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Pinning down the mass of Kepler-10c: the importance of sampling and model comparison

Abstract:

Initial RV characterisation of the enigmatic planet Kepler-10c suggested a mass of $\sim17$ M$_\oplus$, which was remarkably high for a planet with radius $2.32$ R$_\oplus$; further observations and subsequent analysis hinted at a (possibly much) lower mass, but masses derived using RVs from two different spectrographs (HARPS-N and HIRES) were incompatible at a $3\sigma$-level. We demonstrate here how such mass discrepancies may readily arise from sub-optimal sampling and/or neglecting to mod...

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

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Publisher copy:
10.1093/mnrasl/slx116

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More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Astrophysics
Role:
Author
ORCID:
0000-0001-7576-6703
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Astrophysics
Oxford college:
All Souls College
Role:
Author
ORCID:
0000-0003-1453-0574
Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society: Letters Journal website
Volume:
471
Issue:
1
Pages:
L125-L130
Publication date:
2017-07-22
Acceptance date:
2017-07-19
DOI:
EISSN:
1745-3933
ISSN:
1745-3925
Pubs id:
pubs:709938
URN:
uri:67f661ed-b1c6-4f36-86de-e2cf521f7616
UUID:
uuid:67f661ed-b1c6-4f36-86de-e2cf521f7616
Local pid:
pubs:709938
Paper number:
1

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