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Related papers: The evolving relations between size, mass, surface…

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We investigate mass-dependent galaxy evolution based on a large sample of (more than 50,000) K-band selected galaxies in a multi-wavelength catalog of the Subaru/XMM-Newton Deep Survey (SXDS) and the UKIRT Infrared Deep Sky Survey…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Junko Furusawa , Kazuhiro Sekiguchi , Tadafumi Takata , Hisanori Furusawa , Kazuhiro Shimasaku , Chris Simpson , Masayuki Akiyama

Exploiting the deep high-resolution imaging of all 5 CANDELS fields, and accurate redshift information provided by 3D-HST, we investigate the relation between structure and stellar populations for a mass-selected sample of 6764 galaxies…

We investigate the change in mean stellar population age and metallicity ([Z/H]) scaling relations for quiescent galaxies from intermediate redshift ($0.60\leq z\leq0.76$) using the LEGA-C Survey, to low redshift ($0.014\leq z\leq0.10$)…

The history of galaxy formation via star formation and stellar mass assembly rates is now known with some certainty, yet the connection between high redshift and low redshift galaxy populations is not yet clear. By identifying and studying…

Astrophysics · Physics 2017-03-29 Christopher J. Conselice

We study how half-mass radii, central mass densities ($\Sigma_1$), and color gradients change as galaxies evolve. We separate $\sim7,000$ galaxies into sixteen groups with similar spectral shapes; each group represents a different…

Astrophysics of Galaxies · Physics 2021-07-12 Katherine A. Suess , Mariska Kriek , Sedona H. Price , Guillermo Barro

We study the environmental effect of galaxy evolution as a function of the underlying 3D dark matter density for the first time at $z=2-2.5$, in which the underlying matter density is reconstructed from observed galaxies through dynamical…

Astrophysics of Galaxies · Physics 2024-07-23 Rieko Momose , Khee-Gan Lee , Benjamin Horowitz , Metin Ata , Jeyhan S. Kartaltepe

Using the first 50% of data collected for the Spitzer Large Area Survey with Hyper-Suprime-Cam (SPLASH) observations on the 1.8 deg$^2$ Cosmological Evolution Survey (COSMOS) we estimate the masses and star formation rates of 3398…

How the quiescent galaxies evolve with redshift and the factors that impact their evolution are still debated. It is still unclear what the dominant mechanisms of passive galaxy growth are and what role is played by the environment in…

Astrophysics of Galaxies · Physics 2024-04-23 M. Figueira , M. Siudek , A. Pollo , J. Krywult , D. Vergani , M. Bolzonella , O. Cucciati , A. Iovino

Using the IllustrisTNG cosmological galaxy formation simulations, we analyze the physical properties of young quiescent galaxies at z=2 with stellar masses above 10^10.5 solar masses. This key population provides an unaltered probe into the…

Astrophysics of Galaxies · Physics 2021-10-07 Debosmita Pathak , Sirio Belli , Rainer Weinberger

Massive quiescent galaxies at z>1 have been found to have small physical sizes, hence to be superdense. Several mechanisms, including minor mergers, have been proposed for increasing galaxy sizes from high- to low-z. We search for…

We present the evolution of galaxy sizes, from redshift 2 to 0, for actively star forming and passive galaxies in the cosmological hydrodynamical 1003 cMpc3 simulation of the EAGLE project. We find that the sizes increase with stellar mass…

Astrophysics of Galaxies · Physics 2016-12-21 M. Furlong , R. G. Bower , R. A. Crain , J. Schaye , T. Theuns , J. W. Trayford , Y. Qu , M. Schaller , M. Berthet , J. C. Helly

Once understood as the paradigm of passively evolving objects, the discovery that massive galaxies experienced an enormous structural evolution in the last ten billion years has opened an active line of research. The most significant…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Ignacio Trujillo

We analyze the stellar populations of a sample of 62 massive (log Mstar/Msun > 10.7) galaxies in the redshift range 1 < z < 1.6, with the main goal of investigating the role of recent quenching in the size growth of quiescent galaxies. We…

Astrophysics of Galaxies · Physics 2015-06-23 Sirio Belli , Andrew B. Newman , Richard S. Ellis

We aim to measure the average dust and molecular gas content of massive star-forming galaxies ($\rm > 3 \times 10^{10}\,M_\odot$) up to z=4 in the COSMOS field to determine if the intense star formation observed at high redshift is induced…

We report on the evolution of the number density and size of early-type galaxies from z~2 to z~0. We select a sample of 563 massive (M>10^{10} Msun), passively evolving (SSFR<10^{-2} Gyr^{-1}) and morphologically spheroidal galaxies at…

We present a comprehensive study of the relationship between star formation rate (SFR) and stellar mass (M_*) from z = 0.1 to z = 4 using a mass-complete sample of approximately 290,000 galaxies from the COSMOS2020 catalog. We find that the…

Astrophysics of Galaxies · Physics 2026-04-23 Kaimin He , Ke Shi , Jun Toshikawa , Xianzhong Zheng , Xiaopeng You

We present a universal linear correlation between the stellar mass and surface brightness (SB) of galaxies at 0.3<z<3, using a deep K-band selected catalog in the GOODS-North region. The correlation has a nearly constant slope, independent…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Takashi Ichikawa , Masaru Kajisawa , Toru Yamada , Masayuki Akiyama , Tomohiro Yoshikawa , Masato Onodera , Masahiro Konishi

Star-forming galaxies constitute the majority of galaxies with stellar masses >10^10 M_Sun/h^2 at z~2 and dominate the star-formation rate density of the Universe at this early epoch. It is thus critical to understand their origins,…

We study the formation and evolution of Brightest Cluster Galaxies starting from a $z=2$ population of quiescent ellipticals and following them to $z=0$. To this end, we use a suite of nine high-resolution dark matter-only simulations of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Chervin F. P. Laporte , Simon D. M. White , Thorsten Naab , Liang Gao