Journal Article

FAUST observations of ultraviolet sources in the direction of Coma

Noah Brosch, Eran O. Ofek, Elhanan Almoznino, Timothy Sasseen, Michael Lampton and Stuart Bowyer

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 295, issue 4, pages 959-969
Published in print April 1998 | ISSN: 0035-8711
Published online April 1998 | e-ISSN: 1365-2966 | DOI:
FAUST observations of ultraviolet sources in the direction of Coma

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We analyse an ultraviolet observation toward the Coma cluster by means of the FAUST shuttle-borne telescope. We detect 56 candidate sources to a signal-to-noise ratio of 6.5. Most sources have optical counterparts in existing catalogues and are stars. 10 sources with no listed counterparts were observed at the Wise Observatory. We present identifications based on low-resolution spectrophotometry, and discuss the foreground stars and the galaxies, all in the foreground of the Coma cluster. The FAUST image yields a higher fraction of hot evolved stars than either of the North Galactic Pole or the Virgo regions, analysed previously. We identify these tentatively as cooling white dwarfs in the Coma Berenices (Mel 111) open cluster.

Keywords: white dwarfs; open clusters and associations: individual: Coma Berenices; galaxies: clusters: individual: Coma; ultraviolet: stars

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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