2019MNRAS.489.4125V

Query : 2019MNRAS.489.4125V

2019MNRAS.489.4125V - Mon. Not. R. Astron. Soc., 489, 4125-4134 (2019/November-1)

NGTS-6b: an ultrashort period hot-Jupiter orbiting an old K dwarf.

VINES J.I., JENKINS J.S., ACTON J.S., BRIEGAL J., BAYLISS D., BOUCHY F., BELARDI C., BRYANT E.M., BURLEIGH M.R., CABRERA J., CASEWELL S.L., CHAUSHEV A., COOKE B.F., CSIZMADIA S., EIGMULLER P., ERIKSON A., FOXELL E., GILL S., GILLEN E., GOAD M.R., JACKMAN J.A.G., KING G.W., LOUDEN T., McCORMAC J., MOYANO M., NIELSEN L.D., POLLACCO D., QUELOZ D., RAUER H., RAYNARD L., SMITH A.M.S., SOTO M.G., TILBROOK R.H., TITZ-WEIDER R., TURNER O., UDRY S., WALKER S.R., WATSON C.A., WEST R.G. and WHEATLEY P.J.

Abstract (from CDS):

We report the discovery of a new ultrashort period hot Jupiter from the Next Generation Transit Survey. NGTS-6b orbits its star with a period of 21.17 h, and has a mass and radius of 1.330^+0.024_–0.028M_J and 1.271^+0.197_–0.188R_J, respectively, returning a planetary bulk density of 0.711^+0.214_–0.136 g cm^–3. Conforming to the currently known small population of ultrashort period hot Jupiters, the planet appears to orbit a metal-rich star ([Fe/H] = +0.11 ± 0.09 dex). Photoevaporation models suggest the planet should have lost 5 per cent of its gaseous atmosphere over the course of the 9.6 Gyr of evolution of the system. NGTS-6b adds to the small, but growing list of ultrashort period gas giant planets, and will help us to understand the dominant formation and evolutionary mechanisms that govern this population.

Journal keyword(s): planets and satellites: detection - planetary systems

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 13

Full paper

View the references in ADS

Number of rows : 13

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2023	#notes
1	HD 10069b	Pl	01 37 25.0335097438	-45 40 40.376513381				~	329	1
2	NGTS-6	*	05 03 10.9028401320	-30 23 57.718858488	15.17	14.12	13.98	~	8	0
3	NGTS-6b	Pl	05 03 10.9028759206	-30 23 57.719238234				~	10	0
4	NGTS-1b	Pl	05 30 51.4522866697	-36 37 50.896558281				~	40	0
5	NGTS-4b	Pl	05 58 23.7549496011	-30 48 42.363268864				~	29	0
6	NGTS-3Ab	Pl	06 17 46.7535202971	-35 42 23.046524254				~	10	0
7	WASP-19b	Pl	09 53 40.0764883458	-45 39 33.055979403				~	343	1
8	WASP-43b	Pl	10 19 38.0089444408	-09 48 22.603103969				~	314	1
9	HATS-18b	Pl	11 35 49.7771099628	-29 09 21.753959414				~	31	0
10	CD-30 11338b	Pl	14 20 29.4890739767	-31 12 07.437960834				~	13	0
11	NGTS-5b	Pl	14 44 13.9704396431	+05 36 19.417196700				~	7	0
12	WASP-103b	Pl	16 37 15.5753608801	+07 11 00.119024745				~	162	1
13	KELT-16b	Pl	20 57 04.4386615783	+31 39 39.629670391				~	39	0

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