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We present results from a systematic study of star formation in local galaxy clusters using 22 micron data from the Wide-field Infrared Survey Explorer (WISE). The 69 systems in our sample are drawn from the Cluster Infall Regions Survey…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Sun Mi Chung , Peter R. Eisenhardt , Anthony H. Gonzalez , Spencer A. Stanford , Mark Brodwin , Daniel Stern , Thomas Jarrett

We investigate the stellar populations for a sample of 161 massive, mainly quiescent galaxies at $\langle z_{\rm obs} \rangle=0.8$ with deep Keck/DEIMOS rest-frame optical spectroscopy (HALO7D survey). With the fully Bayesian framework…

We use dense redshift surveys of nine galaxy clusters at $z\sim0.2$ to compare the galaxy distribution in each system with the projected matter distribution from weak lensing. By combining 2087 new MMT/Hectospec redshifts and the data in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Ho Seong Hwang , Margaret J. Geller , Antonaldo Diaferio , Kenneth J. Rines , H. Jabran Zahid

We have carried out a joint photometric and structural analysis of red sequence galaxies in four clusters at a mean redshift of z ~ 1.25 using optical and near-IR HST imaging reaching to at least 3 magnitudes fainter than $M^*$. As…

Astrophysics of Galaxies · Physics 2015-05-07 R. De Propris , M. N. Bremer , S. Phillipps

Using deep infrared observations conducted with the MOIRCS on the Subaru Telescope in GOODS-N combined with public surveys in GOODS-S, we investigate the dependence on stellar mass, M_*, and galaxy type of the close pair fraction (5 kpc < r…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-15 Kevin Bundy , Masataka Fukugita , Richard S. Ellis , Thomas A. Targett , Sirio Belli , Tadayuki Kodama

Projected axis ratio measurements of 880 early-type galaxies at redshifts 1<z<2.5 selected from CANDELS are used to reconstruct and model their intrinsic shapes. The sample is selected on the basis of multiple rest-frame colors to reflect…

We examine the redshift evolution of density environments around 2,163 radio galaxies with the stellar masses of $\sim10^{9}-10^{12} M_\odot$ between redshifts of $z=0.3-1.4$, based on the Hyper Suprime-Cam Subaru Strategic Program…

We present ALMA Band 6 (nu=233GHz, lambda=1.3mm) continuum observations towards 68 'normal' star-forming galaxies within two Coma-like progenitor structures at z=2.10 and 2.47, from which ISM masses are derived, providing the largest census…

We report the discovery of a quiescent galaxy at $z=2.34$ with a stellar mass of only $M_\star = 9.5^{+1.8}_{-1.2} \times 10^{8} \mathrm{M}_\odot$, based on deep JWST/NIRSpec spectroscopy. This is the least massive quiescent galaxy found so…

We have identified six early-type galaxies at z>2.8 in the central 5.76 arcmin^2 Hubble Ultra Deep Field NICMOS region based on a pronounced broad-band discontinuity between the NICMOS F110W and F160W bandpasses. These galaxies have red…

Astrophysics · Physics 2009-11-10 Hsiao-Wen Chen , Ron Marzke

The James Webb Space Telescope has found an unexpected population of high-mass galaxies ($\log (M^\star / {\rm M} _\odot) \gtrsim 10$) with extremely small effective radii ($\sim 100\,\rm pc$) at $z \gtrsim 6$. Also, the existence of an…

Astrophysics of Galaxies · Physics 2026-02-27 P. Cataldi , S. Pedrosa , L. J. Pellizza , D. Ceverino , L. A. Bignone

We present structural measurements of 145 spectroscopically selected intermediate-redshift (z$\sim$0.7), massive ($M_\star \sim 10^{11} \ M_\odot$) post-starburst galaxies from the SQuIGG$\vec{L}$E Sample measured using wide-depth Hyper…

We present results from modeling the optical spectra of a large sample of quiescent galaxies between 0.1 < z < 0.7 from the Sloan Digital Sky Survey (SDSS) and the AGN and Galaxy Evolution Survey (AGES). We examine how the stellar ages and…

We study the radial number density and stellar mass density distributions of satellite galaxies in a sample of 60 massive clusters at 0.04<z<0.26 selected from the Multi-Epoch Nearby Cluster Survey (MENeaCS) and the Canadian Cluster…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-29 Remco F. J. van der Burg , Henk Hoekstra , Adam Muzzin , Cristóbal Sifón , Michael L. Balogh , Sean L. McGee

Context. This is the third paper of a series devoted to the WIde-field Nearby Galaxy-cluster Survey (WINGS).WINGS is a long term project aimed at gathering wide-field, multiband imaging and spectroscopy of galaxies in a complete sample of…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-11 T. Valentinuzzi , D. Woods , G. Fasano , M. Riello , M. D'Onofrio , J. Varela , D. Bettoni , A. Cava , W. J. Couch , A. Dressler , J. Fritz , M. Moles , A. Omizzolo , B. M. Poggianti , P. Kjaergaard

Recent reports suggest that elliptical galaxies have increased their size dramatically over the last ~8 Gyr. This result points to a major re-think of the processes dominating the latetime evolution of galaxies. In this paper we present the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 J. P. Stott , C. A. Collins , C. Burke , V. Hamilton-Morris , G. P. Smith

We use data taken as part of HST/WFC3 observations of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) to identify massive and evolved galaxies at 3<z<4.5. This is performed using the strength of the Balmer break…

We present the clump populations detected in 18 lensed galaxies at redshifts 1 to 8.5 within the lensing cluster field SMACS0723. The recent JWST Early Release Observations of this poorly known region of the sky have revealed numerous…

We measure the evolution in the intrinsic shape distribution of early-type galaxies from z~1 to z~0 by analyzing their projected axis-ratio distributions. We extract a low-redshift sample (0.04 < z < 0.08) of early-type galaxies with very…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Bradford Holden , Arjen van der Wel , Hans-Walter Rix , Marijn Franx

Galaxy evolution can be studied observationally by linking progenitor and descendant galaxies through an evolving cumulative number density selection. This procedure can reproduce the expected evolution of the median stellar mass from…

Astrophysics of Galaxies · Physics 2017-05-31 Bart Clauwens , Allison Hill , Marijn Franx , Joop Schaye
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