Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...535..615b&link_type=abstract
The Astrophysical Journal, Volume 535, Issue 2, pp. 615-620.
Astronomy and Astrophysics
Astronomy
40
Galaxies: Clusters: Individual (Virgo), Galaxies: Intergalactic Medium, Ultraviolet: Galaxies
Scientific paper
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.
Berghöfer Thomas W.
Bowyer Stuart
Korpela Eric
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