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A study of the luminosity function of 36 Abell clusters of galaxies has been carried out using photographic plates obtained with the Palomar 1.2 m Schmidt telescope. The relation between the magnitude M_1 of the brightest cluster member and…

Astrophysics · Physics 2007-05-23 D. Trevese , G. Cirimele , B. Appodia

The UV (2000 A) luminosity function (hereafter UV LF) of Coma cluster galaxies, based on more than 120 members, is computed as the statistical difference between counts in the Coma direction and in the field. Our UV LF is an up-date of a…

Astrophysics · Physics 2007-05-23 S. Andreon

The dependence of the luminosity function of cluster galaxies on the evolutionary state of the parent cluster is still an open issue, in particular as concern the formation/evolution of the brightest cluster galaxies. We plan to study the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 R. Barrena , M. Girardi , W. Boschin , F. Mardirossian

Using the semi-analytic models based on the Millennium simulation, we trace back the evolution of the luminosity function of galaxies residing in progenitors of groups classified by the magnitude gap at redshift zero. We determine the…

Astrophysics of Galaxies · Physics 2014-11-11 G. Gozaliasl , H. G. Khosroshahi , A. A. Dariush , A. Finoguenov , D. M. Z. Jassur , A. Molaeinajad

We derive the Ultra-Violet (UV) luminosity function (LF) of star-forming galaxies in the redshift range $z = 0.6 - 1.2$, in the rest-frame far-UV ($1500$ \r{A}) wavelength. For this work, we are in particular interested in the bright end of…

Astrophysics of Galaxies · Physics 2024-05-16 M. Sharma , M. J. Page , I. Ferreras , A. A. Breeveld

We present deep two-colour photometry of two rich clusters at z=0.18, A665 and A1689. We use these data to construct number counts as a function of magnitude in the two fields. By combining these counts with similar observations from a…

Astrophysics · Physics 2015-06-24 Gillian Wilson , Ian Smail , Richard S. Ellis , Warrick J. Couch

We investigate the dependence of the galaxy infrared luminosity function (LF) and the associated stellar mass function (SMF) on environment and spectral type using photometry from the Two Micron All Sky Survey and redshifts from the Las…

Astrophysics · Physics 2009-11-06 Michael Balogh , Daniel Christlein , Ann Zabludoff , Dennis Zaritsky

Through use of multiband (U, B, R, I) photometry we have isolated high redshift (3.0<z<3.5) galaxy candidates in a survey of 1.27 deg^2 to R = 21.25 and a survey of 0.02 deg^2 to R = 23.5. Our pool of candidates constrains the nature of the…

This paper studies the connection between the relativistic number density of galaxies down the past light cone in a Friedmann-Lemaitre-Robertson-Walker spacetime with non-vanishing cosmological constant and the galaxy luminosity function…

Cosmology and Nongalactic Astrophysics · Physics 2012-03-05 Alvaro S. Iribarrem , Amanda R. Lopes , Marcelo B. Ribeiro , William R. Stoeger

We present the composite luminosity function (hereafter LF) of galaxies for 81 Abell clusters studied in our survey of the Northern Hemisphere, using DPOSS data processed by the CRoNaRio collaboration. The derived LF is very accurate due to…

Astrophysics · Physics 2007-05-23 S. Piranomonte , M. Paolillo , S. Andreon , G. Longo , E. Puddu , R. Scaramella , R. Gal , S. G. Djorgovski

Using galaxy groups identified in the Fourth Data Release of the Sloan Digital Sky Survey (SDSS), we compute the luminosity function for several subsamples of galaxies in groups. In all cases, the luminosity functions are well described by…

Astrophysics · Physics 2008-11-26 Ariel Zandivarez , Hector J. Martinez , Manuel E. Merchan

We present a combined study of the colour-magnitude relation, colour distribution and luminosity function of a sample of 24 clusters at redshifts 0.3<z<1. The sample is largely composed of X-ray selected/detected clusters. Most of the…

Astrophysics · Physics 2014-10-13 S. Andreon , J. Willis , H. Quintana , I. Valtchanov , M. Pierre , F. Pacaud

We present an estimate of the cosmological evolution of the field galaxy luminosity function (LF) in the rest frame 4400 Angstrom B -band up to redshift z=3.5. To this purpose, we use a composite sample of 1541 I--selected galaxies selected…

We study the populations of stellar clumps in three high-redshift galaxies, at z=4.92, 4.88 and 4.03, gravitationally lensed by the foreground galaxy clusters MS1358, RCS0224 and MACS0940, respectively. The lensed galaxies consist of…

Astrophysics of Galaxies · Physics 2024-02-26 Matteo Messa , Miroslava Dessauges-Zavadsky , Angela Adamo , Johan Richard , Adélaïde Claeyssens

Characterizing the evolution of the faint end of the cluster red sequence (RS) galaxy luminosity function (GLF) with redshift is a milestone in understanding galaxy evolution. However, the community is still divided in that respect,…

Astrophysics of Galaxies · Physics 2017-08-16 Nicolas Martinet , Florence Durret , Christophe Adami , Gregory Rudnick

We present a photometric study of the early-type dwarf galaxy population of the Centaurus cluster, aiming at investigating the galaxy luminosity function (LF) and galaxy scaling relations down to the regime of galaxies with M_V~-10 mag. On…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 I. Misgeld , M. Hilker , S. Mieske

[ABRIDGED] We present the first statistical analysis of the complete ESO-Sculptor redshift survey (ESS). The flux-calibrated sample of 617 galaxy spectra with R_c<20.5 is separated into 3 spectral classes (early, intermediate, and late). We…

Astrophysics · Physics 2008-11-26 Valerie de Lapparent , Gaspar Galaz , Sandro Bardelli , Stephane Arnouts

From as early as the 1930s, astronomers have tried to quantify the statistical nature of the evolution and large-scale structure of galaxies by studying their luminosity distribution as a function of redshift - known as the galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2011-10-04 Russell Johnston

We present a detailed empirical assessment of how the galaxy luminosity function and stellar luminosity density evolves over the last half of the universe's age (0.2<z<1.2) for galaxies of different spectral energy distributions (SED). The…

Astrophysics · Physics 2009-11-07 C. Wolf , K. Meisenheimer , H. -W. Rix , A. Borch , S. Dye , M. Kleinheinrich