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DETECTION OF PHOTOMETRIC VARIATIONS IN THE sdBV Star JL 166

Abstract:

We report the discovery of oscillations in the hot subdwarf B (sdB) star JL 166 from time-series photometry using the Goodman Spectrograph on the 4.1 m Southern Astrophysical Research Telescope. Previous spectroscopic and photometric observations place the star near the hot end of the empirical sdB instability strip and imply the presence of a cool companion. Amplitude spectra of the stellar light curve reveal at least 10 independent pulsation modes with periods ranging from 97 to 178 s and a...

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Publication status:
Published

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Publisher copy:
10.1088/0004-6256/138/2/686

Authors


Barlow, BN More by this author
Dunlap, BH More by this author
Lynas-Gray, AE More by this author
Clemens, JC More by this author
Journal:
ASTRONOMICAL JOURNAL
Volume:
138
Issue:
2
Pages:
686-690
Publication date:
2009-08-05
DOI:
EISSN:
1538-3881
ISSN:
0004-6256
URN:
uuid:3b1f1806-7de9-4e57-ae94-79b46449638d
Source identifiers:
202336
Local pid:
pubs:202336

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