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+0.024–0.028MJ and 1.271+0.197–0.188RJ, 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.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

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

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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 HD 10069b Pl 01 37 25.0332798696 -45 40 40.374717456           ~ 369 1
2 NGTS-6b Pl 05 03 10.9028401320 -30 23 57.718858488           ~ 14 0
3 NGTS-6 EB* 05 03 10.9028401320 -30 23 57.718858488   15.17 14.12 13.98   ~ 10 0
4 NGTS-1b Pl 05 30 51.4522649760 -36 37 50.895680268           ~ 50 0
5 NGTS-4b Pl 05 58 23.7549496011 -30 48 42.363268864           ~ 36 0
6 NGTS-3Ab Pl 06 17 46.7534474544 -35 42 23.047980804           ~ 12 0
7 WASP-19b Pl 09 53 40.0765648584 -45 39 33.057187596           ~ 370 1
8 WASP-43b Pl 10 19 38.0088913464 -09 48 22.605801336           ~ 357 1
9 HATS-18b Pl 11 35 49.7771406312 -29 09 21.755012652           ~ 38 0
10 CD-30 11338b Pl 14 20 29.4891293064 -31 12 07.437166416           ~ 17 0
11 NGTS-5b Pl 14 44 13.9703941656 +05 36 19.415892780           ~ 11 0
12 WASP-103b Pl 16 37 15.5765824488 +07 11 00.109678740           ~ 183 1
13 KELT-16b Pl 20 57 04.4386023336 +31 39 39.631400028           ~ 46 0

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