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Pascual, S. ; Gallego Maestro, Jesús ; Aragón Salamanca, A. ; Zamorano Calvo, Jaime | EDP Sciencies | 2001-12We have carried out a survey searching for H? emitting galaxies at z ? 0.24 using a narrow band filter tuned with the redshifted line. The total sky area covered was 0.19 square degrees within the redshift range 0.228 to 0.255 in a set of four f[...]texto impreso
We have analysed Mg, H? and Fe line-strengths in a sample of elliptical, SO and brightest cluster galaxies. For 15 galaxies, our spectra extend to approximately the half-light radius(r_e), and we are able to measure radial line-strength gradient[...]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
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
Pascual Ramírez, Sergio ; Villar, V. ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Pelló, R. ; Díaz-Guerra Viejo, Carlos ; Aragón Salamanca, A. | Instituto de Astronomía de la UNAM | 2005We present a long-term project to study the characteristics and evolution of current star-forming galaxies at different redshifts. Our results support the idea that the higher Star Formation Density measured at redshift z=0.24 is due to an incre[...]texto 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
Cardiel López, Nicolás ; Gorgas García, Francisco Javier ; Aragón Salamanca, A. | Wiley | 1998-08-21We have obtained radial gradients in the spectral features of the lambda 4000-Angstrom break (D(4000)) and Mg(2) for a sample of 11 central cluster galaxies (CCGs): eight in clusters with cooling flows and three in clusters without. After carefu[...]texto impreso
Cardiel López, Nicolás ; Gorgas García, Francisco Javier ; Aragón Salamanca, A. | Wiley-Blackwell | 1995-11-15Spectroscopic observations of central dominant cluster galaxies, with and without cooling flows, are presented. Through the analysis of absorption spectral features, namely the strength of the magnesium absorption at 5175 Å and the 4000 Å break,[...]texto impreso
Cardiel López, Nicolás ; Gorgas García, Francisco Javier ; Aragón Salamanca, A. | Wiley | 1995-11-15Spectroscopic observations of central dominant cluster galaxies, with and without cooling flows, are presented. Through the analysis of absorption spectral features, namely the strength of the magnesium absorption at lambda 5175 Angstrom and the[...]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
García Bedregal, A. ; Cardiel López, Nicolás ; Aragón Salamanca, A. ; Merrifield, M. R. | Wiley | 2011-08We present absorption-line index gradients for a sample of S0 galaxies in the Fornax cluster. The sample has been selected to span a wide range in galaxy mass, and the deep FORS2 spectroscopy on the VLT allows us to explore the stellar populatio[...]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
Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Aragón Salamanca, A. ; Rego Fernández, Manuel | American Astronomical Society | 1995-12-10The Universidad Complutense de Madrid (UCM) survey is a long-term project aimed at finding and analyzing star-forming galaxies detected by their H? emission in Schmidt objective-prism plates. The instrumental setup limits the volume of the unive[...]texto impreso
Bedregal, A. G. ; Aragón Salamanca, A. ; Merrifield, M. R. ; Cardiel López, Nicolás | Wiley | 2008-06-21Using high signal-to-noise ratio VLT/FORS2 long-slit spectroscopy, we have studied the properties of the central stellar populations and dynamics of a sample of S0 galaxies in the Fornax cluster. The central absorption-line indices in these gala[...]
