2001ApJ...546..805B

Query : 2001ApJ...546..805B

2001ApJ...546..805B - Astrophys. J., 546, 805-811 (2001/January-2)

The multiphase nature of the intracluster medium of some clusters of galaxies.

BONAMENTE M., LIEU R. and MITTAZ J.P.D.

Abstract (from CDS):

The discovery of EUV and soft X-ray excess emission in clusters of galaxies (the cluster soft excess phenomenon) challenged the notion of the hot (∼107-108 K) gas as the only dominant thermal component of the intracluster medium (ICM). The spatial analysis of ROSAT PSPC (1)/(4) keV images presented here reveals compelling evidence for substantial amounts of cold gas (H I) in the ICM of the Coma and Virgo Clusters. This finding bolsters the original interpretation of the soft excess as emission from a ``warm'' (∼106 K) gas and points to the scenario of a multiphase ICM where the hot component coexists with gases at subvirial temperatures (the ``warm'' and ``cold'' phases).

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Clusters: General - galaxies: clusters: individual (Virgo, Coma) - Methods: Data Analysis - Methods: Statistical

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
2 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
3 NGC 4874 LIN 12 59 35.7093764280 +27 57 33.293892204 13.01 13.7 12.71 12.27 11.386 ~ 814 3
4 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
5 NGC 4889 EmG 13 00 08.097 +27 58 37.29 12.93 13.0 11.30 11.652 10.906 ~ 742 1
6 ACO 1795 ClG 13 48 47.4 +26 34 55           ~ 1330 0
7 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1

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