sánchez, Sebastián F. ; Sánchez Menguiano, Laura ; Marino, Raffaella Anna ; Rosales Ortega, F. F. ; Pérez, Isabel ; Gil de Paz, Armando ; Pérez, Enrique ; Walcher, C. Jakob ; López Cobá, Carlos | MDPI AG | 2015-12We present here a review of the latest results on the spatially-resolved analysis of the stellar populations and ionized gas of disk-dominated galaxies based on Calar Alto Legacy Integral Field Area (CALIFA) data. CALIFA is an ongoing integral f[...]texto impreso
We present deep optical long-slit spectra of the peculiar protoplanetary nebula (PPN) OH 231.8+4.2 obtained with the 6.5 m Baade Telescope at Las Campanas Observatory (Chile). In addition to the molecular absorption bands characteristic of the M[...]texto impreso
We extend our initial study of the connection between the UV colour of galaxies and both the inferred stellar mass-to-light ratio, Upsilon(*), and a mass-to-light ratio referenced to Salpeter initial mass function (IMF) models of the same age an[...]texto impreso
Madore, Barry F. ; Gil de Paz, Armando ; Pevunova, Olga ; Thompson, Ian | IOP publishing ltd | 2007-07The object NGC 6908 was once thought to simply be a surface brightness enhancement in the eastern spiral arm of the nearby spiral galaxy NGC 6907. Based on an examination of near-infrared imaging, the object is shown to in fact be a lenticular S[...]texto impreso
Boselli, A. ; Boissier, S. ; Cortese, L. ; Gil de Paz, Armando ; Seibert, M ; Madore, B. F. ; Buat, V. ; Martin, D. C. | American Astronomical Society | 2006-11-10We present a new method for studying the star formation history of late-type cluster galaxies undergoing gas starvation or a ram pressure stripping event by combining bidimensional multifrequency observations with multizone models of galactic ch[...]texto impreso
Paliya, Vaidehi S. ; Dominguez, A. ; Cabello, C. ; Cardiel López, Nicolás ; Gallego Maestro, Jesús ; Siana, Brian ; Ajello, M. ; Hartmann, D. ; Gil de Paz, Armando ; Stalin, C.S. | IOP Publishing | 2020-11One of the major challenges in studying the cosmic evolution of relativistic jets is the identification of the high-redshift (z > 3) BL Lacertae objects, a class of jetted active galactic nuclei characterized by their quasi-featureless optical [...]texto impreso
Bouquin, Alexandre Y. K. ; Gil de Paz, Armando ; Muñoz Mateos, Juan Carlos ; Boissier, Samuel ; Sheth, Kartik ; Zaritsky, Dennis ; Peletier, Reynier F. ; Knapen, Johan H. ; Gallego Maestro, Jesús | University Chicago Press | 2018-02We present new spatially resolved surface photometry in the far-ultraviolet (FUV) and near-ultraviolet (NUV) from images obtained by the Galaxy Evolution Explorer (GALEX) and IRAC1 (3.6 mu m) photometry from the Spitzer Survey of Stellar Structu[...]texto impreso
We present images, integrated photometry, and surface-brightness and color profiles for a total of 1034 nearby galaxies recently observed by the Galaxy Evolution Explorer (GALEX) satellite in its far-ultraviolet (FUV; ?_eff = 1516 Å) and near-ul[...]texto impreso
Bouquin, Alexandre Y. K. ; Gil de Paz, Armando ; Boissier, Samuel ; Muñoz Mateos, Juan Carlos ; Sheth, Kartik ; Zaritsky, Dennis ; Laine, Jarkko ; Gallego Maestro, Jesús ; Peletier, Reynier F. ; Roeck, Benjamin R. ; Knapen, Johan H. | IOP Publishing | 2015-02-10We obtained GALEX FUV, NUV, and Spitzer/ IRAC 3.6 ?m photometry for > 2000 galaxies, available for 90% of the S^(4)G sample. We find a very tight. GALEX blue sequence (GBS) in the (FUV- NUV) versus (NUV-[3.6]) color- color diagram, which is pop[...]texto impreso
We have analyzed the radial distribution of old stars in a sample of 218 nearby face-on disks, using deep 3.6 ?m images from the Spitzer Survey of Stellar Structure in Galaxies. In particular, we have studied the structural properties of those d[...]texto impreso
Bruzzese, S.M. ; Thilker, David A. ; Meurer, G.R. ; Bianchi, Luciana ; Watts, A.B. ; Ferguson, A.M.N. ; Gil de Paz, Armando ; Madore, B. ; Martin, D. Christopher ; Rich, R. Michael | Wiley | 2020-01Using Hubble Space Telescope ACS/WFC data we present the photometry and spatial distribution of resolved stellar populations of four fields within the extended ultraviolet disc (XUV disc) of M83. These observations showa clumpy distribution of m[...]texto impreso
