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The XMM--LSS project is detecting distant clusters of low mass, quite comparable in mass to the ones in the local universe. This allows a direct comparison of galaxy properties at different redshifts in ``similar'' clusters. We present here…

Astrophysics · Physics 2009-11-10 S. Andreon , J. Willis , H. Quintana , I. Valtchanov , M. Pierre , F. Pacaud

Recent observations have gathered a considerable sample of high redshift galaxy candidates and determined the evolution of their luminosity function (LF). To interpret these findings, we use cosmological SPH simulations including, in…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 R. Salvaterra , A. Ferrara , P. Dayal

We present the X-ray Luminosity Function (XLF) of the ROSAT Deep Cluster Survey (RDCS) sample over the redshift range 0.05-0.8. Our results are derived from a complete flux-limited subsample of 70 galaxy clusters, representing the brightest…

Astrophysics · Physics 2009-10-30 P. Rosati , R. Della Ceca , C. Norman , R. Giacconi

We measure the evolution of galaxy clustering out to a redshift of z~1.5 using data from two MUSYC fields, the Extended Hubble Deep Field South (EHDF-S) and the Extended Chandra Deep Field South (ECDF-S). We use photometric redshift…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Nelson Padilla , Daniel Christlein , Eric Gawiser , Roberto González , Lucia Guaita , Leopoldo Infante

We reduce and analyse the available James Webb Space Telescope (JWST) ERO and ERS NIRCam imaging (SMACS0723, GLASS, CEERS) in combination with the latest deep ground-based near-infrared imaging in the COSMOS field (provided by UltraVISTA…

We perform an analysis of the luminosity functions (LFs) of two types of ringed galaxies -- polar-ring galaxies and collisional ring galaxies -- using data from the Sloan Digital Sky Survey (SDSS). Both classes of galaxies were formed as a…

Astrophysics of Galaxies · Physics 2022-09-21 Daniil V. Smirnov , Vladimir P. Reshetnikov

(abridged) We present an investigation of the clustering of i'AB<24.5 galaxies in the redshift interval 0.2<z<1.2. Using 100,000 precise photometric redshifts in the four ultra-deep fields of the Canada-France Legacy Survey, we construct a…

Astrophysics · Physics 2009-11-13 H. J. McCracken , O. Ilbert , Y. Mellier , E. Bertin , L. Guzzo , S. Arnouts , O. Le Fèvre , G. Zamorani

Clusters of galaxies at z>1 are expected to be increasingly active sites of star formation. To test this, an 850um survey was undertaken of eight high-redshift clusters at z=1.6-2.0 using SCUBA-2 on the James Clerk Maxwell Telescope.…

Astrophysics of Galaxies · Physics 2024-03-05 Ian Smail

Using three newly identified galaxy clusters at z~1 (photometric redshift) we measure the evolution of the galaxies within clusters from high redshift to the present day by studying the growth of the red cluster sequence. The clusters are…

Astrophysics · Physics 2009-11-13 J. E. Krick , J. A. Surace , D. Thompson , M. L. N. Ashby , J. L. Hora , V. Gorjian , L. Yan

We have measured the clustering of z<0.9 red galaxies and constrained models of the evolution of large-scale structure using the initial 1.2 sq. degree data release of the NOAO Deep Wide-Field Survey (NDWFS). The area and BwRI passbands of…

We present measurements of the luminosity and color-dependence of galaxy clustering at 0.2<z<1.0 in the PRIsm MUlti-object Survey (PRIMUS). We quantify the clustering with the redshift-space and projected two-point correlation functions,…

For faint photometric surveys our ability to quantify the clustering of galaxies has depended on interpreting the angular correlation function as a function of the limiting magnitude of the data. Due to the broad redshift distribution of…

Astrophysics · Physics 2009-10-30 A. J. Connolly , A. S. Szalay , R. J. Brunner

We use a sample of 37 of the densest clusters and protoclusters across $1.3 \le z \le 3.2$ from the Clusters Around Radio-Loud AGN (CARLA) survey to study the formation of massive cluster galaxies. We use optical $i'$-band and infrared…

[Abridged] We use the deepest existing mid- and far-infrared observations (reaching ~3 mJy at 70 um) obtained with Spitzer in the GOODS and FIDEL fields to derive the evolution of the rest-frame 15 um, 35 um, and total infrared luminosity…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 B. Magnelli , D. Elbaz , R. R Chary , M. Dickinson , D. Le Borgne , D. T. Frayer , C. N. A. Willmer

We have measured the luminous AGN population in a large sample of clusters of galaxies and find evidence for a substantial increase in the cluster AGN population from z~0.05 to z~1.3. The present sample now includes 32 clusters of galaxies,…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-24 Paul Martini , Gregory R. Sivakoff , John S. Mulchaey

The current formation models for cluster elliptical galaxies which incorporate a mechanism for the metallicity enhancement of massive ellipticals predict a change in the observed slope of the red sequence of ellipticals as a function of…

Astrophysics · Physics 2009-10-30 M. D. Gladders , O. Lopez-Cruz , H. K. C. Yee , T. Kodama

(Abridged) We analyze photometry and spectroscopy of a sample of 63 clusters at 0.3<z<0.9 drawn from the Las Campanas Distant Cluster Survey to empirically constrain models of cluster galaxy evolution. Specifically, by combining data on our…

Astrophysics · Physics 2009-11-07 Amy E. Nelson , Anthony H. Gonzalez , Dennis Zaritsky , Julianne J. Dalcanton

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 study the evolution of two fundamental properties of galaxy clusters: the luminosity function (LF) and the scaling relations between the total galaxy number N (or luminosity) and cluster mass M. Using a sample of 27 clusters (0<z<0.9)…

Astrophysics · Physics 2010-11-11 Yen-Ting Lin , Joseph J. Mohr , Anthony H. Gonzalez , S. Adam Stanford

We present a new determination of the evolving far-infrared galaxy luminosity function (FIR LF) and the resulting inferred evolution of dust-obscured star-formation rate density (SFRD) out to redshift z~6. To establish the evolving…

Astrophysics of Galaxies · Physics 2026-03-03 M. P. Koprowski , J. V. Wijesekera , J. S. Dunlop , K. Lisiecki , D. J. McLeod , R. J. McLure , M. J. Michałowski , M. Solar