2000ApJ...535..615B


Query : 2000ApJ...535..615B

2000ApJ...535..615B - Astrophys. J., 535, 615-620 (2000/June-1)

Extreme ultraviolet explorer observations of clusters of galaxies: Virgo and M87.

BERGHOEFER T.W., BOWYER S. and KORPELA E.

Abstract (from CDS):

We present results of a reanalysis of archival Extreme Ultraviolet Explorer (EUVE) data of the central region of the Virgo Cluster. We employ the new analysis method developed by Bowyer, Berghöfer, & Korpela and find diffuse emission reaching out to a distance of ~13'. The spatial distribution of this flux is incompatible with a thermal plasma origin. We investigate whether this emission is due to inverse Compton scattering of relativistic electrons against the 3 K blackbody background. We show that this emission cannot be produced by an extrapolation to lower energies of the observed synchrotron radio-emitting electrons, and an additional component of low-energy relativistic electrons is required. In addition to discussing the diffuse EUV emission, we present an analysis of the EUV emission originating from the jet in M87.

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Journal keyword(s): galaxies: clusters: individual (Virgo) - Galaxies: Intergalactic Medium - Ultraviolet: Galaxies

Simbad objects: 5

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Number of rows : 5
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 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
2 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
3 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
4 ACO 1795 ClG 13 48 47.4 +26 34 55           ~ 1330 0
5 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1

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