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Photometry and spectroscopy of the new sdBV CS 1246

Abstract:

We report the discovery of a large-amplitude oscillation in the hot subdwarf B star CS 1246 and present multicolour photometry and time-resolved spectroscopy supporting this discovery.We used the 0.41-m Panchromatic Robotic Optical Monitoring and Polarimetry Telescopes array to acquire data in the u', g', r' and i' filters simultaneously over three consecutive nights in 2009 April. These data reveal a single oscillation mode with a period of 371.707 ± 0.002 s and an amplitude dependent upon w...

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Publication status:
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Authors


Barlow, BN More by this author
Dunlap, BH More by this author
Clemens, JC More by this author
Lynas-Gray, AE More by this author
Ivarsen, KM More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
403
Issue:
1
Pages:
324-334
Publication date:
2010-03-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:2a2a54c8-129d-49fb-a696-0da8212ba399
Source identifiers:
202334
Local pid:
pubs:202334

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