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WASP-186 and WASP-187 : two hot Jupiters discovered by SuperWASP and SOPHIE with additional observations by TESS

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Schanche_2020_MNRAS_WASP_186.pdf (14.02Mb)
Date
11/2020
Author
Schanche, N
Hébrard, G
Collier Cameron, A
Dalal, S
Smalley, B
Wilson, T G
Boisse, I
Bouchy, F
Brown, D J A
Demangeon, O
Haswell, C A
Hellier, C
Kolb, U C
Lopez, T
Maxted, P F L
Pollacco, D L
West, R G
Wheatley, P J
Keywords
Planets and satellites: detection
Planets and satellites: individual: WASP-186b
Planets and satellites: individual: WASP-187b
QC Physics
QB Astronomy
DAS
Metadata
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Abstract
We present the discovery of two new hot Jupiters identified from the Wide-Angle Search for Planets (WASP) survey, WASP-186b and WASP-187b (TOI-1494.01 and TOI-1493.01). Their planetary nature was established from SOPHIE spectroscopic observations, and additional photometry was obtained from Transiting Exoplanet Survey Satellite. Stellar parameters for the host stars are derived from spectral line, infrared flux method, and isochrone placement analyses. These parameters are combined with the photometric and radial velocity data in a Markov chain Monte Carlo method to determine the planetary properties. WASP-186b is a massive Jupiter (4.22 ± 0.18 MJ, 1.11 ± 0.03 RJ) orbiting a mid-F star on a 5.03-d eccentric (e = 0.327 ± 0.008) orbit. WASP-187b is a low-density (0.80 ± 0.09 MJ, 1.64 ± 0.05 RJ) planet in a 5.15-d circular orbit around a slightly evolved early F-type star.
Citation
Schanche , N , Hébrard , G , Collier Cameron , A , Dalal , S , Smalley , B , Wilson , T G , Boisse , I , Bouchy , F , Brown , D J A , Demangeon , O , Haswell , C A , Hellier , C , Kolb , U C , Lopez , T , Maxted , P F L , Pollacco , D L , West , R G & Wheatley , P J 2020 , ' WASP-186 and WASP-187 : two hot Jupiters discovered by SuperWASP and SOPHIE with additional observations by TESS ' , Monthly Notices of the Royal Astronomical Society , vol. 499 , no. 1 , pp. 428-440 . https://doi.org/10.1093/mnras/staa2848
Publication
Monthly Notices of the Royal Astronomical Society
Status
Peer reviewed
DOI
https://doi.org/10.1093/mnras/staa2848
ISSN
0035-8711
Type
Journal article
Rights
© 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1093/mnras/staa2848
Description
NS acknowledges the support of NPRP grant #X-019-1-006 from the Qatar National Research Fund (a member of Qatar Foundation). ACC acknowledges support from the Science and Technology Facilities Council (STFC) consolidated grant number ST/R000824/1 and United Kingdom Space Agency (UKSA) grant ST/R003203/1. CAH and UCK are supported by STFC under consolidated grant ST/T000295/1. DLP, RGW, and PJW have been supported by STFC consolidated grants ST/P000495/1 and ST/T000406/1. This work was supported by the Swiss National Science Foundation (SNSF). This paper includes data collected by the TESS mission. Funding for the TESS mission is provided by the NASA Explorer Program.
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URI
http://hdl.handle.net/10023/21192

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