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K2-30 b and K2-34 b : two inflated hot Jupiters around solar-type stars
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(2016) K2-30 b and K2-34 b : two inflated hot Jupiters around solar-type stars. Astronomy & Astrophysics, 594 . A50. doi:10.1051/0004-6361/201628204
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Official URL: http://dx.doi.org/10.1051/0004-6361/201628204
Abstract
We report the discovery of the two hot Jupiters K2-30 b and K2-34 b. The two planets were detected during campaigns 4 and 5 of the extension of the Kepler mission, K2; they transit their main-sequence stars with periods of ~4.099 and ~2.996 days. Subsequent ground-based radial velocity follow-up with SOPHIE, HARPS-N, and CAFE established the planetary nature of the transiting objects. We analyzed the transit signal, radial velocity, and spectral energy distributions of the two systems to characterize their properties. Both planets (K2-30 b and K2-34 b) are bloated hot Jupiters (1.20 RJup and 1.22 RJup) around relatively bright (V = 13.5 and V = 11.5) slow rotating main-sequence (G8 and F9) stars. Thus, these systems are good candidates for detecting the Rossiter-MacLaughlin effect in order to measure their obliquity and for atmospheric studies.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||||||
| Divisions: | Faculty of Science > Physics | ||||||||
| Library of Congress Subject Headings (LCSH): | Satellites, Planets, Astronomical photometry | ||||||||
| Journal or Publication Title: | Astronomy & Astrophysics | ||||||||
| Publisher: | EDP Sciences | ||||||||
| ISSN: | 0004-6361 | ||||||||
| Official Date: | 10 October 2016 | ||||||||
| Dates: |
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| Volume: | 594 | ||||||||
| Article Number: | A50 | ||||||||
| DOI: | 10.1051/0004-6361/201628204 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Funder: | Marie Skłodowska-Curie Actions, Seventh Framework Programme (European Commission) (FP7), Marie Curie Intra-European Fellowship (IEF), European Research Council (ERC), France. Agence nationale de la recherche (ANR), Fundação para a Ciência e a Tecnologia (FCT) (Portugal) | ||||||||
| Grant number: | AYA2012-38897-C02-01, FP7-PEOPLE-2013-IEF, 627202, 313014 ETAEARTH (FP7), 337591-ExTrA (ERC), 12-BS05-0012 "Exo-Atmos" (ANR), UID/FIS/04434/2013, POCI-01-0145-FEDER-007672, PTDC/FIS-AST, IF/00169/2012, IF/00028/2014, IF/01312/2014 |
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