2012A&A...547A..61S

Query : 2012A&A...547A..61S

2012A&A...547A..61S - Astronomy and Astrophysics, volume 547A, 61-61 (2012/11-1)

WASP-78b and WASP-79b: two highly-bloated hot Jupiter-mass exoplanets orbiting F-type stars in Eridanus.

SMALLEY B., ANDERSON D.R., COLLIER-CAMERON A., DOYLE A.P., FUMEL A., GILLON M., HELLIER C., JEHIN E., LENDL M., MAXTED P.F.L., PEPE F., POLLACCO D., QUELOZ D., SEGRANSAN D., 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 WASP-78b and WASP-79b, two highly-bloated Jupiter-mass exoplanets orbiting F-type host stars. WASP-78b orbits its V=12.0 host star (TYC 5889-271-1) every 2.175 days and WASP-79b orbits its V=10.1 host star (CD-30 1812) every 3.662 days. Planetary parameters have been determined using a simultaneous fit to WASP and TRAPPIST transit photometry and CORALIE radial-velocity measurements. For WASP-78b a planetary mass of 0.89±0.08MJup and a radius of 1.70±0.11 RJup is found. The planetary equilibrium temperature of TP = 2350 ±80 K for WASP-78b makes it one of the hottest of the currently known exoplanets. WASP-79b its found to have a planetary mass of 0.90±0.08MJup, but with a somewhat uncertain radius due to lack of sufficient TRAPPIST photometry. The planetary radius is at least 1.70±0.11RJup, but could be as large as 2.09±0.14RJup, which would make WASP-79b the largest known exoplanet.

Abstract Copyright: ∼

Journal keyword(s): planets and satellites: general - stars: individual: WASP-78 - stars: individual: WASP-79 - techniques: spectroscopic - techniques: radial velocities - techniques: photometric

VizieR on-line data: <Available at CDS (J/A+A/547/A61): rv.dat phot.dat>

Simbad objects: 16

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Number of rows : 16
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 10069b Pl 01 37 25.0332798696 -45 40 40.374717456           ~ 369 1
2 HAT-P-32b Pl 02 04 10.2774374568 +46 41 16.212315084           ~ 156 1
3 HD 15082b Pl 02 26 51.0582618096 +37 33 01.736482032           ~ 337 1
4 NAME Eri Region reg 04 00 -20.0           ~ 42 0
5 WASP-78b Pl 04 15 01.5042985272 -22 06 59.103350532           ~ 49 1
6 WASP-78 * 04 15 01.5042985272 -22 06 59.103350532   12.65 11.96 12.43 11.65 F8 44 1
7 2MASS J04150416-2207189 * 04 15 04.1776610424 -22 07 18.971342796           ~ 1 0
8 CD-30 1812 EB* 04 25 29.0166589296 -30 36 01.610731368   10.45 10.04     F5 54 1
9 CD-30 1812b Pl 04 25 29.0166589296 -30 36 01.610731368           ~ 86 1
10 6dFGS gJ042530.8-303554 G 04 25 30.7766573136 -30 35 53.889453420   16.73   15.85   ~ 3 0
11 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3074 0
12 WASP-12b Pl 06 30 32.7966092352 +29 40 20.263502460           ~ 763 1
13 HAT-P-33b Pl 07 32 44.2173520776 +33 50 06.115051104           ~ 57 1
14 CD-27 10695b Pl 15 59 50.9491505016 -28 03 42.312819096           ~ 261 1
15 NAME OGLE-TR-10b Pl 17 51 28.2593510544 -29 52 35.231024064           ~ 89 1
16 TrES-4 Pl 17 53 13.0489562760 +37 12 42.586493328           ~ 214 2

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