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Salvador Solé, Eduard ; Manrique, Alberto ; Guzmán, Rafael ; Rodríguez Espinosa, José Miguel ; Gallego Maestro, Jesús ; Herrero, Artemio ; Mas-Hesse, J. Miguel ; Marín Franch, Antonio | American Astronomical Society | 2017-01-01We combine observational data on a dozen independent cosmic properties at high-z with the information on reionization drawn from the spectra of distant luminous sources and the cosmic microwave background (CMB) to constrain the interconnected ev[...]texto impreso
Prieto, Mercedes ; Eliche Moral, María del Carmen ; Balcells, Marc ; Cristobal Hornillos, David ; Erwin, Peter ; Abreu, David ; Domínguez Palmero, Lilian ; Hempel, Angela ; López Sanjuan, Carlos ; Guzmán, Rafael ; Pérez González, Pablo Guillermo ; Barro, Guillermo ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime | Wiley | 2013-01Some recent observations seem to disagree with hierarchical theories of galaxy formation about the role played by major mergers in the late buildup of massive E-S0s. We re-address this question by analysing the morphology, structural distortion [...]texto impreso
A las seis de la mañana, arrellanados en la dilijcncia, salimos de Quito, la sultana que perezosamente se aduerme acariciada por las auras del Pichincha. Atravesamos el pintoresco valle de Turubamba, cubierto de una alfombra de esmeralda, matiza[...]texto impreso
Cristobal Hornillos, David ; Balcells, Marc ; Prieto, Mercedes ; Guzmán, Rafael ; Gallego Maestro, Jesús ; Cardiel López, Nicolás ; Serrano, Ángel ; Pello, Roser | Univ. Chicago Press | 2003-09-20We have used William Herschel Telescope/INGRID K_(s) images on two high-latitude fields, the Coppi and Groth strips, to obtain galaxy number counts over ~ 180 arcmin^(2), to a depth of K_(s) ~ 21:0. Detection efficiency corrections as a functi[...]texto impreso
Cristobal Hornillos, David ; Balcells, Marc ; Prieto, Mercedes ; Guzmán, Rafael ; Gallego Maestro, Jesús ; Cardiel López, Nicolás ; Serrano, Ángel ; Pello, Roser | IOP Publishing | 2003-09-20We have used William Herschel Telescope/INGRID K_(s) images on two high-latitude fields, the Coppi and Groth strips, to obtain galaxy number counts over similar to 180 arcmin^(2), to a depth of K_(s) similar to 21.0. Detection efficiency correct[...]texto impreso
Gorgas García, Francisco Javier ; Pedraz, Santos ; Guzmán, Rafael ; Cardiel López, Nicolás ; González, J. J. | IOP Publishing | 1997-05-20We present new measurements of central line-strength indices (namely, Mg-2, (Fe), and H beta) and gradients for a sample of six bright spheroidal (Sph) galaxies in the Virgo Cluster. Comparison with similar measurements for elliptical (E) galaxi[...]texto impreso
Chanchaiworawitk, Krittapas ; Guzmán, Rafael ; Salvador-Solé, Eduard ; Rodríguez Espinosa, José Miguel ; Calvi, Rosa ; Manrique, Alberto ; Gallego Maestro, Jesús ; Herrero, Artemio ; Marín-Franch, Antonio ; Mas-Hesse, Miguel | American Astronomical Society | 2019-05-20We present evidence for the discovery of a protocluster of starburst galaxies (Ly? emitters, or LAEs) near the end of the epoch of reionization. The recent trend in the search for high-redshift protoclusters focuses on utilizing bias tracers, su[...]texto impreso
López Sanjuan, Carlos ; Balcells, Marc ; Enrique García-Dabo, César ; Prieto, Mercedes ; Cristobal Hornillos, David ; Eliche Moral, María del Carmen ; Abreu, David ; Erwin, Peter ; Guzmán, Rafael | American Astronomical Society | 2009-03-20We measure the fraction of galaxies undergoing disk-disk major mergers (?^mph_m) at intermediate redshifts ((0.35 ? ztexto impreso
Pisano, D. J. ; Kobulnicky, Henry A. ; Guzmán, Rafael ; Gallego Maestro, Jesús ; Bershady, Matthew A. | IOP publishing ltd | 2001-09We present Arecibo 21 cm spectroscopy, Keck HIRES H? spectroscopy, and WIYN R-band imaging of 11 nearby blue compact galaxies with effective B-band surface brightnesses of SBe = 19.4–21.2 mag arcsec^2 and effective radii of R_ eff = 0.6–1.9 kpc.[...]texto impreso
Martínez Manso, Jesús ; Guzmán, Rafael ; Barro, Guillermo ; Cenarro, Javier ; Pérez González, Pablo Guillermo ; Sánchez Blázquez, Patricia ; Trujillo, Ignacio ; Balcells, Marc ; Cardiel López, Nicolás ; Hempel, Angela ; Prieto, Mercedes | IOP Publishing | 2011-09-10We present Gran-Telescopio-Canarias/OSIRIS optical spectra of four of the most compact and massive early-type galaxies (ETGs) in the Groth Strip Survey at redshift z similar to 1, with effective radii R-e = 0.5-2.4 kpc and photometric stellarmas[...]
