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Autor Gil de Paz, Armando |
Documentos disponibles escritos por este autor (189)
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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We present B, R, and H? images for a total of 114 nearby galaxies (v_helio![]()
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We present the results from an analysis of surface photometry of B, R, and H? images of a total of 114 nearby galaxies (v_helio![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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 [...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]