Low X-Ray Luminosity Galaxy Clusters: Main goals, sample selection, photometric and spectroscopic observations [PDF]
, 2016 We present the study of nineteen low X-ray luminosity galaxy clusters (L$_X \sim$ 0.5--45 $\times$ $10^{43}$ erg s$^{-1}$), selected from the ROSAT Position Sensitive Proportional Counters (PSPC) Pointed Observations (Vikhlinin et al.
Alonso, M. V. +12 more
core +3 more sources
Next Generation Cosmology: Constraints from the Euclid Galaxy Cluster Survey [PDF]
, 2015 We study the characteristics of the galaxy cluster samples expected from the European Space Agency's Euclid satellite and forecast constraints on parameters describing a variety of cosmological models.
B. Sartoris +15 more
semanticscholar +1 more source
Supernovae in Galaxy Clusters [PDF]
International Astronomical Union Colloquium, 2005 SummaryWe present the results of several surveys for supernovae (SNe) in galaxy clusters. SNe discovered in deep, archival HST images were used to measure the cluster SN Ia rate to z = 1. A search for SNe in nearby (0.06 ≤ z ≤ 0.2) Abell galaxy clusters yielded 15 SNe, 12 of which were spectroscopically confirmed.
Alexei V. Filippenko +5 more
openaire +4 more sources
ILLUMINATING A DARK LENS: A TYPE Ia SUPERNOVA MAGNIFIED BY THE FRONTIER FIELDS GALAXY CLUSTER ABELL 2744 [PDF]
, 2015 SN HFF14Tom is a Type Ia SN discovered at z = 1.3457 ± 0.0001 ?> behind the galaxy cluster Abell 2744 (z = 0.308). In a cosmology-independent analysis, we find that HFF14Tom is 0.77 ± 0.15 mag brighter than unlensed Type Ia SNe at similar redshift ...
S. Rodney +29 more
semanticscholar +1 more source
Quenched Galaxies in Clusters of Galaxies and Their Outskirts [PDF]
Astrophysical Bulletin, 2020 Based on the SDSS data, the properties of galaxies with quenched star formation (QGs) within the "splashback"-radius of galaxy clusters $R_{\rm sp}$ and beyond it have been studied.
F. G. Kopylova, Alexander I. Kopylov
openaire +3 more sources
Pre-Processing and Post-Processing in Group-Cluster Mergers [PDF]
, 2013 Galaxies in clusters are more likely to be of early type and to have lower star formation rates than galaxies in the field. Recent observations and simulations suggest that cluster galaxies may be `pre-processed' by group or filament environments and ...
Ricker, Paul M., Vijayaraghavan, Rukmani
core +1 more source
SEARCH FOR EXTENDED GAMMA-RAY EMISSION FROM THE VIRGO GALAXY CLUSTER WITH FERMI-LAT [PDF]
, 2015 Galaxy clusters are one of the prime sites to search for dark matter (DM) annihilation signals. Depending on the substructure of the DM halo of a galaxy cluster and the cross sections for DM annihilation channels, these signals might be detectable by the
M. Ackermann +152 more
semanticscholar +1 more source
The Hubble constant from galaxy cluster scaling-relation and SNe Ia observations: a consistency test
European Physical Journal C: Particles and Fields, 2023 In this paper, we propose a self-consistent test for a Hubble constant estimate using galaxy cluster and type Ia supernovae (SNe Ia) observations. The approach consists, in a first step, of obtaining the observational value of the galaxy cluster scaling ...
Kamal Bora, R. F. L. Holanda
doaj +1 more source
Cl 1103.7-1245 at z=0.96: the highest redshift galaxy cluster in the EDisCS survey [PDF]
, 2012 We present new spectroscopic observations in a field containing the highest redshift cluster of the ESO Distant Cluster Survey (EDisCS). We measure galaxy redshifts and determine the velocity dispersions of the galaxy structures located in this field ...
A. Aragón-Salamanca +64 more
core +2 more sources
THE MASSIVE AND DISTANT CLUSTERS OF WISE SURVEY: MOO J1142+1527, A 1015 M⊙ GALAXY CLUSTER AT z = 1.19 [PDF]
, 2015 We present confirmation of the cluster MOO J1142+1527, a massive galaxy cluster discovered as part of the Massive and Distant Clusters of WISE Survey. The cluster is confirmed to lie at z = 1.19, and using the Combined Array for Research in Millimeter ...
Anthony H. Gonzalez +21 more
semanticscholar +1 more source