Results 21 to 30 of about 2,234,166 (364)
Galaxy Dynamics in Clusters [PDF]
30 pages, self-unpacking (via uufiles) postscript file without figures. Eighteen figures (and slick color version of figure 3) and entire paper available at ftp://oahu.physics.lsa.umich.edu/groups/astro/fews Total size of paper with figures is ~9.0 Mb uncompressed. Submitted to Ap.J.
Carlos S. Frenk+6 more
openaire +4 more sources
ON THE DETERMINATION OF GALAXY STRUCTURE ELLIPTICITY
We discuss factors influencing the determination of the observed shape of galaxy clusters when the covariance ellipse method is involved. The analysis of 377 Abell clusters show that at greater distances from the cluster center the ellipticity is rather ...
M. Biernacka+3 more
doaj +1 more source
Deep Synoptic Array Science: Two Fast Radio Burst Sources in Massive Galaxy Clusters
The hot gas that constitutes the intracluster medium (ICM) has been studied at X-ray and millimeter/submillimeter wavelengths (Sunyaev–Zel’dovich effect) for decades.
Liam Connor+24 more
doaj +1 more source
Signatures of Galaxy-Cluster Interactions: Spiral Galaxy Rotation Curve Asymmetry, Shape, and Extent [PDF]
The environmental dependencies of the characteristics of spiral galaxy rotation curves are studied in this work. We use our large, homogeneously collected sample of 510 cluster spiral galaxy rotation curves to test the claim that the shape of a galaxy's ...
Adabi M. G.+16 more
core +4 more sources
Cosmology with Clusters of Galaxies [PDF]
I show that three independent methods utilizing clusters of galaxies - cluster dynamics and mass-to-light ratio, baryon fraction in clusters, and cluster evolution - all indicate the same robust result: the mass-density of the universe is low, Omega ~ 0.2, and the mass approximately traces light on large scales.
openaire +6 more sources
Structures in Galaxy Clusters [PDF]
(16 pages in LATEX, 4 tables in LATEX are at the end of the file, the figures not included are available upon request), REF SISSA 158/93 ...
Marisa Girardi+6 more
openaire +5 more sources
THE PECULIARITIES IN O-TYPE GALAXY CLUSTERS
We present the results of analysis of 2D distribution of galaxies in galaxy cluster fields. The Catalogue of Galaxy Clusters and Groups PF (Panko & Flin) was used as input observational data set.
E. A. Panko, S. I. Emelyanov
doaj +1 more source
DISCOVERY OF A GALAXY CLUSTER WITH A VIOLENTLY STARBURSTING CORE AT z = 2.506 [PDF]
We report the discovery of a remarkable concentration of massive galaxies with extended X-ray emission at zspec = 2.506, which contains 11 massive (M* ≳ 1011 M⊙) galaxies in the central 80 kpc region (11.6σ overdensity).
Tao Wang+19 more
semanticscholar +1 more source
Galaxy subgroups in galaxy clusters [PDF]
Galaxies which fall into clusters as part of the same infall halo can retain correlations due to their shared origin. N-body simulations are used to study properties of such galaxy subgroups within clusters, including their richnesses and prevalence.
openaire +4 more sources
The shapes of galaxy clusters [PDF]
17 pages, postscript, submitted to ...
Theije, P.A.M. de+2 more
openaire +4 more sources