We have measured the radial light profiles and global shapes of bars using two-dimensional 3.6 ?m image decompositions for 144 face-on barred galaxies from the Spitzer Survey of Stellar Structure in Galaxies. The bar surface brightness profile i[...]texto impreso
Marino, Raffaella Anna ; Gil de Paz, Armando ; Castillo Morales, África ; otros, ... | EDP Sciencies | 2013-11The use of integral field spectroscopy is since recently allowing to measure the emission line fluxes of an increasingly large number of star-forming galaxies, both locally and at high redshift. Many studies have used these fluxes to derive the [...]texto impreso
We use mid-infrared 3.6 and 4.5 ?m imaging of NGC 3906 from the Spitzer Survey of Stellar Structure in Galaxies (S^4G) to understand the nature of an unusual offset between its stellar bar and the photometric center of an otherwise regular, circ[...]texto impreso
The properties of the Malin 1 galaxy giant disk A panchromatic view from the NGVS and GUViCS surveys
Boissier, S. ; Boselli, A. ; Ferrarese, L. ; Côté, P- ; Roehlly, Y. ; Gwym, S.D.J. ; Guillandre, J.-C ; Roediger, J. ; Koda, J. ; Muños Mateos, J.C. ; Gil de Paz, Armando ; Madore, B.F. | EDP Sciencies | 2016-09Context. Low surface brightness galaxies (LSBGs) represent a significant percentage of local galaxies but their formation and evolution remain elusive. They may hold crucial information for our understanding of many key issues (i.e., census of b[...]texto impreso
We examine the effect of circumstellar dust extinction on the near-IR (NIR) contribution of asymptotic giant branch (AGB) stars in intermediate-age clusters throughout the disk of M100. For our sample of 17AGB-dominated clusters we extract optic[...]texto impreso
The survey description and the near-, mid-, and far-infrared flux properties are presented for the 258 galaxies in the Local Volume Legacy (LVL). LVL is a Spitzer Space Telescope legacy program that surveys the local universe out to 11 Mpc, buil[...]texto impreso
The mid-infrared is an optimal window to trace stellar mass in nearby galaxies and the 3.6 ?m IRAC band has been exploited to this effect, but such mass estimates can be biased by dust emission. We present our pipeline to reveal the old stellar [...]texto impreso
The Spitzer Survey of Stellar Structure in Galaxies (S^4G) is an Exploration Science Legacy Program approved for the Spitzer post-cryogenic mission. It is a volume-, magnitude-, and size-limited (d 30º, m_Bcorr 1’) survey of 2,331 galaxies u[...]texto impreso
The Spitzer Survey of Stellar Structure in Galaxies (S^4G) is a deep 3.6 and 4.5 ?m imaging survey of 2352 nearby (texto impreso
The Spitzer Survey of Stellar Structure in Galaxies is a volume, magnitude, and size-limited survey of 2352 nearby galaxies with deep imaging at 3.6 and 4.5 ?m. In this paper, we describe our surface photometry pipeline and showcase the associat[...]texto impreso
Pérez González, Pablo Guillermo ; Rieke, George H.;, George H. ; Villar, Víctor ; Barro, Guillermo ; Blaylock, Myra ; Egami, Eiichi ; Gallego Maestro, Jesús ; Gil de Paz, Armando ; Pascual, Sergio ; Zamorano Calvo, Jaime ; Donley, Jennifer L. | American Astronomical Society | 2008-03-01Using a sample of ~28,000 sources selected at 3.6-4.5 ?m with Spitzer observations of the Hubble Deep Field North, the Chandra Deep Field South, and the Lockman Hole (surveyed area ~664 arcmin^2), we study the evolution of the stellar mass conte[...]texto impreso
Gil de Paz, Armando ; Muñoz Mateos, Juan Carlos ; otros, ... | American Astronomical Society | 2011-03-01If thick disks are ubiquitous and a natural product of disk galaxy formation and/or evolution processes, all undisturbed galaxies that have evolved during a significant fraction of a Hubble time should have a thick disk. The late-type spiral gal[...]texto impreso
