scholarly journals The relationship between substructure in 2D X-ray surface brightness images and weak-lensing mass maps of galaxy clusters: a simulation study

2009 ◽  
Vol 400 (2) ◽  
pp. 705-730 ◽  
Author(s):  
Leila C. Powell ◽  
Scott T. Kay ◽  
Arif Babul
Keyword(s):  
Galaxy Clusters ◽  
Simulation Study ◽  
Surface Brightness ◽  
Weak Lensing ◽  
X Ray ◽  
The Relationship

scholarly journals Investigating the Relationship Between the Hot Gas and the Dark Matter Components of Galaxy Clusters.

2007 ◽  
Vol 3 (S244) ◽  
pp. 374-375
Author(s):  
Leila C. Powell ◽  
Scott T. Kay ◽  
Arif Babul ◽  
Andisheh Mahdavi
Keyword(s):  
Dark Matter ◽  
Total Mass ◽  
Surface Brightness ◽  
Galaxy Cluster ◽  
Weak Lensing ◽  
X Ray ◽  
Hot Gas ◽  
Cluster Properties ◽  
The Impact ◽  
The Relationship

AbstractVarious differences in galaxy cluster properties derived from X-ray and weak lensing observations have been highlighted in the literature. One such difference is the observation of mass concentrations in lensing maps which have no X-ray counterparts (e.g. Jee, White, Ford et al. 2005). We investigate this issue by identifying substructures in maps of projected total mass (analogous to weak lensing mass reconstructions) and maps of projected X-ray surface brightness for three simulated clusters. We then compare the 2D mass substructures with both 3D subhalo data and the 2D X-ray substructures. Here we present preliminary results from the first comparison, where we have assessed the impact of projecting the data on subhalo identification.

scholarly journals Simulated X-ray galaxy clusters at the virial radius: Slopes of the gas density, temperature and surface brightness profiles

2006 ◽  
Vol 373 (4) ◽  
pp. 1339-1350 ◽  
Author(s):  
M. Roncarelli ◽  
S. Ettori ◽  
K. Dolag ◽  
L. Moscardini ◽  
S. Borgani ◽  
...  
Keyword(s):  
Galaxy Clusters ◽  
Surface Brightness ◽  
Gas Density ◽  
X Ray

scholarly journals The X-ray properties of weak-lensing-selected galaxy clusters

2015 ◽  
Vol 447 (4) ◽  
pp. 3044-3059 ◽  
Author(s):  
P. A. Giles ◽  
B. J. Maughan ◽  
T. Hamana ◽  
S. Miyazaki ◽  
M. Birkinshaw ◽  
...  
Keyword(s):  
Galaxy Clusters ◽  
Weak Lensing ◽  
X Ray

scholarly journals Galaxy clusters mass measurements: news in X-ray and Weak lensing data analysis

2012 ◽  
Vol 383 ◽  
pp. 012011
Author(s):  
Iacopo Bartalucci ◽  
Ilaria Formicola ◽  
Rossella Martino
Keyword(s):  
Data Analysis ◽  
Galaxy Clusters ◽  
Weak Lensing ◽  
Mass Measurements ◽  
X Ray

The effects of galaxy winds on small galaxy groups

2000 ◽  
Vol 174 ◽  
pp. 182-185
Author(s):  
Stephen F. Helsdon ◽  
Trevor J. Ponman
Keyword(s):  
Galaxy Clusters ◽  
Surface Brightness ◽  
Velocity Dispersion ◽  
Compact Groups ◽  
X Ray ◽  
Galaxy Groups

AbstractWe present the largest survey to date of the X-ray properties of loose groups. We derive relations between X-ray luminosity, temperature and velocity dispersion, and also examine the surface brightness profiles of these systems. We find significant departures from the trends seen in galaxy clusters, which we interpret as arising from the effect of galaxy winds, and we briefly compare the properties of these loose groups with those of compact groups.

scholarly journals Exemplary Merging Clusters: Weak-lensing and X-Ray Analysis of the Double Radio Relic, Merging Galaxy Clusters MACS J1752.0+4440 and ZWCL 1856.8+6616

2021 ◽  
Vol 918 (2) ◽  
pp. 72
Author(s):  
Kyle Finner ◽  
Kim HyeongHan ◽  
M. James Jee ◽  
David Wittman ◽  
William R. Forman ◽  
...  
Keyword(s):  
Galaxy Clusters ◽  
Weak Lensing ◽  
X Ray
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