2013A&A...559A..36G

Query : 2013A&A...559A..36G

2013A&A...559A..36G - Astronomy and Astrophysics, volume 559A, 36-36 (2013/11-1)

Discovery of WASP-65b and WASP-75b: Two hot Jupiters without highly inflated radii.

GOMEZ MAQUEO CHEW Y., FAEDI F., POLLACCO D., BROWN D.J.A., DOYLE A.P., COLLIER CAMERON A., GILLON M., LENDL M., SMALLEY B., TRIAUD A.H.M.J., WEST R.G., WHEATLEY P.J., BUSUTTIL R., LIEBIG C., ANDERSON D.R., ARMSTRONG D.J., BARROS S.C.C., BENTO J., BOCHINSKI J., BURWITZ V., DELREZ L., ENOCH B., FUMEL A., HASWELL C.A., HEBRARD G., HELLIER C., HOLMES S., JEHIN E., KOLB U., MAXTED P.F.L., McCORMAC J., MILLER G.R.M., NORTON A.J., PEPE F., QUELOZ D., RODRIGUEZ J., SEGRANSAN D., SKILLEN I., STASSUN K.G., UDRY S. and WATSON C.

Abstract (from CDS):

We report the discovery of two transiting hot Jupiters, WASP-65b (Mpl=1.55±0.16MJ; Rpl=1.11±0.06RJ), and WASP-75b (Mpl=1.07±0.05MJ; Rpl=1.27±0.05RJ). They orbit their host star every ∼2.311, and ∼2.484-days, respectively. The planet host WASP-65 is a G6 star (Teff=5600K, [Fe/H]=-0.07±0.07, age >8Gyr); WASP-75 is an F9 star (Teff=6100K, [Fe/H]=0.07±0.09, age ∼3Gyr). WASP-65b is one of the densest known exoplanets in the mass range 0.1 and 2.0MJ (ρpl=1.13±0.08ρJ), a mass range where a large fraction of planets are found to be inflated with respect to theoretical planet models. WASP-65b is one of only a handful of planets with masses of ∼1.5MJ, a mass regime surprisingly underrepresented among the currently known hot Jupiters. The radius of WASP-75b is slightly inflated (≲10%) as compared to theoretical planet models with no core, and has a density similar to that of Saturn (ρpl=0.52±0.06ρJ).

Abstract Copyright: ∼

Journal keyword(s): planetary systems - stars: individual: WASP-65 - stars: individual: WASP-75

VizieR on-line data: <Available at CDS (J/A+A/559/A36): table2.dat table3.dat table8.dat table9.dat table10.dat table11.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 - 2024 		#notes
1 HAT-P-32b Pl 02 04 10.2774374568 +46 41 16.212315084           ~ 157 1
2 CD-30 1019b Pl 02 44 09.6096023424 -30 10 08.563662228           ~ 32 1
3 WASP-50 EB* 02 54 45.1341750384 -10 53 53.025224640   12.43 11.44 11.599   G9V 49 1
4 WASP-50b Pl 02 54 45.1341750384 -10 53 53.025224640           ~ 38 1
5 WASP-12b Pl 06 30 32.7966092352 +29 40 20.263502460           ~ 763 1
6 WASP-12 EB* 06 30 32.7966092352 +29 40 20.263502460   12.14 11.57     G0V 309 1
7 WASP-65b Pl 08 53 17.8288214088 +08 31 22.809193788           ~ 23 2
8 WASP-65 * 08 53 17.8288214088 +08 31 22.809193788   12.39 12.45 11.76   F9 23 1
9 CD-27 10695b Pl 15 59 50.9491505016 -28 03 42.312819096           ~ 261 1
10 BD-11 5929 PM* 22 49 32.5676223552 -10 40 31.926201744   12.05 11.46     ~ 30 1
11 BD-11 5929b Pl 22 49 32.5676223552 -10 40 31.926201744           ~ 22 1
12 * 51 Peg PM* 22 57 27.9804852576 +20 46 07.797040104 6.39 6.16 5.46 4.97 4.61 G2IV 1159 1
13 WASP-5b Pl 23 57 23.7564672192 -41 16 37.743700800           ~ 97 1

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