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Recent studies suggest that the quenching properties of galaxies are correlated over several mega-parsecs. The large-scale "galactic conformity" phenomenon around central galaxies has been regarded as a potential signature of "galaxy…

Astrophysics of Galaxies · Physics 2018-02-21 Ying Zu , Rachel Mandelbaum

While the star formation rates and morphologies of galaxies have long been known to correlate with their local environment, the process by which these correlations are generated is not well understood. Galaxy groups are thought to play an…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Matthew R. George , Chung-Pei Ma , Kevin Bundy , Alexie Leauthaud , Jeremy Tinker , Risa H. Wechsler , Alexis Finoguenov , Benedetta Vulcani

We have examined the correlations between the large-scale environment of galaxies and their physical properties, using a sample of 28,354 nearby galaxies drawn from the Sloan Digital Sky Survey, and the large-scale tidal field reconstructed…

Astrophysics · Physics 2008-03-13 Jounghun Lee , Cheng Li

Most dynamical models of galaxies to date assume axisymmetry, which is not representative of a significant fraction of massive galaxies. We have built triaxial orbit-superposition Schwarzschild models of galaxies observed by the SAMI Galaxy…

Galaxy properties primarily depend on their host halo mass. Halo mass, in turn, depends on the cosmic web environment. We explore if the effect of the cosmic web on galaxy properties is entirely transitive via host halo mass, or if the…

Astrophysics of Galaxies · Physics 2024-09-25 Kuan Wang , Camille Avestruz , Hong Guo , Wei Wang , Peng Wang

We have used a sample of 15749 galaxies taken from the Las Campanas Redshift Survey to investigate the effects of environment on the rate of star formation (SFR) in galaxies. The size and homogeneity of this data set allows us to sample,…

Astrophysics · Physics 2009-10-30 Yasuhiro Hashimoto , Augustus Oemler , Huan Lin , Douglas L. Tucker

We present a comprehensive study of the galaxy size-stellar mass relation (SMR) at low redshift (z <= 0.125), using a large spectroscopic sample from the SDSS-DR13 survey. Our goal is to investigate how environment affects galaxy structural…

Astrophysics of Galaxies · Physics 2026-04-17 Mohamed H. Abdullah , Nouran E. Abdelhamid , Rasha M. Samir , Gillian Wilson

We measure the environmental dependence, where environment is defined by the distance to the third nearest neighbor, of multiple galaxy properties inside the Environmental COntext (ECO) catalog. We focus primarily on void galaxies, which we…

In this letter we present, for the first time, a study of star formation rate, gas fraction and galaxy morphology of a constrained simulation of the Milky Way (MW) and Andromeda (M31) galaxies, compared to other MW-mass galaxies. By…

We present a study of the environment of barred galaxies using galaxies drawn from the SDSS. We use several different statistics to quantify the environment: the projected two-point cross-correlation function, the background-subtracted…

Astrophysics of Galaxies · Physics 2016-06-29 Bernardo Cervantes Sodi , Cheng Li , Changbom Park , Lixin Wang

We use the Millennium Simulation to study the relation of galaxies and dark matter haloes to the cosmic web. We define the web as the unique, fully connected, percolating object with (unsmoothed) matter density everywhere exceeding 5.25…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-22 Navdha , Philipp Busch , Simon D. M. White

Using a sample of galaxies selected from the Sloan Digital Sky Survey Data Release 7 (SDSS DR7) and a catalog of bulge-disk decompositions, we study how the size distribution of galaxies depends on the intrinsic properties of galaxies, such…

Astrophysics of Galaxies · Physics 2019-02-25 Youcai Zhang , Xiaohu Yang

Different properties of dark matter haloes, including growth rate, concentration, interaction history, and spin, correlate with environment in unique, scale-dependent ways. While these halo properties are not directly observable, galaxies…

Astrophysics of Galaxies · Physics 2022-01-24 Peter Behroozi , Andrew Hearin , Benjamin P. Moster

We use data from the Evolution and Assembly of GaLaxies in their Environment (EAGLE) cosmological simulation to study properties of galaxies in the cosmic web. Galaxies become more redder and form stars at a lower rate relative to their…

Astrophysics of Galaxies · Physics 2020-07-29 Ankit Singh , Smriti Mahajan , J. S. Bagla

We exploit the first public data release of VIPERS to investigate environmental effects in galaxy evolution between $z\sim0.5$ and $0.9$. The large number of spectroscopic redshifts over an area of about $10\,\mathrm{deg}^2$ provides a…

We investigate the dependence of galaxy structure on a variety of galactic and environmental parameters for ~500,000 galaxies at z<0.2, taken from the Sloan Digital Sky Survey data release 7 (SDSS-DR7). We utilise bulge-to-total stellar…

We take advantage of an analytic model of galaxy formation coupled to the merger tree of an N-body simulation to study the roles of environment and stellar mass in the quenching of galaxies. The model has been originally set in order to…

Astrophysics of Galaxies · Physics 2020-02-12 E. Contini , Q. Gu , X. Ge , J. Rhee , S. K. Yi , X. Kang

It is a remarkable feature that various properties of galaxies vary according to their environments. However, only little has been known on the origin of this variety in galaxies. Using the Sloan Digital Sky Survey (SDSS) data, we…

Astrophysics · Physics 2007-05-23 Tomotsugu Goto

Internal feedback from massive stars and active galactic nuclei (AGN) play a key role in galaxy evolution, but external environmental effects can also strongly influence galaxies. We investigate the impact of environment on galaxy…

We conduct the first study of how the relative quenching probability of galaxies depends on environment over the redshift range $0.5 < z < 3$, using data from the UKIDSS Ultra-Deep Survey. By constructing the stellar mass functions for…

Astrophysics of Galaxies · Physics 2023-04-19 E. Taylor , O. Almaini , M. Merrifield , D. Maltby , V. Wild , W. G. Hartley , K. Rowlands