TWO HOT JUPITERS FROM K2 CAMPAIGN 4
Artikel i vetenskaplig tidskrift, 2016
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 coude 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(-0.023)(+0.032)). It has a radius of R-p = 1.000(-0.067)(+0.071) R-J and a mass of M-p = 0.6131-0.613-0.026 M-J. Its host star exhibits significant rotational variability, and we measure a rotation period of pot = 10.777 +/- 0.031 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-p = 1.039(-0.051)(+0.050) Ri and a mass of M-p = 0.579(-0.027)(+0.028) M-J. The star has a low metallicity for a hot Jupiter host, [Fe/H] = 0.15 +/- 0.05.
field
solar
tidal evolution
planets and satellites: individual (EPIC 211089792 b (K2-29 b)
stars: rotation
stars: fundamental parameters
v80
1981
eccentricity
planets and satellites: detection
mission
astrophysics and space science
raizys v
p353
kepler
systems
EPIC 210957318 b (K2-30 b))
planetary transit candidates
Astronomy & Astrophysics
exoplanets
stars
Författare
M. C. Johnson
The University of Texas at Austin
D. Gandolfi
Landessternwarte Heidelberg-Königstuhl
Universita degli Studi di Torino
Malcolm Fridlund
Chalmers, Rymd- och geovetenskap, Radioastronomi och astrofysik
S. Csizmadia
Deutsches Zentrums für Luft- und Raumfahrt (DLR)
M. Endl
The University of Texas at Austin
J. Cabrera
Deutsches Zentrums für Luft- und Raumfahrt (DLR)
W. D. Cochran
The University of Texas at Austin
H. J. Deeg
Instituto de Astrofísica de Canarias
Universidad de la Laguna
S. Grziwa
Universität zu Köln
I. Ramirez
The University of Texas at Austin
A. Hatzes
Thüringer Landessternwarte Tautenburg
Philipp Eigmüller
Deutsches Zentrums für Luft- und Raumfahrt (DLR)
O. Barragan
Universita degli Studi di Torino
A. Erikson
Deutsches Zentrums für Luft- und Raumfahrt (DLR)
E. W. Guenther
Thüringer Landessternwarte Tautenburg
J. Korth
Universität zu Köln
T. Kuutma
Nordic Optical Telescope
D. Nespral
Universidad de la Laguna
Instituto de Astrofísica de Canarias
M. Patzold
Universität zu Köln
E. Palle
Instituto de Astrofísica de Canarias
Universidad de la Laguna
J. Prieto-Arranz
Instituto de Astrofísica de Canarias
Universidad de la Laguna
H. Rauer
Deutsches Zentrums für Luft- und Raumfahrt (DLR)
Technische Universität Berlin
J. Saario
Nordic Optical Telescope
Astronomical Journal
0004-6256 (ISSN) 1538-3881 (eISSN)
Vol. 151 6 171Ämneskategorier
Astronomi, astrofysik och kosmologi
DOI
10.3847/0004-6256/151/6/171