2015A&A...579A..55B


C.D.S. - SIMBAD4 rel 1.7 - 2019.12.06CET19:57:53

2015A&A...579A..55B - Astronomy and Astrophysics, volume 579A, 55-55 (2015/7-1)

SOPHIE velocimetry of Kepler transit candidates. XVI. Tomographic measurement of the low obliquity of KOI-12b, a warm Jupiter transiting a fast rotator.

BOURRIER V., LECAVELIER DES ETANGS A., HEBRARD G., SANTERNE A., DELEUIL M., ALMENARA J.M., BARROS S.C.C., BOISSE I., BONOMO A.S., BRUNO G., COURCOL B., DIAZ R.F., MONTAGNIER G. and MOUTOU C.

Abstract (from CDS):

We present the detection and characterization of the transiting warm Jupiter KOI-12b, first identified with Kepler with an orbital period of 17.86 days. We combine the analysis of Kepler photometry with Doppler spectroscopy and line-profile tomography of time-series spectra obtained with the SOPHIE spectrograph to establish its planetary nature and derive its properties. To derive reliable estimates for the uncertainties on the tomographic model parameters, we devised an empirical method of calculating statistically independent error bars on the time-series spectra. KOI-12b has a radius of 1.43±0.13RJup and a 3σ upper mass limit of 10MJup. It orbits a fast-rotating star (vsini* =60.0±0.9km/s) with mass and radius of 1.45±0.09M and 1.63±0.15R, located at 426±40pc from the Earth. Doppler tomography allowed higher precision on the obliquity to be reached by comparison with analysis of the Rossiter-McLaughlin radial velocity anomaly, and we find that KOI-12b lies on a prograde, slightly misaligned orbit with low sky-projected obliquity λ=12.6+3.0–2.9°. The properties of this planetary system, with a 11.4mag host star, make of KOI-12b a precious target for future atmospheric characterization.

Abstract Copyright:

Journal keyword(s): planetary systems - stars: individual: KOI-12 - techniques: photometric - techniques: radial velocities - techniques: spectroscopic

Simbad objects: 21

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Number of rows : 21

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 WASP-32 * 00 15 50.8077849942 +01 12 01.586829951   12.06 11.26 11.63 10.89 ~ 31 1
2 HAT-P-32b Pl 02 04 10.2775457769 +46 41 16.210382751           ~ 78 1
3 HD 15082 dS* 02 26 51.0582746497 +37 33 01.737746137   8.41 8.14     kA5hA8mF4 127 1
4 HD 15082b Pl 02 26 51.0582746497 +37 33 01.737746137           ~ 157 1
5 HD 17156b Pl 02 49 44.4866941172 +71 45 11.632197644           ~ 156 1
6 KELT-7b Pl? 05 13 10.9287552017 +33 19 05.403226195           ~ 23 0
7 HD 80606b Pl 09 22 37.5769478105 +50 36 13.434928660           ~ 266 1
8 HD 80606 PM* 09 22 37.5769478105 +50 36 13.434928660   9.78 9.00     G5 282 2
9 HD 80607 PM* 09 22 39.7367015092 +50 36 13.952617706   9.937 9.070     G5 78 2
10 HD 147506b Pl 16 20 36.3579144486 +41 02 53.109043943           ~ 207 1
11 WASP-3 ** 18 34 31.6255913635 +35 39 41.489193276   11.07 10.63 10.52   F7V 106 1
12 CoRoT-11b Pl 18 42 44.9499508376 +05 56 15.652163640           ~ 35 1
13 KOI-806 Ro* 19 01 08.0746750853 +38 56 50.218666290   16.50   15.95 14.55 ~ 115 4
14 Kepler-30d Pl 19 01 08.0746750853 +38 56 50.218666290           ~ 47 1
15 Kepler-30b Pl 19 01 08.0746750853 +38 56 50.218666290           ~ 51 1
16 Kepler-30c Pl 19 01 08.0746750853 +38 56 50.218666290           ~ 47 1
17 BD+46 2629 Er* 19 07 53.104944 +46 52 06.00420   10.12 9.70 9.80   A0 123 0
18 BD+46 2629A * 19 07 53.1396671301 +46 52 05.931203366           ~ 24 3
19 KOI-12 Er* 19 49 48.8934839086 +41 00 39.627563600   11.73 11.51     F5IV 48 2
20 KOI-12b Pl? 19 49 48.8934839086 +41 00 39.627563600           ~ 28 0
21 HD 189733 BY* 20 00 43.7130382888 +22 42 39.071811263 9.241 8.578 7.648 7.126 6.68 K0V+M4V 693 1

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2019.12.06-19:57:53

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