2013A&A...554A.114H


Query : 2013A&A...554A.114H

2013A&A...554A.114H - Astronomy and Astrophysics, volume 554A, 114-114 (2013/6-1)

KOI-200 b and KOI-889 b: two transiting exoplanets detected and characterized with Kepler, SOPHIE, and HARPS-N.

HEBRARD G., ALMENARA J.-M., SANTERNE A., DELEUIL M., DAMIANI C., BONOMO A.S., BOUCHY F., BRUNO G., DIAZ R.F., MONTAGNIER G. and MOUTOU C.

Abstract (from CDS):

We present the detection and characterization of the two new transiting, close-in, giant extrasolar planets KOI-200b and KOI-889b. They were first identified by the Kepler team as promising candidates from photometry of the Kepler satellite; we then established their planetary nature thanks to the radial velocity follow-up jointly secured with the spectrographs SOPHIE and HARPS-N. Combined analyses of the whole datasets allow the two planetary systems to be characterized. The planet KOI-200b has mass and radius of 0.68±0.09MJup and 1.32±0.14RJup; it orbits in 7.34-days a F8V host star with mass and radius of 1.40+0.14–0.11M and 1.51±0.14R. The planet KOI-889b is a massive planet with mass and radius of 9.9±0.5MJup and 1.03±0.06RJup; it orbits in 8.88 days an active G8V star with a rotation period of 19.2±0.3-days, and mass and radius of 0.88±0.06M and 0.88±0.04R. Both planets lie on eccentric orbits and are located just at the frontier between regimes where tides can explain circularization and where tidal effects are negligible. The two planets are among the first detected and characterized thanks to observations secured with HARPS-N, the new spectrograph recently mounted at the Telescopio Nazionale Galileo. These results illustrate the benefits that could be obtained from joint studies using two spectrographs as SOPHIE and HARPS-N.

Abstract Copyright:

Journal keyword(s): planets and satellites: detection - techniques: photometric - techniques: radial velocities - techniques: spectroscopic - stars: individual: KOI-200 (Kepler-74) - stars: individual: KOI-889 (Kepler-75)

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 HD 16031 PM* 02 34 11.0485653360 -12 23 03.444110700 9.99 10.21 9.77     F0V 169 1
2 CoRoT-4b Pl 06 48 46.7134456728 -00 40 21.969631416           ~ 67 1
3 CoRoT-14b Pl 06 53 41.8087553160 -05 32 09.683309760           ~ 39 1
4 HD 147506b Pl 16 20 36.3576063720 +41 02 53.106772488           ~ 254 1
5 Kepler-14b Pl 19 10 50.110176 +47 19 58.87632           ~ 61 1
6 Kepler-75b Pl 19 24 33.0185656152 +36 34 38.477691264           ~ 48 1
7 Kepler-75 Er* 19 24 33.0185656152 +36 34 38.477691264   16.237 15.353 15.258   ~ 63 1
8 Kepler-74b Pl 19 32 22.2086887440 +41 21 19.907283744           ~ 43 1
9 Kepler-74 Ro* 19 32 22.2086887440 +41 21 19.907283744   14.5 14.23 14.60 13.49 G4 52 1
10 Kepler-492 Er* 19 41 59.1967605000 +42 32 16.400455944   15.597 14.813 14.537   ~ 46 1
11 Qatar 1b Pl 20 13 31.6172746704 +65 09 43.492226796           ~ 79 1
12 HAT-P-17b Pl 21 38 08.7310010424 +30 29 19.446386748           ~ 83 1
13 WASP-59b Pl 23 18 29.5474746528 +24 53 21.438581712           ~ 33 1

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