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相关论文: Galaxy bimodality versus stellar mass and environm…

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The galaxy size-luminosity and size-stellar mass relations are important constraints on the galactic baryon cycle of gas accretion, star formation, and feedback. There are conflicting claims in the literature regarding how environment…

星系天体物理 · 物理学 2026-01-14 Li-Wen Liao , Andrew Cooper

We report evidence of galaxy assembly bias - the correlation between galaxy properties and biased secondary halo properties at fixed halo mass (M$_H$) - in the stellar-to-halo mass relation (SHMR) for red central galaxies from the Sloan…

星系天体物理 · 物理学 2024-10-04 Grecco A. Oyarzún , Jeremy L. Tinker , Kevin Bundy , Enia Xhakaj , J. Stuart B. Wyithe

We investigate the clustering of galaxy groups and clusters in the SDSS using the Berlind et al. (2006) group sample, which is designed to identify galaxy systems that each occupy a single dark matter halo. We estimate group masses from…

The distribution in color and absolute magnitude is presented for 55,158 galaxies taken from the Sloan Digital Sky Survey in the redshift range $0.08<z<0.12$, as a function of galaxy number overdensity in a line-of-sight cylinder of…

We formulate a model of the conditional colour-magnitude distribution (CCMD) to describe the distribution of galaxy luminosity and colour as a function of halo mass. It consists of two populations of different colour distributions, dubbed…

星系天体物理 · 物理学 2018-10-02 Haojie Xu , Zheng Zheng , Hong Guo , Ying Zu , Idit Zehavi , David H. Weinberg

The evolution of galaxies is known to be connected to their position within the large-scale structure and their local environmental density. We investigate the relative importance of these using the underlying dark matter density field…

星系天体物理 · 物理学 2026-02-11 Catherine Gallagher , Tariq Yasin , Richard Stiskalek , Harry Desmond , Matt J. Jarvis

We study the evolution of the red galaxy fraction (f_red) in 905 galaxy groups with 0.15 < z < 0.52. The galaxy groups are identified by the `probability Friends-of-Friends' algorithm from the first Red-Sequence Cluster Survey (RCS1)…

宇宙学与河外天体物理 · 物理学 2015-06-04 I. H. Li , H. K. C. Yee , B. C. Hsieh , M. Gladders

Connecting galaxies with their descendants (or progenitors) at different redshifts can yield strong constraints on galaxy evolution. Observational studies have historically selected samples of galaxies using a physical quantity, such as…

星系天体物理 · 物理学 2015-05-20 Carl J. Mundy , Christopher J. Conselice , Jamie R. Ownsworth

The Cosmic Evolution Survey (COSMOS) allows for the first time a highly significant census of environments and structures up to redshift one, as well as a full morphological description of the galaxy population. In this paper we present a…

In Montero-Dorta et al. 2017, we show that luminous red galaxies (LRGs) from the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) at $z\sim0.55$ can be divided into two groups based on their star formation histories. So-called…

宇宙学与河外天体物理 · 物理学 2018-05-10 A. Niemiec , E. Jullo , A. D. Montero-Dorta , F. Prada , S. Rodriguez-Torres , E. Perez , A. Klypin , T. Erben , M. Makler , B. Moraes , M. E. S. Pereira , H. Shan

We utilize color information for an HI-selected sample of 195 galaxies to explore the star formation histories and physical conditions that produce the observed colors. We show that the HI selection creates a significant offset towards…

宇宙学与河外天体物理 · 物理学 2010-11-02 Andrew A. West , Diego A. Garcia-Appadoo , Julianne J. Dalcanton , Mike J. Disney , Constance R. Rockosi , Zeljko Ivezic

We are able to extend the investigation of the color-morphology-density-radius relations, for bright and faint galaxies, to $R \gtrsim 3 \times R_{200}$ and to very low density regions, probing the transition region between cluster and…

宇宙学与河外天体物理 · 物理学 2013-12-04 P. A. A. Lopes , A. L. B. Ribeiro , S. B. Rembold

Imaging data from the Sloan Digital Sky Survey are used to characterize the population of galaxies in groups and clusters detected with the MaxBCG algorithm. We investigate the dependence of Brightest Cluster Galaxy (BCG) luminosity, and…

天体物理学 · 物理学 2009-07-22 Sarah M. Hansen , Erin S. Sheldon , Risa H. Wechsler , Benjamin P. Koester

To investigate the environment effects on size growth of galaxies, we study the size-mass relation across a broad range of environment with a vast sample of approximately 32 million galaxies at z < 0.5 from the DESI Legacy Imaging Surveys.…

星系天体物理 · 物理学 2023-12-29 Zhaobin Chen , Yizhou Gu , Hu Zou , Qirong Yuan

Deep images of 10 early-type galaxies in low-density environments have been obtained with the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope. The global properties of the globular cluster (GC) systems of the galaxies have…

宇宙学与河外天体物理 · 物理学 2015-06-04 J. Cho , R. M. Sharples , J. P. Blakeslee , S. E. Zepf , A. Kundu , H. -S. Kim , S. -J. Yoon

We use a sample of 800 galaxies with H I mass measurements from the HyperLeda catalogue and optical photometry from the fourth data release of the Sloan Digital Sky Survey to calibrate a new photometric estimator of the H I to-stellar mass…

星系天体物理 · 物理学 2015-05-13 Wei Zhang , Cheng Li , Guinevere Kauffmann , Hu Zou , Barbara Catinella , Shiyin Shen , Qi Guo , Ruixiang Chang

We study galactic star-formation activity as a function of environment and stellar mass over 0.5<z<2.0 using the FourStar Galaxy Evolution (ZFOURGE) survey. We estimate the galaxy environment using a Bayesian-motivated measure of the…

The distributions of galaxy properties vary with environment, and are often multimodal, suggesting that the galaxy population may be a combination of multiple components. The behaviour of these components versus environment holds details…

[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 investigate the relationship between colour and structure within galaxies using a large, volume-limited sample of bright, low-redshift galaxies with optical to near-infrared imaging from the GAMA survey. We fit single-component,…

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