2000ApJ...544..686L

Query : 2000ApJ...544..686L

2000ApJ...544..686L - Astrophys. J., 544, 686-701 (2000/December-1)

A powerful radio halo in the hottest known cluster of galaxies 1E 0657-56.

LIANG H., HUNSTEAD R.W., BIRKINSHAW M. and ANDREANI P.

Abstract (from CDS):

We report the detection of a diffuse radio halo source in the hottest known cluster of galaxies 1E 0657-56 (RX J0658-5557). The radio halo has a morphology similar to the X-ray emission from the hot intracluster medium. The presence of a luminous radio halo in such a hot cluster is further evidence for a steep correlation between the radio halo power and the X-ray temperature. We favor models for the origin of radio halo sources involving a direct connection between the X-ray emitting thermal particles and the radio emitting relativistic particles.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Cosmic Microwave Background - galaxies: clusters: individual (1E 0657-56 = RX J0658-5557) - Galaxies: Intergalactic Medium - Radio Continuum: General - Techniques: Interferometric - X-Rays: General

Nomenclature: Fig.4, Table 2: [LHB2000] A (Nos A-H).

CDS comments: p. 688: Calibrator PKS B0742-56 not identified. Regions 1-3 used for flux density estimates not in SIMBAD.

Simbad objects: 17

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Number of rows : 17
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 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
2 [LHB2000] H Rad 06 58 16.6 -55 58 23           ~ 1 0
3 [LHB2000] G Rad 06 58 19.3 -55 58 43           ~ 1 0
4 [LHB2000] D Rad 06 58 23.4 -55 56 41           ~ 1 0
5 [LHB2000] F Rad 06 58 24.3 -55 55 13           ~ 1 0
6 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
7 [LHB2000] E Rad 06 58 27.2 -55 56 08           ~ 1 0
8 [LHB2000] B Rad 06 58 34.1 -55 57 54           ~ 1 0
9 [LHB2000] A Rad 06 58 37.9 -55 57 25           ~ 2 0
10 [LHB2000] C Rad 06 58 42.2 -55 58 37           ~ 1 0
11 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
12 NAME Coma C Rad 12 59.3 +27 47           ~ 58 1
13 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
14 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 577 0
15 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
16 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 827 1
17 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2

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