K2-60b and K2-107b. A Sub-Jovian and a Jovian Planet from the K2 Mission

被引：20

作者：

Eigmueller, Philipp ^{[1
]}

Gandolfi, Davide ^{[2
,3
]}

Persson, Carina M. ^{[4
]}

Donati, Paolo ^{[5
]}

Fridlund, Malcolm ^{[4
,6
]}

Csizmadia, Szilard ^{[1
]}

Barragan, Oscar ^{[2
]}

Smith, Alexis M. S. ^{[1
]}

Cabrera, Juan ^{[1
]}

Korth, Judith ^{[7
]}

Grziwa, Sascha ^{[7
]}

Prieto-Arranz, Jorge ^{[8
,9
]}

Nespral, David ^{[8
,9
]}

Saario, Joonas ^{[10
]}

Cochran, William D. ^{[11
,12
]}

Cusano, Felice ^{[5
]}

Deeg, Hans J. ^{[8
,9
]}

Endl, Michael ^{[11
,12
]}

Erikson, Anders ^{[1
]}

Guenther, Eike W. ^{[13
]}

Hatzes, Artie P. ^{[13
]}

Paetzold, Martin ^{[7
]}

Rauer, Heike ^{[1
,14
]}

机构：

[1] German Aerosp Ctr, Inst Planetary Res, Rutherfordstr 2, D-12489 Berlin, Germany

[2] Univ Turin, Dipartimento Fis, Via P Giuria 1, I-10125 Turin, Italy

[3] Heidelberg Univ, Zentrum Astron, Landessternwarte Konigstuhl, Konigstuhl 12, D-69117 Heidelberg, Germany

[4] Chalmers, Onsala Space Observ, Dept Earth & Space Sci, SE-43992 Onsala, Sweden

[5] Osservatorio Astron Bologna, INAF, Via Ranzani 1, I-40127 Bologna, Italy

[6] Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands

[7] Univ Cologne, Rhein Inst Umweltforsch, Aachener Str 209, D-50931 Cologne, Germany

[8] Inst Astrofis Canarias, E-38205 Tenerife, Spain

[9] Univ La Laguna, Dept Astrofis, E-38206 San Cristobal la Laguna, Spain

[10] Nord Opt Telescope, Apartado 474, E-38700 Santa Cruz De La Palma, Spain

[11] Univ Texas Austin, Dept Astron, 2515 Speedway,Stop C1400, Austin, TX 78712 USA

[12] Univ Texas Austin, McDonald Observ, 2515 Speedway,Stop C1400, Austin, TX 78712 USA

[13] Thuringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenburg, Germany

[14] TU Berlin, Ctr Astron & Astrophys, Hardenbergstr 36, D-10623 Berlin, Germany

来源：

ASTRONOMICAL JOURNAL | 2017年 / 153卷 / 03期

关键词：

planetary systems; planets and satellites: detection; planets and satellites: gaseous planets; planets and satellites: individual (K2-60 b; K2-107; b); TRANSITING EXTRASOLAR PLANETS; Y-2; ISOCHRONES; AUTOMATIC CODE; LIGHT CURVES; HOT JUPITER; MASS; KEPLER; STARS; EXOPLANETS; DWARF;

D O I：

10.3847/1538-3881/aa5d0b

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the characterization and independent detection of K2-60b, as well as the detection and characterization of K2-107b, two transiting hot gaseous planets from the K2 space mission. We confirm the planetary nature of the two systems and determine their fundamental parameters combining the K2 time-series data with FIES @ NOT and HARPS-N @ TNG spectroscopic observations. K2-60b has a radius of 0.683 +/- 0.037 R-Jup and a mass of 0.426 +/- 0.037 M-Jup and orbits a G4 V star with an orbital period of 3.00267 +/- 0.00006 days. K2-107b has a radius of 1.44 +/- 0.15 R-Jup and a mass of 0.84 +/- 0.08 M-Jup and orbits an F9 IV star every 3.31392 +/- 0.00002 days. K2-60b is among the few planets at the edge of the so-called "desert" of short-period sub-Jovian planets. K2107b is a highly inflated Jovian planet orbiting an evolved star about to leave the main sequence.

引用

页数：8

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