Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000mnras.317..343w&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 317, Issue 2, pp. 343-347.
Astronomy and Astrophysics
Astronomy
8
Accretion, Accretion Discs, Binaries: Close, Stars: Individual: Rej1255+266, Stars: Low-Mass, Brown Dwarfs, Novae, Cataclysmic Variables, X-Rays: Stars
Scientific paper
We present a previously unpublished ROSAT Wide Field Camera observation of the transient source REJ1255+266 made just 4d before the discovery observations. The source is not detected, limiting the duration of the outburst to be less than expected for a superoutburst of a WZ Sge system. We also present a marginal detection of X-ray emission from REJ1255+266 using ASCA. The most probable luminosity is 6×1029ergs-1, which is very similar to WZ Sge itself. We discuss the nature of the source in the light of these observations, and conclude that it is most probably a WZ Sge system, but that the observed outburst must have been a normal dwarf nova outburst.
Burleigh Matthew R.
Watson Michael G.
Wheatley Peter J.
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