Koda, Jin ; Yagi, Masafumi ; Boissier, Samuel ; Gil de Paz, Armando ; Imanishi, Masatoshi ; Meyer, Jennifer Donovan ; Madore, Barry F. ; Thilker, David A. | American Astronomical Society | 2012-04-10We report deep Subaru H? observations of the extended ultraviolet (XUV) disk of M83. These new observations enable the first complete census of very young stellar clusters over the entire XUV disk. Combining Subaru and Galaxy Evolution Explorer [...]texto impreso
NGC 4013 is a nearby Sb edge-on galaxy known for its "prodigious" H I warp and its "giant" tidal stream. Previous work on this unusual object shows that it cannot be fitted satisfactorily by a canonical thin+thick disk structure. We have produce[...]texto impreso
Most, if not all, disk galaxies have a thin (classical) disk and a thick disk. In most models thick disks are thought to be a necessary consequence of the disk formation and/or evolution of the galaxy. We present the results of a study of the th[...]texto impreso
We present images of NGC 7331 obtained with GALEX and Spitzer, tracing UV and IR signatures of star formation. NGC 7331's morphology at 8-850 ?m is dominated by a central dust ring. This structure is a vigorous site of star formation (hosting on[...]texto impreso
New Galaxy Evolution Explorer (GALEX) observations have detected significant far-UV (FUV; 1530 Å) and near-UV (NUV; 2310 Å) emission from stellar substructures within the tidal tails of four ongoing galaxy mergers. The UV-bright regions are opti[...]texto impreso
The recent star formation (SF) in the early-type spiral galaxy M81 is characterized using imaging observations from the far-ultraviolet to the far-infrared. We compare these data with models of the stellar, gas, and dust emission for subgalactic[...]texto impreso
The mechanism causing breaks in the radial surface brightness distribution of spiral galaxies is not yet well known. Despite theoretical efforts, there is not a unique explanation for these features and the observational results are not conclusi[...]texto impreso
We have performed two-dimensional multicomponent decomposition of 144 local barred spiral galaxies using 3.6 ?m images from the Spitzer Survey of Stellar Structure in Galaxies. Our model fit includes up to four components (bulge, disk, bar, and [...]texto impreso
Cortese, L. ; Boselli, A. ; Buat, V. ; Gavazzi, G. ; Boissier, S. ; Gil de Paz, Armando ; Seibert, M. ; Madore, B. F. ; Martin, D. C. | American Astronomical Society | 2006-01-20We analyze the dust attenuation properties of a volume-limited, optically selected sample of normal star-forming galaxies in nearby clusters as observed by GALEX. The internal attenuation is estimated using three independent indicators, namely, [...]texto impreso
Lee, Janice C. ; Gil de Paz, Armando ; Tremonti, Christy ; Kennicutt, Robert | Astronomical Society of the Pacific | 2011A great deal of our understanding of star formation in the local universe has been built upon an extensive foundation of H? observational studies. However, recent work in the ultraviolet (UV) with GALEX has shown that star formation rates (SFRs)[...]texto impreso
Boselli, A. ; Cortese, L. ; Deharveng, J. M. ; Gavazzi, G. ; Yi, K. S. ; Gil de Paz, Armando ; Seibert, M. ; Boissier, S. ; Donas, J. ; Lee, Y. W. ; Madore, B. F. ; Martin, D. C. ; Rich, R. M. ; Sohn, Y. J. | American Astronomical Society | 2005-08-10We study the UV properties of a volume-limited sample of early-type galaxies in the Virgo Cluster combining new GALEX far-ultraviolet (1530 Å) and near-ultraviolet (2310 Å) data with spectrophotometric data available at other wavelengths. The sa[...]texto impreso
García Vargas, M. L. ; Pérez Calpena, A. ; Gallego Maestro, Jesús ; Gil de Paz, Armando ; Sánchez Blanco, E. ; Martínez Delgado, I. ; Maldonado Medina, M. ; Zamorano Calvo, Jaime | Spie-Int Soc Optical Engineering | 2012The goal of VIENTOS project is to analyze pupil innovative systems that could be used in the new generation of instruments for the large telescopes. This study tries to identify the current scientific needs, to understand why some of them have n[...]texto impreso
Stellar bars can lead to gas inflow toward the center of a galaxy and stimulate nuclear star formation. However, there is no compelling evidence on whether they also feed a central supermassive black hole: by measuring the fractions of barred ac[...]