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K2-29 b/WASP-152 b : an aligned and inflated hot jupiter in a young visual binary
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(2016) K2-29 b/WASP-152 b : an aligned and inflated hot jupiter in a young visual binary. The Astrophysical Journal, 824 (1). 55. doi:10.3847/0004-637X/824/1/55
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Official URL: http://dx.doi.org/10.3847/0004-637X/824/1/55
Abstract
In the present paper we report the discovery of a new hot Jupiter, EPIC211089792 b, first detected by the Super-WASP observatory and then by the K2 space mission during its campaign 4. The planet has a period of 3.25d, a mass of 0.73±0.04 MX, and a radius of 1.19±0.02RX. The host star is a relatively bright (V=12.5) G7 dwarf with a nearby K5V companion. Based on stellar rotation and the abundance of Lithium, we find that the system might be as young as about 450 Myr. The observation of the Rossiter-McLaughlin effect shows the planet is aligned with respect to the stellar spin. Given the deep transit (20mmag), the magnitude of the star and the presence of a nearby stellar companion, the planet is a good target for both space- and ground-based transmission spectroscopy, in particular in the near-infrared where the both stars are relatively bright.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Alternative Title: | EPIC211089792 b : an aligned and inflated hot jupiter in a young visual binary | ||||||||
| Subjects: | Q Science > QB Astronomy | ||||||||
| Divisions: | Faculty of Science > Physics | ||||||||
| Library of Congress Subject Headings (LCSH): | Stars , Planets, Satellites | ||||||||
| Journal or Publication Title: | The Astrophysical Journal | ||||||||
| Publisher: | Institute of Physics Publishing, Inc. | ||||||||
| ISSN: | 0004-637X | ||||||||
| Official Date: | 10 June 2016 | ||||||||
| Dates: |
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| Volume: | 824 | ||||||||
| Number: | 1 | ||||||||
| Article Number: | 55 | ||||||||
| DOI: | 10.3847/0004-637X/824/1/55 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Funder: | Fundação para a Ciência e a Tecnologia (FCT) (Portugal), Marie Curie Intra-European Fellowship (IEF), Seventh Framework Programme (European Commission) (FP7) | ||||||||
| Grant number: | UID/FIS/04434/2013, POCI-01-0145-FEDER-007672, PTDC/CTE-AST/098528/2008, PTDC/FIS-AST/1526/2014, SFRH/BPD/76606/2011, SFRH/BPD/70574/2010, SFRH/BDP/71230/2010, IF/00169/2012, IF/00028/2014, IF/01312/2014, POPH/FSE (FCT), FP7-PEOPLE-2013-IEF, number 62720 |
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