2003A&A...404...63D

Query : 2003A&A...404...63D

2003A&A...404...63D - Astronomy and Astrophysics, volume 40463-74 (2003/6-2)

XMM observation of the dynamically young galaxy cluster CL 0939+4713.

DE FILIPPIS E., SCHINDLER S. and CASTILLO-MORALES A.

Abstract (from CDS):

We present an XMM observation of the distant galaxy cluster CL 0939+4713. The X-ray image shows pronounced substructure, with two main subclusters which have even some internal structure. This is an indication that the cluster is a dynamically young system. This conclusion is supported by the temperature distribution: a hot region is found between the two main subclusters indicating that they are at the beginning of a major merger, and that they will probably collide in a few hundreds of Myr. The intra-cluster gas of CL 0939+4713 shows inhomogeneities in the metal distribution, with the optically richer subcluster having a higher metallicity.

Abstract Copyright: ∼

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

Nomenclature: Table 1: [DSC2003] MN (Nos M1-M2). Table 2: [DSC2003] NN (Nos 1-19).

Simbad objects: 28

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Number of rows : 28
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 [DSC2003] 1 X 09 42 29.23 +46 56 25.3           ~ 1 0
2 [DSC2003] 2 X 09 42 34.90 +46 55 58.4           ~ 1 0
3 [DSC2003] 3 X 09 42 40.53 +47 01 40.4           ~ 1 0
4 [DSC2003] 4 X 09 42 41.72 +46 58 32.4           ~ 1 0
5 [DSC2003] 5 X 09 42 44.04 +47 03 36.4           ~ 1 0
6 [DSC2003] 6 X 09 42 51.09 +47 05 14.5           ~ 1 0
7 [DSC2003] 7 X 09 42 51.88 +47 02 04.5           ~ 1 0
8 [DSC2003] 8 X 09 42 55.21 +46 57 10.5           ~ 2 0
9 [DSC2003] 10 X 09 42 57.39 +47 00 50.1           ~ 1 0
10 SDSS J094257.44+465849.7 BiC 09 42 57.442 +46 58 49.76           ~ 19 0
11 RX J0943.0+4701 X 09 42 58 +47 01.0           ~ 3 0
12 ACO 851 ClG 09 43 01.2 +46 59 54   18.9       ~ 334 0
13 SDSS J094301.61+470125.9 QSO 09 43 01.6226149296 +47 01 25.978083492           ~ 7 0
14 SDSS J094302.13+470217.9 QSO 09 43 02.1344159448 +47 02 17.961716616           ~ 15 0
15 [DSC2003] 13 X 09 43 03.03 +47 03 52.5           ~ 1 0
16 [DG92] 4-292 GiC 09 43 03.88 +46 58 40.3           ~ 6 0
17 [DSC2003] 14 X 09 43 04.20 +46 58 40.5           ~ 1 0
18 [DSC2003] 15 X 09 43 05.36 +46 56 36.5           ~ 1 0
19 [ODK2009] 324 GiC 09 43 05.48 +46 56 37.2           ~ 6 0
20 [DSC2003] 16 X 09 43 06.979 +47 02 17.54           ~ 2 0
21 [VV2006] J094307.5+465941 QSO 09 43 07.561 +46 59 40.60     21.50     ~ 21 0
22 [DSC2003] 18 X 09 43 08.88 +46 57 00.4           ~ 1 0
23 [DG92] 4-105 GiC 09 43 08.93 +46 57 05.7           ~ 2 0
24 SDSS J094317.32+470039.4 QSO 09 43 17.3170041576 +47 00 39.455316540   21.04 20.89 19.00   ~ 14 0
25 [DSC2003] M1 X ~ ~           ~ 1 0
26 [DSC2003] M2 X ~ ~           ~ 1 0
27 SED ACO 851 74 GiC ~ ~           ~ 2 0
28 SED ACO 851 66 GiC ~ ~           ~ 2 0

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