2013ApJ...772...84C

Query : 2013ApJ...772...84C

2013ApJ...772...84C - Astrophys. J., 772, 84 (2013/August-1)

Chandra view of the ultra-steep spectrum radio source in A2443: merger shock-induced compression of fossil radio plasma?

CLARKE T.E., RANDALL S.W., SARAZIN C.L., BLANTON E.L. and GIACINTUCCI S.

Abstract (from CDS):

We present a new Chandra X-ray observation of the intracluster medium in the galaxy cluster A2443, hosting an ultra-steep spectrum radio source. The data reveal that the intracluster medium is highly disturbed. The thermal gas in the core is elongated along a northwest to southeast axis and there is a cool tail to the north. We also detect two X-ray surface brightness edges near the cluster core. The edges appear to be consistent with an inner cold front to the northeast of the core and an outer shock front to the southeast of the core. The southeastern edge is coincident with the location of the radio relic as expected for shock (re)acceleration or adiabatic compression of fossil relativistic electrons.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: A2443 - radio continuum: galaxies - X-rays: galaxies: clusters

Nomenclature: Figs 1+3, Table 1: [CRS2013] N (Nos 1-6).

CDS comments: Paragr. 4.1: PCG 068859 is a misprint for PGC 068859.

Simbad objects: 27

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Number of rows : 27
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 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
2 ACO 114 ClG 00 53 39 -21 40.7           ~ 67 0
3 ACO 115 ClG 00 55 59 +26 23.2           ~ 295 1
4 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 279 0
5 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
6 ClG J0744+3927 ClG 07 44 52.5 +39 27 30           ~ 189 0
7 ACO 754 ClG 09 09 14.8 -09 40 35           ~ 695 1
8 ACO 1201 ClG 11 12 54.4 +13 26 08           ~ 131 1
9 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1126 1
10 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
11 BAX 199.3086-25.5133 ClG 13 14 25.4 -25 15 44           ~ 118 0
12 ACO 2029 ClG 15 10 54.2 +05 44 23           ~ 1020 0
13 ACO 2052 ClG 15 16 41.64 +07 01 45.5           ~ 756 1
14 ACO 2146 ClG 15 56 04.7 +66 20 24           ~ 192 0
15 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 676 1
16 PG 2223+171 HS* 22 25 54.3997305144 +17 23 10.666732848   14.65 14.73 15.00   sdBO 9 0
17 [CRS2013] 5 X 22 25 58.480 +17 21 25.00           ~ 1 0
18 [TAG2001] 6 GiC 22 26 02.750 +17 22 27.36   20.22 18.77     ~ 4 0
19 [TAG2001] 96 GiC 22 26 05.73 +17 21 44.6   24.31 23.31     ~ 2 0
20 [CRS2013] 2 G 22 26 05.960 +17 21 44.67           ~ 1 0
21 2MASX J22260792+1721228 BiC 22 26 07.929 +17 21 23.46   16.44 15.17     ~ 13 0
22 [CRS2013] 1 G 22 26 07.980 +17 21 23.47           ~ 1 0
23 OHIO Y 139 Rad 22 26 08.6 +17 21 20           ~ 10 1
24 [CRS2013] 4 G 22 26 08.660 +17 24 17.15           ~ 3 0
25 ACO 2443 ClG 22 26 14.09 +17 25 13.5           ~ 126 0
26 ZwCl 2224+1651 ClG 22 26 37.6 +17 06 18           ~ 4 0
27 RX J2227.2+1706 X 22 27 15.4549369632 +17 06 43.114203072           ~ 3 0

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