WASP-157b, a Transiting Hot Jupiter Observed with K2

[en] We announce the discovery of the transiting hot Jupiter WASP-157b in a 3.95-d orbit around a V = 12.9 G2 main-sequence star. This moderately inflated planet has a Saturn-like density with a mass of $0.57 \pm 0.10$ M$_{\rm Jup}$ and a radius of $1.06 \pm 0.05$ R$_{\rm Jup}$. We do not detect any rotational or phase-curve modulations, nor the secondary eclipse, with conservative semi-amplitude upper limits of 250 and 20 ppm, respectively.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Močnik, T.

Anderson, D. R.

Brown, D. J. A.

Collier Cameron, A.

Delrez, Laetitia ; Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)

Gillon, Michaël ; Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)

Hellier, C.

Jehin, Emmanuel ; Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)

Lendl, M.

Maxted, P. F. L.

More authors (10 more)

Language :

English

Title :

WASP-157b, a Transiting Hot Jupiter Observed with K2

Publication date :

01 December 2016

Journal title :

Publications of the Astronomical Society of the Pacific

ISSN :

0004-6280

eISSN :

1538-3873

Publisher :

University of Chicago Press for the Astronomical Society of the Pacific, Chicago, United States - Illinois

Volume :

970

Pages :

124403

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://adsabs.harvard.edu/abs/2016arXiv160305638M

Commentary :

6 pages, 5 figures and 4 tables. Accepted for publication in PASP

Available on ORBi :

since 09 September 2016

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