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A comparison between published field galaxy stellar mass functions (GSMFs) shows that the cosmic stellar mass density is in the range 4--8 per cent of the baryon density (assuming Omega_b = 0.045). There remain significant sources of…

Astrophysics · Physics 2009-11-13 I. K. Baldry , K. Glazebrook , S. P. Driver

[Abridged] We present the evolution of the stellar mass function (SMF) of galaxies from z=4.0 to z=1.3 measured from a sample constructed from the deep NIR MUSYC, the FIRES, and the GOODS-CDFS surveys, all having very high-quality optical…

We study the observational constraints on the cosmic evolution of the relationships between the massive black hole (MBH) mass (M_bh) and the stellar mass (M^*_sph; or velocity dispersion \sigma) of the host galaxy/spheroid. Assuming that…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Xiaoxia Zhang , Youjun Lu , Qingjuan Yu

For a mass-selected sample of 66544 galaxies with photometric redshifts from the Cosmic Evolution Survey (COSMOS), we examine the evolution of star formation activity as a function of stellar mass in galaxies. We estimate the cosmic star…

We present measurements of the stellar mass functions (SMFs) of star-forming and quiescent galaxies to z = 4 using a sample of 95 675 galaxies in the COSMOS/UltraVISTA field. Sources have been selected from the DR1 UltraVISTA K_{s}-band…

We present a new analysis of stellar mass functions (MF) in the COSMOS field to fainter limits than has been previously probed to z~1. Neither the total nor the passive or star-forming MF can be well fit with a single Schechter function…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 N. Drory , K. Bundy , A. Leauthaud , N. Scoville , P. Capak , O. Ilbert , J. S. Kartaltepe , J. P. Kneib , H. J. McCracken , M. Salvato , D. B. Sanders , D. Thompson , C. J. Willott

We investigate the evolution of star formation rates (SFRs), stellar masses, and M/L$_{3.4 \mu m}$ ratios of brightest cluster galaxies (BCGs) in the COSMOS survey since z ~ 1 to determine the contribution of star formation to the…

Astrophysics of Galaxies · Physics 2018-05-10 Kevin C. Cooke , Kevin Fogarty , Jeyhan S. Kartaltepe , John Moustakas , Christopher P. O'Dea , Marc Postman

We explore a large uniformly selected sample of H${\alpha}$ selected star-forming galaxies (SFGs) at z=0.40,0.84,1.47,2.23 to unveil the evolution of the star formation rate (SFR) function and the stellar mass function. We find strong…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 David Sobral , Philip N. Best , Ian Smail , Bahram Mobasher , John Stott , David Nisbet

We investigate the stellar mass and baryonic mass Tully-Fisher relations (TFRs) of massive star-forming disk galaxies at redshift z~2.3 and z~0.9 as part of the KMOS^3D integral field spectroscopy survey. Our spatially resolved data allow…

We study the connection between the observed star formation rate-stellar mass (SFR-$M_*$) relation and the evolution of the stellar mass function (SMF) by means of a subhalo abundance matching technique coupled to merger trees extracted…

Astrophysics of Galaxies · Physics 2017-11-15 E. Contini , X. Kang , A. D. Romeo , Q. Xia , S. K. Yi

We present a formalism to infer the presence of merging by comparing the time derivative of the observed galaxy stellar mass function (MF) to the change of the MF expected from the star formation rate (SFR) in galaxies as a function of mass…

Astrophysics · Physics 2009-11-13 Niv Drory , Marcelo Alvarez

We study the distribution and evolution of the stellar mass and the star formation rate (SFR) of the brightest group galaxies (BGGs) over $ 0.04<z<1.3 $ using a large sample of $ 407 $ X-ray galaxy groups selected from the COSMOS, AEGIS,…

We estimate the baryonic (stellar+cold gas) mass function of galaxies in the local Universe by assigning a complete sample of Two Micron All Sky Survey and Sloan Digital Sky Survey galaxies a gas fraction based on a statistical sample of…

Astrophysics · Physics 2009-11-07 Eric F. Bell , Daniel H. McIntosh , Neal Katz , Martin D. Weinberg

We study the evolution in the number density of the highest mass galaxies over $0.4<z<1.5$ (covering 9 Gyr). We use the Spitzer/HETDEX Exploratory Large-Area (SHELA) Survey, which covers 17.5 $\mathrm{deg}^2$ with eight photometric bands…

The baryonic fraction of galaxies is observed to vary with the mass of its dark matter (DM) halo. Low-mass galaxies have low baryonic fractions which increase to a maximum for masses near $10^{12}\ M_{\odot}$, and decreases thereafter with…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-20 Ian A. Bonnell

We present a galaxy formation model to understand the evolution of stellar mass (M*) - UV luminosity relations, stellar mass functions and specific star formation rate (sSFR) of Lyman Break Galaxies (LBGs) along with their UV luminosity…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Charles Jose , Raghunathan Srianand , Kandaswamy Subramanian

We use hydrodynamic simulations to examine how the baryonic components of galaxies are assembled, focusing on the relative importance of mergers and smooth accretion in the formation of ~L_* systems. In our primary simulation, which models…

Astrophysics · Physics 2009-11-06 Chigurupati Murali , Neal Katz , Lars Hernquist , David H. Weinberg , Romeel Dave
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