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We study a sample of 48127 galaxies selected from the SDSS MPA-JHU catalogue, with $\log M_{\star}/M_{\odot} = 10.73 - 11.03$ and $z<0.1$. Local galaxies in this stellar mass range have been shown to have systematically shorter assembly…

Astrophysics of Galaxies · Physics 2020-09-30 Dejene Zewdie , Mirjana Pović , Manuel Aravena , Roberto J. Assef , Asrate Gaulle

Powerful outflows are thought to play a critical role in galaxy evolution and black hole growth. We present the first large-scale systematic study of ionised outflows in paired galaxies and post-mergers compared to a robust control sample…

In this Letter, we investigate how galaxy mass assembly mode depends on stellar mass $M_{\ast}$, using a large sample of $\sim$10, 000 low redshift galaxies. Our galaxy sample is selected to have SDSS $R_{90}>5\arcsec.0$, which allows the…

Astrophysics of Galaxies · Physics 2015-05-27 Zhizheng Pan , Jinrong Li , Weipeng Lin , Jing Wang , Lulu Fan , Xu Kong

Previous findings show that massive ($> 10^{10} M_{sun}$) star-forming (SF) galaxies usually have an inside-out stellar mass assembly mode. In this paper, we have for the first time selected a sample of 77 massive SF galaxies with an…

Astrophysics of Galaxies · Physics 2017-08-09 Enci Wang , Xu Kong , Huiyuan Wang , Lixin Wang , Lin Lin , Yulong Gao , Qing Liu

We present measurements of the intrinsic alignments (IAs) of the star-forming gas of galaxies in the EAGLE simulations. Radio continuum imaging of this gas enables cosmic shear measurements complementary to optical surveys. We measure the…

Astrophysics of Galaxies · Physics 2022-02-16 Alexander D. Hill , Robert A. Crain , Ian G. McCarthy , Shaun T. Brown

According to the standard inside-out galaxy formation scenario, galaxies first form a dense core and then gradually assemble their outskirts. This implies that galaxies with similar central stellar mass densities might have evolutionary…

Astrophysics of Galaxies · Physics 2025-02-25 Lijun Chen , Hong-Xin Zhang

The circumgalactic medium (CGM) is the location where the interplay between large-scale outflows and accretion onto galaxies occurs. Metals in different ionization states flowing between the circumgalactic and intergalactic mediums are…

We study the kinematic properties of the ambient ionized ISM and ionized gas outflows in a large and representative sample of local luminous and ultraluminous infrared galaxies (U/LIRGs) (58 systems, 75 galaxies), on the basis of integral…

Astrophysics of Galaxies · Physics 2014-09-05 Santiago Arribas , Luis Colina , Enrica Bellocchi , Roberto Maiolino , Montserrat Villar-Martin

The intrinsic alignments of galaxies, i.e., the correlation between galaxy shapes and their environment, are a major source of contamination for weak gravitational lensing surveys. Most studies of intrinsic alignments have so far focused on…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-19 William d'Assignies D. , Nora Elisa Chisari , Nico Hamaus , Sukhdeep Singh

The evolution of galaxies in groups may have important implications for the evolution of the star formation history of the universe, since many processes which operate in groups may suppress star formation and the fraction of galaxies in…

We selected 35 low-mass SFGs (7.9<log(M$_*$/M$_{\odot}$)<10.3) from deep spectroscopic surveys based on their CIII]1908 emission. We used follow-up NIR observations to examine their rest-optical emission lines and identify ionized outflow…

Astrophysics of Galaxies · Physics 2023-08-09 M. Llerena , R. Amorín , L. Pentericci , A. Calabrò , A. E. Shapley , K. Boutsia , E. Pérez-Montero , J. M. Vílchez , K. Nakajima

We analyze empirical relationships between the optical, near infrared, and HI characteristics of isolated galaxies from the 2MIG Catalog covering the entire sky. Data on morphological types, K_S-, and B-magnitudes, linear diameters, HI…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Yu. N. Kudrya , V. E. Karachentseva , I. D. Karachentsev

We present the first detailed integral field spectroscopy study of nine central void galaxies with M*>10^10 Msun using the Wide Field Spectrograph (WiFeS) to determine how a range of assembly histories manifest themselves in the current day…

Astrophysics of Galaxies · Physics 2016-04-06 Amelia Fraser-McKelvie , Kevin A. Pimbblet , Samantha J. Penny , Michael J. I. Brown

The circumgalactic medium (CGM) is fed by galaxy outflows and accretion of intergalactic gas, but its mass, heavy element enrichment, and relation to galaxy properties are poorly constrained by observations. In a survey of the outskirts of…

Investigating the assembly history of the most massive and passive galaxies will enhance our understanding of why galaxies exhibit such a remarkable diversity in structure and morphology. In this paper, we simultaneously investigate the…

Astrophysics of Galaxies · Physics 2025-01-22 D. Stoppacher , A. D. Montero-Dorta , M. C. Artale , A. Knebe , N. Padilla , A. J. Benson , C. Behrens

We present here AMUSING\textrm{++}; the largest compilation of nearby galaxies observed with the MUSE integral field spectrograph so far. This collection consists of 635 galaxies from different MUSE projects covering the redshift interval…

We report on a S/N-limited search for low-ionization gas outflows in the spectra of the 0.11 < z < 0.54 objects in the EGS portion of the DEEP2 survey. Doppler shifts from the host galaxy redshifts are systematically searched for in the Na…

Astrophysics · Physics 2015-03-13 Taro Sato , Crystal L. Martin , Kai G. Noeske , David C. Koo , Jennifer M. Lotz

Using a sample of nearly 20,000 massive early-type galaxies selected from the Sloan Digital Sky Survey, we study the color-magnitude relation for the most luminous (L > 2.2 L^{*}) field galaxies in the redshift range 0.1<z<0.4 in several…

We present a sample of 398 galaxies with ionized gas outflow signatures in their spectra from the Galaxy and Mass Assembly (GAMA) Survey Data Release 4, including 45 low-mass galaxies with stellar masses $M_*<10^{10}$ $M_\odot$. We assemble…

Astrophysics of Galaxies · Physics 2024-12-03 Sheyda Salehirad , Amy E. Reines , Mallory Molina

We present a study on the physical properties of compact star-forming galaxies (cSFGs) with $M_{*}\geq10^{10}M_{\odot}$ and $2\leq z\leq3$ in the COSMOS and GOODS-S fields. We find that massive cSFGs have a comoving number density of…

Astrophysics of Galaxies · Physics 2015-07-15 Guanwen Fang , Zhongyang Ma , Xu Kong , Lulu Fan
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