2015A&A...575A..71A


Query : 2015A&A...575A..71A

2015A&A...575A..71A - Astronomy and Astrophysics, volume 575A, 71-71 (2015/3-1)

SOPHIE velocimetry of Kepler transit candidates. XV. KOI-614b, KOI-206b, and KOI-680b: a massive warm Jupiter orbiting a G0 metallic dwarf and two highly inflated planets with a distant companion around evolved F-type stars.

ALMENARA J.M., DAMIANI C., BOUCHY F., HAVEL M., BRUNO G., HEBRARD G., DIAZ R.F., DELEUIL M., BARROS S.C.C., BOISSE I., BONOMO A.S., MONTAGNIER G. and SANTERNE A.

Abstract (from CDS):

We report the validation and characterization of three new transiting exoplanets using SOPHIE radial velocities: KOI-614b, KOI-206b, and KOI-680b. KOI-614b has a mass of 2.86±0.35MJup and a radius of 1.13+0.26–0.18RJup, and it orbits a G0, metallic ([Fe/H]=0.35±0.15) dwarf in 12.9-days. Its mass and radius are familiar and compatible with standard planetary evolution models, so it is one of the few known transiting planets in this mass range to have an orbital period over ten days. With an equilibrium temperature of Teq=1000±45K, this places KOI-614b at the transition between what is usually referred to as ``hot'' and ``warm'' Jupiters. KOI-206b has a mass of 2.82±0.52MJup and a radius of 1.45±0.16RJup, and it orbits a slightly evolved F7-type star in a 5.3-day orbit. It is a massive inflated hot Jupiter that is particularly challenging for planetary models because it requires unusually large amounts of additional dissipated energy in the planet. On the other hand, KOI-680b has a much lower mass of 0.84±0.15MJup and requires less extra-dissipation to explain its uncommonly large radius of 1.99±0.18RJup. It is one of the biggest transiting planets characterized so far, and it orbits a subgiant F9-star well on its way to the red giant stage, with an orbital period of 8.6 days. With host stars of masses of 1.46±0.17M and 1.54±0.09M, respectively, KOI-206b, and KOI-680b are interesting objects for theories of formation and survival of short-period planets around stars more massive than the Sun. For those two targets, we also find signs of a possible distant additional companion in the system.

Abstract Copyright:

Journal keyword(s): planetary systems - techniques: photometric - techniques: radial velocities - techniques: spectroscopic

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 - 2021
#notes
1 HAT-P-32b Pl 02 04 10.2775457769 +46 41 16.210382751           ~ 97 1
2 WASP-78b Pl 04 15 01.5043965171 -22 06 59.103918835           ~ 29 1
3 CoRoT-18b Pl 06 32 41.3777044284 -00 01 53.725631349           ~ 32 1
4 CD-27 10695 * 15 59 50.9489706053 -28 03 42.309432433   11.83 11.59 11.31 10.92 F4 96 1
5 CoRoT-2b Pl 19 27 06.4944821296 +01 23 01.357597206           ~ 195 1
6 Kepler-435 Ro* 19 29 08.9490750554 +43 11 50.160271524   14.00 13.91 13.94 12.92 F5V 54 1
7 KOI-680b Pl? 19 29 08.9490750554 +43 11 50.160271524           ~ 6 1
8 * sig Dra PM* 19 32 21.5902990 +69 39 40.234737 5.860 5.460 4.680 4.04 3.63 K0V 591 0
9 Kepler-434b Pl 19 34 20.7343705605 +42 55 44.038822045           ~ 25 0
10 Kepler-434 Ro* 19 34 20.7343705605 +42 55 44.038822045           ~ 27 0
11 KOI-206b Pl? 19 50 22.4723160971 +40 58 38.154163615           ~ 6 1
12 Kepler-433 EB* 19 50 22.4723160971 +40 58 38.154163615   15.08 14.35 14.81 14.10 ~ 41 1
13 Kepler-17b Pl 19 53 34.8642919207 +47 48 54.049941399           ~ 83 1

    Equat.    Gal    SGal    Ecl

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2021.07.27-01:45:12

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