Livingston, John H., Dai, Fei, Hirano, Teruyuki, Gandolfi, Davide ORCID: 0000-0001-8627-9628, Nowak, Grzegorz, Endl, Michael, Velasco, Sergio ORCID: 0000-0002-4170-0789, Fukui, Akihiko ORCID: 0000-0002-4909-5763, Narita, Norio, Prieto-Arranz, Jorge, Barragan, Oscar ORCID: 0000-0003-0563-0493, Cusano, Felice ORCID: 0000-0003-2910-6565, Albrecht, Simon, Cabrera, Juan ORCID: 0000-0001-6653-5487, Cochran, William D., Csizmadia, Szilard, Deeg, Hans J., Eigmueller, Philipp, Erikson, Anders, Fridlund, Malcolm ORCID: 0000-0002-0855-8426, Grziwa, Sascha, Guenther, Eike W., Hatzes, Artie P., Kawauchi, Kiyoe, Korth, Judith ORCID: 0000-0002-0076-6239, Nespral, David, Palle, Enric, Paetzold, Martin, Persson, Carina M., Rauer, Heike, Smith, Alexis M. S., Tamura, Motohide, Tanaka, Yusuke, Van Eylen, Vincent ORCID: 0000-0001-5542-8870, Watanabe, Noriharu and Winn, Joshua N. (2018). Three Small Planets Transiting a Hyades Star. Astron. J., 155 (3). BRISTOL: IOP PUBLISHING LTD. ISSN 1538-3881

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Abstract

We present the discovery of three small planets transiting K2-136 (LP 358 348, EPIC 247589423), a late K dwarf in the Hyades. The planets have orbital periods of 7.9757 +/- 0.0011, 17.30681(-0.00036)(+0.00034), and 25.5715(-0.0040)(+0.0038) days , and radii of 1.05 +/- 0.16, 3.14 +/- 0.36, and 1.55(-0.21)(+0.24) R-circle plus, respectively. With an age of 600-800 Myr, these planets are some of the smallest and youngest transiting planets known. Due to the relatively bright (J = 9.1) host star, the planets are compelling targets for future characterization via radial velocity mass measurements and transmission spectroscopy. As the first known star with multiple transiting planets in a cluster, the system should be helpful for testing theories of planet formation and migration.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Livingston, John H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dai, FeiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hirano, TeruyukiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gandolfi, DavideUNSPECIFIEDorcid.org/0000-0001-8627-9628UNSPECIFIED
Nowak, GrzegorzUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Endl, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Velasco, SergioUNSPECIFIEDorcid.org/0000-0002-4170-0789UNSPECIFIED
Fukui, AkihikoUNSPECIFIEDorcid.org/0000-0002-4909-5763UNSPECIFIED
Narita, NorioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Prieto-Arranz, JorgeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barragan, OscarUNSPECIFIEDorcid.org/0000-0003-0563-0493UNSPECIFIED
Cusano, FeliceUNSPECIFIEDorcid.org/0000-0003-2910-6565UNSPECIFIED
Albrecht, SimonUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cabrera, JuanUNSPECIFIEDorcid.org/0000-0001-6653-5487UNSPECIFIED
Cochran, William D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Csizmadia, SzilardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Deeg, Hans J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eigmueller, PhilippUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Erikson, AndersUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fridlund, MalcolmUNSPECIFIEDorcid.org/0000-0002-0855-8426UNSPECIFIED
Grziwa, SaschaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Guenther, Eike W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hatzes, Artie P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kawauchi, KiyoeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korth, JudithUNSPECIFIEDorcid.org/0000-0002-0076-6239UNSPECIFIED
Nespral, DavidUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Palle, EnricUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paetzold, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Persson, Carina M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rauer, HeikeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Smith, Alexis M. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tamura, MotohideUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tanaka, YusukeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Van Eylen, VincentUNSPECIFIEDorcid.org/0000-0001-5542-8870UNSPECIFIED
Watanabe, NoriharuUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Winn, Joshua N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-193151
DOI: 10.3847/1538-3881/aaa841
Journal or Publication Title: Astron. J.
Volume: 155
Number: 3
Date: 2018
Publisher: IOP PUBLISHING LTD
Place of Publication: BRISTOL
ISSN: 1538-3881
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Externe Einrichtungen > An-Institute > Associated Institutes of the Faculty of Mathematics and Natural Sciences > Rhenish Institute for Environmental Research - RIU
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
OPEN CLUSTERS; SUPER-EARTH; TIMING VARIATIONS; RADIAL-VELOCITY; SPACED DATA; SYSTEM; TIME; KEPLER; DWARF; TAURIMultiple languages
Astronomy & AstrophysicsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/19315

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