Astronomy and Astrophysics – Astrophysics
Scientific paper
1998-06-19
Astronomy and Astrophysics
Astrophysics
1 LaTex file plus 15 figures; accepted for publication in Monthly Notices of the Royal Astronomical Society
Scientific paper
10.1046/j.1365-8711.1998.01914.x
We report the results of our final search for hot white dwarfs in unresolved, Sirius-type, binary systems with IUE. One new system, RE J0500-364 (DA+F6/7V), has been identified. This star appears to lie at a distance of between 500-1000pc, making it one of the most distant white dwarfs, if not the most distant, to be detected in the EUV surveys. The very low line-of-sight neutral hydrogen volume density to this object could place a lower limit on the length of the Beta CMa interstellar tunnel of diffuse gas, which stretches away from the Local Bubble in a similar direction to RE J0500-364.
Barstow Martin Adrian
Burleigh Matthew R.
Holberg Jay Brian
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