2014A&A...572A..49N


C.D.S. - SIMBAD4 rel 1.7 - 2021.01.23CET00:52:18

2014A&A...572A..49N - Astronomy and Astrophysics, volume 572A, 49-49 (2014/12-1)

WASP-94 A and B planets: hot-Jupiter cousins in a twin-star system.

NEVEU-VANMALLE M., QUELOZ D., ANDERSON D.R., CHARBONNEL C., COLLIER CAMERON A., DELREZ L., GILLON M., HELLIER C., JEHIN E., LENDL M., MAXTED P.F.L., PEPE F., POLLACCO D., SEGRANSAN D., SMALLEY B., SMITH A.M.S., SOUTHWORTH J., TRIAUD A.H.M.J., UDRY S. and WEST R.G.

Abstract (from CDS):

We report the discovery of two hot-Jupiter planets, each orbiting one of the stars of a wide binary system. WASP-94A is an F8 type star hosting a transiting planet with a radius of 1.72±0.06RJup, a mass of 0.452±0.034MJup, and an orbital period of 3.95-days. The Rossiter-McLaughlin effect is clearly detected, and the measured projected spin-orbit angle indicates that the planet occupies a retrograde orbit. WASP-94B is an F9 stellar companion at an angular separation of 15'' (projected separation 2700au), hosting a gas giant with a minimum mass of 0.618±0.028MJup with a period of 2.008-days, detected by Doppler measurements. The orbital planes of the two planets are inclined relative to each other, indicating that at least one of them is inclined relative to the plane of the stellar binary. These hot Jupiters in a binary system bring new insights into the formation of close-in giant planets and the role of stellar multiplicity.

Abstract Copyright:

Journal keyword(s): planetary systems - stars: individual: WASP-94 - techniques: photometric - techniques: radial velocities - techniques: spectroscopic - binaries: visual

VizieR on-line data: <Available at CDS (J/A+A/572/A49): w94a_rv.dat w94b_rv.dat w94a_phr.dat w94a_phz.dat w94a_piz.dat>

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 BD-07 436 ** 02 28 37.226 -07 03 38.39   10.87 10.12 10.23   ~ 19 0
2 HD 20781 ** 03 20 02.9428 -28 47 01.790   9.263 8.44 8.17 8.43 G9.5V 88 1
3 HD 20782 PM* 03 20 03.5777409770 -28 51 14.660409684   8.03 7.38     G1.5V 165 1
4 NAME Gal Anticenter reg 05 46 +28.9           ~ 745 0
5 WASP-64 V* 06 44 27.6052132708 -32 51 30.178710998           ~ 19 1
6 BD+50 1471 PM* 07 48 06.4726006390 +50 13 32.921121328   12.002 11.138 10.669 10.243 G9V 142 1
7 BD+50 1471B PM* 07 48 07.4814220176 +50 13 03.257811342   11.927 11.086 10.631 10.216 G9V 43 0
8 BD+07 2474 EB* 11 43 38.016288 +06 33 49.41900   11.15 10.41 10.34   G0 25 0
9 Kepler-132 ** 18 52 56.5602135537 +41 20 34.904661489   12.49 11.92     ~ 77 0
10 NAME CD-34 14724Ab Pl 20 55 07.9445087070 -34 08 08.007683146           ~ 19 0
11 CD-34 14724A PM* 20 55 07.9445087070 -34 08 08.007683146   10.74 10.05 10.17 9.774 F8 36 0
12 CD-34 14724B PM* 20 55 09.1578915938 -34 08 07.915242113       10.51 10.06 F9 15 0
13 NAME CD-34 14724Bb Pl 20 55 09.1578915938 -34 08 07.915242113           ~ 4 0

    Equat.    Gal    SGal    Ecl

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2021.01.23-00:52:18

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