Results 11 to 20 of about 12,959,376 (400)
Accretion of galaxy groups into galaxy clusters [PDF]
Monthly Notices of the Royal Astronomical Society, 2020 ABSTRACT We study the role of group infall in the assembly and dynamics of galaxy clusters in ΛCDM. We select 10 clusters with virial mass M200 ∼ 1014 $\rm M_\odot$ from the cosmological hydrodynamical simulation Illustris and follow their galaxies with stellar mass M⋆ ≥ 1.5 × 108 $\rm M_\odot$.
José A Benavides +2 more
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WALLABY Early Science – II. The NGC 7232 galaxy group [PDF]
Monthly notices of the Royal Astronomical Society, 2019 We report on neutral hydrogen (H i) observations of the NGC 7232 group with the Australian Square Kilometre Array Pathfinder (ASKAP). These observations were conducted as part of the Wide-field ASKAP L-Band Legacy All-sky Blind surveY (WALLABY) Early ...
K. Lee-Waddell +27 more
semanticscholar +1 more source
GASP – XII. The variety of physical processes occurring in a single galaxy group in formation [PDF]
Monthly notices of the Royal Astronomical Society, 2018 GAs Stripping Phenomena in galaxies with MUSE (GASP) is a program aimed at studying gas removal processes in nearby galaxies in different environments. We present the study of four galaxies that are part of the same group (z= 0.06359) and highlight the ...
B. Vulcani +9 more
semanticscholar +1 more source
Comparing galaxy populations in compact and loose groups of galaxies [PDF]
Astronomy & Astrophysics, 2013 Accepted for publication in Astronomy & Astrophysics (A&A)
Martinez, Hector Jose Ariel +2 more
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ALIGNMENTS OF GROUP GALAXIES WITH NEIGHBORING GROUPS [PDF]
The Astrophysical Journal, 2009 13 pages, 16 figures, accepted by ...
Wang, Yougang +4 more
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The Galaxy Number Density Profile of Halos
The Astrophysical Journal, 2023 More precise measurements of galaxy clustering will be provided by the next generation of galaxy surveys, such as DESI, WALLABY, and the Square Kilometre Array.
Fei Qin +3 more
doaj +1 more source
Dwarf Galaxy Discoveries from the KMTNet Supernova Program. I. The NGC 2784 Galaxy Group [PDF]
, 2017 We present BVI surface photometry of 31 dwarf galaxy candidates discovered in a deep image stack from the KMTNet Supernova Program of ∼30 square degrees centered on the nearby NGC 2784 galaxy group. Our final images have a 3σ surface brightness detection
H. S. Park +7 more
semanticscholar +1 more source
The JWST PEARLS View of the El Gordo Galaxy Cluster and of the Structure It Magnifies
The Astrophysical Journal, 2023 The massive galaxy cluster El Gordo ( z = 0.87) imprints multitudes of gravitationally lensed arcs onto James Webb Space Telescope Near-Infrared Camera (NIRCam) images.
Brenda L. Frye +43 more
doaj +1 more source
The Effect of the LMC on the Milky Way System
Galaxies, 2023 We review the recent theoretical and observational developments concerning the interaction of the Large Magellanic Cloud (LMC) with the Milky Way and its neighbourhood.
Eugene Vasiliev
doaj +1 more source
The Astronomical Journal, 2015 Galaxy groups can be characterized by the radius of decoupling from cosmic expansion, the radius of the caustic of second turnaround, and the velocity dispersion of galaxies within this latter radius. These parameters can be a challenge to measure, especially for small groups with few members.
openaire +2 more sources