2017A&A...599A...3L


C.D.S. - SIMBAD4 rel 1.7 - 2020.04.02CEST11:38:52

2017A&A...599A...3L - Astronomy and Astrophysics, volume 599A, 3-3 (2017/3-1)

From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b.

LAM K.W.F., FAEDI F., BROWN D.J.A., ANDERSON D.R., DELREZ L., GILLON M., HEBRARD G., LENDL M., MANCINI L., SOUTHWORTH J., SMALLEY B., TRIAUD A.H.M., TURNER O.D., HAY K.L., ARMSTRONG D.J., BARROS S.C.C., BONOMO A.S., BOUCHY F., BOUMIS P., COLLIER CAMERON A., DOYLE A.P., HELLIER C., HENNING T., JEHIN E., KING G., KIRK J., LOUDEN T., MAXTED P.F.L., McCORMAC J.J., OSBORN H.P., PALLE E., PEPE F., POLLACCO D., PRIETO-ARRANZ J., QUELOZ D., REY J., SEGRANSAN D., UDRY S., WALKER S., WEST R.G. and WHEATLEY P.J.

Abstract (from CDS):

We report three newly discovered exoplanets from the SuperWASP survey. WASP-127b is a heavily inflated super-Neptune of mass 0.18±0.02MJ and radius 1.37±0.04RJ. This is one of the least massive planets discovered by the WASP project. It orbits a bright host star (Vmag=10.16) of spectral type G5 with a period of 4.17-days. WASP-127b is a low-density planet that has an extended atmosphere with a scale height of 2500±400km, making it an ideal candidate for transmission spectroscopy. WASP-136b and WASP-138b are both hot Jupiters with mass and radii of 1.51±0.08MJ and 1.38±0.16RJ, and 1.22±0.08MJ and 1.09±0.05RJ, respectively. WASP-136b is in a 5.22-day orbit around an F9 subgiant star with a mass of 1.41±0.07M and a radius of 2.21±0.22R. The discovery of WASP-136b could help constrain the characteristics of the giant planet population around evolved stars. WASP-138b orbits an F7 star with a period of 3.63 days. Its radius agrees with theoretical values from standard models, suggesting the presence of a heavy element core with a mass of ∼10M. The discovery of these new planets helps in exploring the diverse compositional range of short-period planets, and will aid our understanding of the physical characteristics of both gas giants and low-density planets.

Abstract Copyright: © ESO, 2017

Journal keyword(s): planetary systems - stars: individual: WASP-127 - techniques: radial velocities - techniques: photometric - stars: individual: WASP-136 - stars: individual: WASP-138 - stars: individual: WASP-138

VizieR on-line data: <Available at CDS (J/A+A/599/A3): table7.dat table8.dat table9.dat table10.dat table11.dat table12.dat>

Status at CDS:  

Simbad objects: 24

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Number of rows : 24

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-136b Pl? 00 01 18.1800502048 -08 55 34.653764304           ~ 2 0
2 HD 224861 * 00 01 18.1800502048 -08 55 34.653764304   10.363 9.928     F5V 6 0
3 HAT-P-47b Pl? 02 33 13.9545118332 +30 21 37.799782262           ~ 1 0
4 WASP-138b Pl? 02 46 33.37 -00 27 50.0           ~ 2 0
5 1SWASP J024633.37-002750.0 V* 02 46 33.3867230554 -00 27 50.316667417   12.28 11.81 11.40   F9 2 0
6 HAT-P-48b Pl? 02 57 53.0158912964 +30 37 32.333623958           ~ 3 0
7 WASP-139b Pl? 03 18 14.9435363553 -41 18 07.664491959           ~ 10 0
8 WASP-78b Pl 04 15 01.5043965171 -22 06 59.103918835           ~ 21 1
9 WASP-79b Pl 04 25 29.0168304676 -30 36 01.610961515           ~ 37 1
10 WASP-141b Pl? 04 47 17.8561754583 -17 06 54.594685872           ~ 4 0
11 WASP-35b Pl 05 04 19.6324126613 -06 13 47.376129317           ~ 19 1
12 K2-97b Pl? 08 31 03.0822343319 +10 50 51.310610665           ~ 13 0
13 WASP-142b Pl? 09 22 01.5338337685 -23 56 46.202766617           ~ 5 0
14 BD-03 2978 * 10 42 14.0835894932 -03 50 06.259823354   10.809 10.172     G5 11 0
15 WASP-127b Pl? 10 42 14.0835894932 -03 50 06.259823354           ~ 14 0
16 WASP-54b Pl 13 41 49.0301976803 -00 07 41.033730455           ~ 12 1
17 HAT-P-26b Pl 14 12 37.5329989220 +04 03 36.117671696           ~ 92 1
18 WASP-39b Pl 14 29 18.4151765921 -03 26 40.203046112           ~ 82 1
19 WASP-113b Pl? 14 59 29.49 +46 57 36.4           ~ 3 0
20 WASP-17b Pl 15 59 50.9489706053 -28 03 42.309432433           ~ 193 1
21 KOI-3.01 Pl 19 50 50.2474562793 +48 04 51.097364378           ~ 269 1
22 HAT-P-8b Pl 22 52 09.8635559135 +35 26 49.606963112           ~ 61 1
23 TRAPPIST-1h Pl? 23 06 29.36 -05 02 29.2           ~ 58 0
24 WASP-59b Pl 23 18 29.54 +24 53 21.4           ~ 24 1

    Equat.    Gal    SGal    Ecl

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2020.04.02-11:38:52

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