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WASP-120 b, WASP-122 b, AND WASP-123 b : three newly discovered planets from the WASP-South survey

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Date
06/2016
Author
Turner, O. D.
Anderson, D. R.
Cameron, Andrew Collier
Delrez, L.
Evans, D. F.
Gillon, M.
Hellier, C.
Jehin, E.
Lendl, M.
Maxted, P. F. L.
Pepe, F.
Pollacco, D.
Queloz, D.
Ségransan, D.
Smalley, B.
Smith, A. M. S.
Triaud, A. H. M. J.
Udry, S.
West, R. G.
Funder
Science & Technology Facilities Council
Grant ID
ST/M001296/1
Keywords
Planetary systems
Stars: individual (WASP-120, WASP-122, WASP-123)
QB Astronomy
QC Physics
NDAS
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Abstract
We present the discovery by the WASP-South survey of three planets transiting moderately bright stars (V ≈ 11). WASP-120 b is a massive (4.85 M Jup) planet in a 3.6-day orbit that we find likely to be eccentric (e={0.059}-0.018+0.025) around an F5 star. WASP-122 b is a hot Jupiter (1.28 M Jup, 1.74 R Jup) in a 1.7-day orbit about a G4 star. Our predicted transit depth variation caused by the atmosphere of WASP-122 b suggests it is well suited to characterization. WASP-123 b is a hot Jupiter (0.90M Jup, 1.32 R Jup) in a 3.0-day orbit around an old (∼7 Gyr) G5 star.
Citation
Turner , O D , Anderson , D R , Cameron , A C , Delrez , L , Evans , D F , Gillon , M , Hellier , C , Jehin , E , Lendl , M , Maxted , P F L , Pepe , F , Pollacco , D , Queloz , D , Ségransan , D , Smalley , B , Smith , A M S , Triaud , A H M J , Udry , S & West , R G 2016 , ' WASP-120 b, WASP-122 b, AND WASP-123 b : three newly discovered planets from the WASP-South survey ' , Publications of the Astronomical Society of the Pacific , vol. 128 , no. 964 , 64401 . https://doi.org/10.1088/1538-3873/128/964/064401
Publication
Publications of the Astronomical Society of the Pacific
Status
Peer reviewed
DOI
https://doi.org/10.1088/1538-3873/128/964/064401
ISSN
0004-6280
Type
Journal article
Rights
© 2016, Astronomical Society of the Pacific. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at iopscience.iop.org / https://dx.doi.org/10.1088/1538-3873/128/964/064401
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  • University of St Andrews Research
URL
http://adsabs.harvard.edu/abs/2016PASP..128f4401T
URI
http://hdl.handle.net/10023/10795

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