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Statistics of stellar variability from Kepler : I. Revisiting Quarter 1 with an astrophysically robust systematics correction

Abstract:

We investigate the variability properties of main sequence stars in the first month of Kepler data, using a new astrophysically robust systematics correction, and find that 60% of stars are more variable then the active Sun. We define low and high variability samples, with a cut corresponding to twice the variability level of the active Sun, and compare the properties of the stars belonging to each sample. We show tentative evidence that the more active stars have lower proper motions and may...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1051/0004-6361/201016148

Authors


McQuillan, A More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Publisher:
EDP Sciences Publisher's website
Journal:
Astronomy and Astrophysics Journal website
Volume:
539
Pages:
A137-A137
Publication date:
2012
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:fd1b9a1d-8e91-4546-89ec-a68aca280fc2
Source identifiers:
319067
Local pid:
pubs:319067

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