2020MNRAS.493..126M

Query : 2020MNRAS.493..126M

2020MNRAS.493..126M - Mon. Not. R. Astron. Soc., 493, 126-140 (2020/March-3)

NGTS-10b: the shortest period hot Jupiter yet discovered.

McCORMAC J., GILLEN E., JACKMAN J.A.G., BROWN D.J.A., BAYLISS D., WHEATLEY P.J., ANDERSON D.R., ARMSTRONG D.J., BOUCHY F., BRIEGAL J.T., BURLEIGH M.R., CABRERA J., CASEWELL S.L., CHAUSHEV A., CHAZELAS B., CHOTE P., COOKE B.F., COSTES J.C., CSIZMADIA S., EIGMULLER P., ERIKSON A., FOXELL E., GANSICKE B.T., GOAD M.R., GUNTHER M.N., HODGKIN S.T., HOOTON M.J., JENKINS J.S., LAMBERT G., LENDL M., LONGSTAFF E., LOUDEN T., MOYANO M., NIELSEN L.D., POLLACCO D., QUELOZ D., RAUER H., RAYNARD L., SMITH A.M.S., SMALLEY B., SOTO M., TURNER O., UDRY S., VINES J.I., WALKER S.R., WATSON C.A. and WEST R.G.

Abstract (from CDS):

We report the discovery of a new ultrashort period (USP) transiting hot Jupiter from the Next Generation Transit Survey (NGTS). NGTS-10b has a mass and radius of 2.162 ^+0.092_–0.107 MJ and 1.205 ^+0.117_–0.083 RJ and orbits its host star with a period of 0.7668944 ± 0.0000003 d, making it the shortest period hot Jupiter yet discovered. The host is a 10.4 ± 2.5 Gyr old K5V star (Teff = 4400 ± 100 K) of Solar metallicity ([Fe/H] = -0.02 ± 0.12 dex) showing moderate signs of stellar activity. NGTS-10b joins a short list of USP Jupiters that are prime candidates for the study of star-planet tidal interactions. NGTS-10b orbits its host at just 1.46 ± 0.18 Roche radii, and we calculate a median remaining inspiral time of 38 Myr and a potentially measurable orbital period decay of 7 s over the coming decade, assuming a stellar tidal quality factor Q^'_s =2 x 10⁷.

Abstract Copyright: © The Author(s) 2020. Published by Oxford University Press on behalf of The Royal Astronomical Society.

Journal keyword(s): techniques: photometric - stars: individual: NGTS-10 - planetary systems

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

Simbad objects: 25

Full paper

View the references in ADS

Number of rows : 25

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	HD 10069	SB*	01 37 25.0332798696	-45 40 40.374717456	9.74	9.30			F6IV/V	260	1
2	HD 10069b	Pl	01 37 25.0332798696	-45 40 40.374717456					~	444	1
3	NGTS-6b	Pl	05 03 10.9028401320	-30 23 57.718858488					~	19	0
4	NGTS-1b	Pl	05 30 51.4522649760	-36 37 50.895680268					~	60	0
5	NGTS-4b	Pl	05 58 23.7549496011	-30 48 42.363268864					~	47	0
6	HD 42043	*	06 07 26.3801280648	-25 35 34.147380840	10.46	9.32			K1/2(III)	5	0
7	NGTS-10B	*	06 07 29.3136212040	-25 35 40.758752436					~	1	1
8	NGTS-10	**	06 07 29.337600	-25 35 41.67600	15.28	14.34	14.20		~	16	0
9	NGTS-10b	Pl	06 07 29.337600	-25 35 41.67600					~	20	0
10	NGTS-10A	*	06 07 29.3437754160	-25 35 41.839685736					K5V	1	0
11	NGTS-3Ab	Pl	06 17 46.7534474544	-35 42 23.047980804					~	14	0
12	WASP-12b	Pl	06 30 32.7966092352	+29 40 20.263502460					~	847	1
13	NGTS-9b	Pl	09 27 40.9609498224	-19 20 51.559855800					~	8	0
14	WASP-19	*	09 53 40.0765648584	-45 39 33.057187596	13.05	12.31	12.12	11.35	G8V	207	2
15	WASP-19b	Pl	09 53 40.0765648584	-45 39 33.057187596					~	423	1
16	WASP-43b	Pl	10 19 38.0088913464	-09 48 22.605801336					~	442	1
17	WASP-43	PM*	10 19 38.0088913464	-09 48 22.605801336	13.782	12.490	12.022	11.10	K7V	182	1
18	HATS-18	*	11 35 49.7771406312	-29 09 21.755012652	14.870	14.067			~	39	0
19	HATS-18b	Pl	11 35 49.7771406312	-29 09 21.755012652					~	43	0
20	CD-30 11338b	Pl	14 20 29.4891293064	-31 12 07.437166416					~	19	0
21	NGTS-5b	Pl	14 44 13.9703941656	+05 36 19.415892780					~	19	0
22	WASP-103b	Pl	16 37 15.5765824488	+07 11 00.109678740					~	215	1
23	KELT-16b	Pl	20 57 04.4386023336	+31 39 39.631400028					~	62	0
24	NGTS-8b	Pl	21 55 54.1982652672	-14 04 06.225474288					~	2	0
25	NGTS-7Ab	BD?	23 30 05.2358629579	-38 58 11.462828113					~	22	0

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