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X-Ray Selected EUV Galaxies: A Quest for the Faintest Extragalactic EUV Sources

Published online by Cambridge University Press:  12 April 2016

Antonella Fruscione
Antonella Fruscione*
Affiliation:
Center for EUV Astrophysics, 2150 Kittredge Street, University of California, Berkeley, CA 94720-5030, USA

Abstract

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Using data from the public archive of the Extreme Ultraviolet Explorer (EUVE) all-sky survey, we have systematically searched for extreme ultraviolet (EUV) emission (58-174 Å, 0.07-0.21 keV) around approximately 2500 distinct positions in the sky corresponding to known X-ray emitting extragalactic sources. We find that 20 X-ray galaxies are EUV bright and were detected with significance above 4 σ during the EUVE survey: 8 are reported here for the first time (MS 0037.7−0156, Mrk 142, M 65, EXO 1128.1+6908, M 87, Mrk 507, PKS 2005–489 and 1H 2351−315.A). 68 additional galaxies are detected with a lower significance (3 < σ < 4), but the list is affected by a high percentage of spurious sources.

Type
II. Extragalactic Sources in the EUV
Information
International Astronomical Union Colloquium , Volume 152: Astrophysics in the Extreme Ultraviolet , 1996 , pp. 69 - 73
Copyright
Copyright © Kluwer 1996

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