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Transiting hot Jupiters from WASP-South, Euler and TRAPPIST : WASP-95b to WASP-101b

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Date
21/05/2014
Author
Hellier, Coel
Anderson, D. R.
Cameron, A. Collier
Delrez, L.
Gillon, M.
Jehin, E.
Lendl, M.
Maxted, P. F. L.
Pepe, F.
Pollacco, D.
Queloz, D.
Segransan, D.
Smalley, B.
Smith, A. M. S.
Southworth, J.
Triaud, A. H. M. J.
Udry, S.
West, R. G.
Funder
Science & Technology Facilities Council
Science & Technology Facilities Council
Grant ID
ST/J001651/1
PP/F000065/1
Keywords
Planetary systems
Light curves
B 2
Planet
Stars
Superwasp
Evolution
QB Astronomy
QC Physics
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Abstract
We report the discovery of the transiting exoplanets WASP-95b, WASP-96b, WASP-97b, WASP-98b, WASP-99b, WASP-100b andWASP-101b. All are hot Jupiters with orbital periods in the range 2.1-5.7 d, masses of 0.5-2.8 MJup and radii of 1.1-1.4 RJup. The orbits of all the planets are compatible with zero eccentricity. WASP-99b produces the shallowest transit yet found by WASP-South, at 0.4 per cent. The host stars are of spectral type F2-G8. Five have metallicities of [Fe/H] from -0.03 to +0.23, while WASP-98 has a metallicity of -0.60, exceptionally low for a star with a transiting exoplanet. Five of the host stars are brighter than V = 10.8, which significantly extends the number of bright transiting systems available for follow-up studies. WASP-95 shows a possible rotational modulation at a period of 20.7 d. We discuss the completeness of WASP survey techniques by comparing to the HATnet project.
Citation
Hellier , C , Anderson , D R , Cameron , A C , Delrez , L , Gillon , M , Jehin , E , Lendl , M , Maxted , P F L , Pepe , F , Pollacco , D , Queloz , D , Segransan , D , Smalley , B , Smith , A M S , Southworth , J , Triaud , A H M J , Udry , S & West , R G 2014 , ' Transiting hot Jupiters from WASP-South, Euler and TRAPPIST : WASP-95b to WASP-101b ' , Monthly Notices of the Royal Astronomical Society , vol. 440 , no. 3 , pp. 1982-1992 . https://doi.org/10.1093/mnras/stu410
Publication
Monthly Notices of the Royal Astronomical Society
Status
Peer reviewed
DOI
https://doi.org/10.1093/mnras/stu410
ISSN
0035-8711
Type
Journal article
Rights
© 2014 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society
Collections
  • University of St Andrews Research
URL
http://mnras.oxfordjournals.org/content/440/3/1982/suppl/DC1
URI
http://hdl.handle.net/10023/5374

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