Journal Article

PG 0907+123 and JL 194: slowly pulsating hot subdwarf stars

C. Koen and E. M. Green

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 406, issue 4, pages 2701-2712
Published in print August 2010 | ISSN: 0035-8711
Published online August 2010 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2010.16868.x
PG 0907+123 and JL 194: slowly pulsating hot subdwarf stars

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Multicolour time-series photometry of two newly discovered slowly pulsating sdB stars (V1093 Her stars, also known as PG 1716 stars) is described. Both stars are fairly bright and appear, from the limited amount of data, to have rich pulsation spectra. Given that the amplitudes of variation of both stars are also large compared to most PG 1716 stars, both are good candidates for extensive follow-up observations.

Keywords: stars: individual: PG 0907+123; stars: individual: JL 194; stars: oscillations; subdwarfs; stars: variables: general

Journal Article.  4080 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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