2003A&A...403..433C

Query : 2003A&A...403..433C

2003A&A...403..433C - Astronomy and Astrophysics, volume 403, 433-442 (2003/5-4)

Distribution of dark and baryonic matter in clusters of galaxies.

CASTILLO-MORALES A. and SCHINDLER S.

Abstract (from CDS):

We present the analysis of baryonic and non-baryonic matter distribution in a sample of ten nearby clusters (0.03<z<0.09) with temperatures between 4.7 and 9.4keV. These galaxy clusters are studied in detail using X-ray data and global physical properties are determined. Correlations between these quantities are analysed and compared with the results for distant clusters. We find an interesting correlation between the extent of the intra-cluster gas relative to the dark matter distribution. The extent of the gas relative to the extent of the dark matter tends to be larger in less massive clusters. This correlation might give us some hints on non-gravitational processes in clusters. We do not see evolution in the gas mass fraction out to a redshift of unity. Within r500, the mean gas mass fraction obtained is (0.16±0.02)h50–3/2.

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Journal keyword(s): galaxies: clusters: general - intergalactic medium - cosmology: observations - cosmology: theory - dark matter - X-rays: galaxies: clusters

Simbad objects: 15

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Number of rows : 15
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 ACO 401 ClG 02 58 56.9 +13 34 56           ~ 566 0
2 ACO 3112 ClG 03 17 52.4 -44 14 35           ~ 311 1
3 ACO 478 ClG 04 13 20.7 +10 28 35           ~ 502 0
4 ACO 496 ClG 04 33 38.8 -13 15 59           ~ 694 2
5 ACO 644 ClG 08 17 24.5 -07 30 46           ~ 225 0
6 ClG J0849+4452 ClG 08 48 58.8 +44 51 53           ~ 107 1
7 ClG J0947+7623 ClG 09 46 59.916 +76 23 43.99           ~ 150 0
8 NVSS J094712+762312 Rad 09 47 12.5 +76 23 12           ~ 151 1
9 ClG J1120+4318 ClG 11 20 07.6 +43 18 07           ~ 60 0
10 ACO 1651 ClG 12 59 22.43 -04 11 47.1           ~ 290 0
11 ACO 3571 ClG 13 47 28.9 -32 51 57           ~ 284 2
12 ACO 1795 ClG 13 48 50.48 +26 35 07.4           ~ 1266 0
13 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 688 1
14 ACO 2029 ClG 15 10 56.2 +05 44 42           ~ 943 0
15 ACO 2199 ClG 16 28 43.31 +39 34 07.6           ~ 1171 1

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