2011A&A...527A.134M

Query : 2011A&A...527A.134M

2011A&A...527A.134M - Astronomy and Astrophysics, volume 527A, 134-134 (2011/3-1)

Radial profiles of Fe abundance in the intracluster medium of nearby clusters observed with XMM-Newton.

MATSUSHITA K.

Abstract (from CDS):

The abundances of Fe in the intracluster medium of nearby (z<0.08) clusters were measured up to 0.3∼0.5r180. We analyzed 28 clusters of galaxies observed with XMM-Newton. We derived Fe abundances from the flux ratios of Fe lines to the continuum within an energy range of 3.5-6 keV to minimize and evaluate systematic uncertainties. The radial profiles of the Fe abundances of relaxed clusters with a cD galaxy at their X-ray peak have similar slopes. These clusters show similar enhancements in the Fe abundance within 0.1r180, and at 0.1-0.3r180, they have flatter Fe abundance profiles at 0.4∼0.5 solar, with a small scatter. Most other clusters, including merging clusters, also have similar Fe abundance profiles beyond 0.1r180. These clusters may have universal metal enrichment histories, and a significant amount of Fe was synthesized at a very early stage in cluster formation. Mergers of clusters can destroy the central Fe peak.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - X-rays: galaxies: clusters - intergalactic medium

VizieR on-line data: <Available at CDS (J/A+A/527/A134): clusters.dat table1.dat table2.dat>

Simbad objects: 30

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Number of rows : 30
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 85 ClG 00 41 36.21 -09 19 30.4           ~ 909 0
2 ACO 262 ClG 01 52 50.4 +36 08 46           ~ 699 1
3 2A 0251+413 ClG 02 54 32.2 +41 35 10           ~ 315 1
4 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 2258 1
5 ACO 3266 ClG 04 31 11.9 -61 24 23           ~ 410 0
6 ACO 496 ClG 04 33 38.8 -13 15 59           ~ 694 2
7 ACO 754 ClG 09 09 08.4 -09 39 58           ~ 666 1
8 NAME Hya A LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1012 1
9 ACO 780 ClG 09 18 30 -12 15.7           ~ 453 0
10 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 840 1
11 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1076 1
12 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6645 0
13 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7196 3
14 ACO 3526 ClG 12 48 51.8 -41 18 21           ~ 1068 2
15 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 366 1
16 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4803 2
17 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 442 2
18 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 314 1
19 ACO 3571 ClG 13 47 28.9 -32 51 57           ~ 284 2
20 ACO 1795 ClG 13 48 50.48 +26 35 07.4           ~ 1267 0
21 ACO 2029 ClG 15 10 56.2 +05 44 42           ~ 943 0
22 ACO 2052 ClG 15 16 41.64 +07 01 45.5           ~ 730 1
23 ACT-CL J1521.8+0742 ClG 15 21 55.14 +07 41 27.2     15.13     ~ 311 0
24 ACO 2063 ClG 15 23 01.8 +08 38 22           ~ 397 2
25 ACO 3627 ClG 16 14 22.5 -60 52 07           ~ 296 2
26 ACO 2199 ClG 16 28 43.31 +39 34 07.6           ~ 1171 1
27 ACO 2256 ClG 17 03 09.4 +78 39 36           ~ 885 1
28 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 627 1
29 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 316 1
30 ACO 4038 ClG 23 47 31.1 -28 12 10           ~ 335 3

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