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Discovery of water at high spectral resolution in the atmosphere of 51 Peg b

Abstract:

We report the detection of water absorption features in the day side spectrum of the first-known hot Jupiter, 51 Peg b, confirming the star–planet system to be a double-lined spectroscopic binary. We use high-resolution ($R\approx $ 100,000), $3.2\,\mu {\rm{m}}$ spectra taken with CRIRES/VLT to trace the radial-velocity shift of the water features in the planet's day side atmosphere during 4 hr of its 4.23 day orbit after superior conjunction. We detect the signature of molecular absorption b...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.3847/1538-3881/aa5c87

Authors


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Institution:
University of Oxford
Department:
PHYSICS
Sub department:
Astrophysics
Oxford college:
Brasenose College
Role:
Author
ORCID:
0000-0002-4125-0140
More by this author
Role:
Author
ORCID:
0000-0002-7704-0153
Publisher:
American Astronomical Society
Journal:
Astronomical Journal More from this journal
Volume:
153
Issue:
3
Pages:
138-138
Publication date:
2017-03-02
Acceptance date:
2017-01-24
DOI:
EISSN:
1538-3881
ISSN:
0004-6256
Language:
English
Keywords:
Pubs id:
1135524
Local pid:
pubs:1135524
Deposit date:
2020-09-29

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