2000MNRAS.317..105W

Query : 2000MNRAS.317..105W

2000MNRAS.317..105W - Mon. Not. R. Astron. Soc., 317, 105-110 (2000/September-1)

A spectroscopic study of NGC 6251 and its companion galaxies.

WERNER P.N., WORRALL D.M. and BIRKINSHAW M.

Abstract (from CDS):

Measurements of the velocities of galaxies thought to be associated with the giant radio galaxy NGC 6251 confirm the presence of a poor cluster with a systemic redshift of {formmu1} and a line-of-sight velocity dispersion of σz=283(+109,-52)km.s–1. This suggests a cluster atmosphere temperature of T=0.7(+0.6,-0.2)keV, which is not enough to confine the radio jet by gas pressure. The core of NGC 6251 shows strong emission lines of [Oiii] and Hα+[Nii], but there is no evidence for line emission from the jet (detected in optical continuum by Keel).

Abstract Copyright: 2000, Royal Astronomical Society

Journal keyword(s): galaxies: clusters: individual: Zw 1609.0+8212 (read: ZwCl 1609+8212) - galaxies: distances and redshifts - galaxies: individual: NGC 6251

Nomenclature: Table 1: [WWB2000] NNa (Nos 1-13, 6a-6b, 11a-11b).

Simbad objects: 22

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Number of rows : 22
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 IC 119 GiG 01 27 55.0022144088 -02 02 25.613304432   15.0       ~ 25 0
2 UGC 1046 AG? 01 28 05.47 +38 12 54.6   15.7       ~ 12 0
3 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7190 3
4 IC 1139 GiC 15 29 26.1048649224 +82 35 02.145649956   15.6       ~ 11 0
5 IC 1143 GiG 15 30 56.1461932992 +82 27 20.785608972   14.7       ~ 27 0
6 ZwCl 1609+8212 ClG 16 04.5 +82 04           ~ 9 0
7 MCG+14-08-005 GiG 16 22 52.7864894472 +82 23 30.505716420   15.7       ~ 11 0
8 UGC 10431 GiC 16 25 24.965 +81 47 41.11   16.5       ~ 6 0
9 [WWB2000] 6a GiC 16 28 34.6 +82 53 16           ~ 1 0
10 [WWB2000] 6b GiC 16 28 34.6 +82 53 16           ~ 1 0
11 UGC 10471 B GiC 16 30 28.5 +81 33 44           ~ 2 0
12 UGC 10471 A GiC 16 30 28.5 +81 33 44           ~ 2 0
13 NGC 6251 Sy2 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 727 0
14 NAME NGC 6251 Group ClG 16 32 32.3 +82 32 15           ~ 5 1
15 NGC 6252 GiC 16 32 40.5257604072 +82 34 36.488889732   15.1       ~ 21 0
16 2MASX J16324513+8233245 GiC 16 32 45.0177236856 +82 33 24.396369732           ~ 1 0
17 2MASX J16371177+8200223 GiC 16 37 11.774 +82 00 22.30   15.1       ~ 7 0
18 2MASX J16385462+8141099 GiC 16 38 54.6231605064 +81 41 09.894267960   15.6       ~ 6 0
19 UGC 10581 GiC 16 43 33.48 +82 37 12.9   17       ~ 7 0
20 ACO 2247 ClG 16 47 22 +81 34.0           ~ 58 0
21 UGC 10604 GiC 16 47 56.4266532792 +81 50 33.309661812   15.7       ~ 13 0
22 NGC 7619 GiG 23 20 14.524 +08 12 22.63   12.7       ~ 449 0

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