FUSE Observations of the Young Pre-IP Candidate HS1136+6646

Details FUSE Observations of the Young Pre-IP Candidate HS1136+6646 FUSE Observations of the Young Pre-IP Candidate HS1136+6646

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..348..236s&link_type=abstract

Astrophysics in the Far Ultraviolet: Five Years of Discovery with FUSE ASP Conference Series, Vol. 348, Proceedings of the Confe

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

FUSE Observations of the post-common envelope (CE) pre-cataclysmic variable (CV) binary HS1136+6646 have revealed a pre-intermediate polar (IP) candidate. These UV observations have made it possible to accurately measure the system parameters of the binary system which previously could only be estimated using optical data. Radial velocity measurements over an entire orbital cycle have revealed the binary system to contain a 0.83 M&sun; white dwarf primary with a gravitational redshift of 45 km s-1. The mass of the secondary star and inclination of the system has also been determined to be 0.36 M&sun; and 71.8° respectively. With the white dwarf suspected of possessing a moderate magnetic field, this binary system is among the only suspected pre-CV systems to be a pre-intermediate polar candidate.

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