Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

TWO HOT JUPITERS from K2 CAMPAIGN 4

Johnson, Marshall C. ; Gandolfi, Davide ; Fridlund, Malcolm ; Csizmadia, Szilard ; Endl, Michael ; Cabrera, Juan ; Cochran, William D. ; Deeg, Hans J. ; Grziwa, Sascha and Ramírez, Ivan , et al. (2016) In Astronomical Journal 151(6).
Abstract

We confirm the planetary nature of two transiting hot Jupiters discovered by the Kepler spacecraft's K2 extended mission in its Campaign 4, using precise radial velocity measurements from FIES@NOT, HARPS-N@TNG, and the coudé spectrograph on the McDonald Observatory 2.7 m telescope. K2-29 b (EPIC 211089792b) transits a K1V star with a period of 3.2589263 ± 0.0000015 days; its orbit is slightly eccentric (e=0.084+0.032 -0.051). It has a radius of RJ and a mass of MJ. Its host star exhibits significant rotational variability, and we measure a rotation period of days. K2-30 b (EPIC 210957318 b) transits a G6V star with a period of 4.098503 ± 0.000011 days. It has a... (More)

We confirm the planetary nature of two transiting hot Jupiters discovered by the Kepler spacecraft's K2 extended mission in its Campaign 4, using precise radial velocity measurements from FIES@NOT, HARPS-N@TNG, and the coudé spectrograph on the McDonald Observatory 2.7 m telescope. K2-29 b (EPIC 211089792b) transits a K1V star with a period of 3.2589263 ± 0.0000015 days; its orbit is slightly eccentric (e=0.084+0.032 -0.051). It has a radius of RJ and a mass of MJ. Its host star exhibits significant rotational variability, and we measure a rotation period of days. K2-30 b (EPIC 210957318 b) transits a G6V star with a period of 4.098503 ± 0.000011 days. It has a radius of RJ and a mass of MJ. The star has a low metallicity for a hot Jupiter host, [Fe/H] = -0.15 ± 0.05.

(Less)
Please use this url to cite or link to this publication:
author
; ; ; ; ; ; ; ; and , et al. (More)
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and (Less)
publishing date
type
Contribution to journal
publication status
published
keywords
planets and satellites: detection, planets and satellites: individual (EPIC 211089792 b (K2-29 b), EPIC 210957318 b (K2-30 b)), stars: fundamental parameters, stars: rotation
in
Astronomical Journal
volume
151
issue
6
article number
171
publisher
IOP Publishing
external identifiers
  • scopus:84975889765
ISSN
0004-6256
DOI
10.3847/0004-6256/151/6/171
language
English
LU publication?
no
additional info
Publisher Copyright: © 2016. The American Astronomical Society. All rights reserved.
id
2c71056d-89e3-474b-bdf7-48d35d527c69
date added to LUP
2023-02-03 09:37:39
date last changed
2023-02-20 16:26:23
@article{2c71056d-89e3-474b-bdf7-48d35d527c69,
  abstract     = {{<p>We confirm the planetary nature of two transiting hot Jupiters discovered by the Kepler spacecraft's K2 extended mission in its Campaign 4, using precise radial velocity measurements from FIES@NOT, HARPS-N@TNG, and the coudé spectrograph on the McDonald Observatory 2.7 m telescope. K2-29 b (EPIC 211089792b) transits a K1V star with a period of 3.2589263 ± 0.0000015 days; its orbit is slightly eccentric (e=0.084<sup>+0.032</sup>                             <sub>-0.051</sub>). It has a radius of R<sub>J</sub> and a mass of M<sub>J</sub>. Its host star exhibits significant rotational variability, and we measure a rotation period of days. K2-30 b (EPIC 210957318 b) transits a G6V star with a period of 4.098503 ± 0.000011 days. It has a radius of R<sub>J</sub> and a mass of M<sub>J</sub>. The star has a low metallicity for a hot Jupiter host, [Fe/H] = -0.15 ± 0.05.</p>}},
  author       = {{Johnson, Marshall C. and Gandolfi, Davide and Fridlund, Malcolm and Csizmadia, Szilard and Endl, Michael and Cabrera, Juan and Cochran, William D. and Deeg, Hans J. and Grziwa, Sascha and Ramírez, Ivan and Hatzes, Artie P. and Eigmüller, Philipp and Barragán, Oscar and Erikson, Anders and Guenther, Eike W. and Korth, Judith and Kuutma, Teet and Nespral, David and Pätzold, Martin and Palle, Enric and Prieto-Arranz, Jorge and Rauer, Heike and Saario, Joonas}},
  issn         = {{0004-6256}},
  keywords     = {{planets and satellites: detection; planets and satellites: individual (EPIC 211089792 b (K2-29 b), EPIC 210957318 b (K2-30 b)); stars: fundamental parameters; stars: rotation}},
  language     = {{eng}},
  number       = {{6}},
  publisher    = {{IOP Publishing}},
  series       = {{Astronomical Journal}},
  title        = {{TWO HOT JUPITERS from K2 CAMPAIGN 4}},
  url          = {{http://dx.doi.org/10.3847/0004-6256/151/6/171}},
  doi          = {{10.3847/0004-6256/151/6/171}},
  volume       = {{151}},
  year         = {{2016}},
}