SIMBAD references

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

A spectroscopic study of NGC 6251 and its companion galaxies.


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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