Journal Article

JL 82: a slowly pulsating hot subdwarf star in a close binary system

C. Koen

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 395, issue 2, pages 979-984
Published in print May 2009 | ISSN: 0035-8711
Published online April 2009 | e-ISSN: 1365-2966 | DOI: https://dx.doi.org/10.1111/j.1365-2966.2009.14588.x
JL 82: a slowly pulsating hot subdwarf star in a close binary system

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JL 82 is a known binary, consisting of an sdB star and a companion which is not directly observable in the optical. Photometric measurements reported in this paper show it to variable with both the binary period (∼0.75 d), as well as on much shorter time-scales. The shorter periods are ascribed to pulsation of the sdB star, making it a member of the PG 1716 class of pulsating stars.

Keywords: binaries: close; stars: individual: JL 82; stars: oscillations; subdwarfs; stars: variables: other

Journal Article.  3925 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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