The eclipsing P Cygni-type star R 81 in the LMC

Details The eclipsing P Cygni-type star R 81 in the LMC The eclipsing P Cygni-type star R 81 in the LMC

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aspc..233..163t&link_type=abstract

P Cygni 2000: 400 Years of Progress, ASP Conference Proceeding Vol. 233, Edited by M. de Groot and C. Sterken, San Francisco: As

Astronomy and Astrophysics

Astronomy

1

Scientific paper

R 81, the only known P Cygni-type star in an eclipsing binary system has been monitored spectroscopically and photometrically for almost 3 months. Based on these data we derive orbital and stellar parameters for this system. R 81 is probably a semi-detached binary with strong interaction. The primary shows strong quasi-periodic non-radial pulsations. The nature of the companion is hard to determine because it is embedded in an extended envelope.

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