2019AJ....158...79D

Query : 2019AJ....158...79D

2019AJ....158...79D - Astron. J., 158, 79-79 (2019/August-0)

A warm Jupiter-sized planet transiting the pre-main-sequence star V1298 Tau.

DAVID T.J., CODY A.M., HEDGES C.L., MAMAJEK E.E., HILLENBRAND L.A., CIARDI D.R., BEICHMAN C.A., PETIGURA E.A., FULTON B.J., ISAACSON H.T., HOWARD A.W., GAGNE J., SAUNDERS N.K., REBULL L.M., STAUFFER J.R., VASISHT G. and HINKLEY S.

Abstract (from CDS):

We report the detection of V1298 Tau b, a warm Jupiter-sized planet (RP = 0.91 ± 0.05 RJup, P = 24.1 days) transiting a young solar analog with an estimated age of 23 Myr. The star and its planet belong to Group 29, a young association in the foreground of the Taurus-Auriga star-forming region. While hot Jupiters have been previously reported around young stars, those planets are non-transiting and near-term atmospheric characterization is not feasible. The V1298 Tau system is a compelling target for follow-up study through transmission spectroscopy and Doppler tomography owing to the transit depth (0.5%), host star brightness (Ks = 8.1 mag), and rapid stellar rotation (vsini = 23 km s–1). Although the planet is Jupiter-sized, its mass is currently unknown due to high-amplitude radial velocity jitter. Nevertheless, V1298 Tau b may help constrain formation scenarios for at least one class of close-in exoplanets, providing a window into the nascent evolution of planetary interiors and atmospheres.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): open clusters and associations: individual: (Group 29, Taurus-Auriga) - planets and satellites: gaseous planets - planets and satellites: physical evolution - stars: individual: V1298 Tau - stars: pre-main sequence

Simbad objects: 35

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Number of rows : 35
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME THA MGr 00 00 -62.0           ~ 540 0
2 HD 3765 PM* 00 40 49.2698857963 +40 11 13.823048636   8.30   6.8   K2V 281 0
3 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
4 BD+19 648 * 04 02 03.9696733104 +20 21 39.809359800   10.03 9.73     G5 5 0
5 UCAC4 549-008491 * 04 03 55.8730722192 +19 40 48.182313144   12.27 11.82 11.59   ~ 2 0
6 TYC 1262-1494-1 PM* 04 04 10.4565648072 +20 39 25.545920436   12.29 11.57     ~ 2 0
7 HD 284154 SB* 04 05 14.3522061000 +20 08 21.541940808   9.15 8.51     G0 19 0
8 HD 284153 * 04 05 17.1715415112 +20 10 01.058405484   10.2 10.34     F0 7 0
9 Gaia DR3 51886331671984640 * 04 05 18.6204145248 +20 09 11.102605056           ~ 1 0
10 UCAC4 551-008566 * 04 05 19.5587596464 +20 08 55.785839244   15.28 14.08 14.06   ~ 2 0
11 NAME V1298 Tau b Pl 04 05 19.5909996648 +20 09 25.563233736           ~ 79 0
12 V* V1298 Tau TT* 04 05 19.5909996648 +20 09 25.563233736   11.11 10.12 9.57   K1 194 0
13 NAME 93 Tau Group ** 04 05 58.22400 +20 10 47.1830           ~ 5 0
14 UCAC4 551-008632 * 04 06 35.0998528272 +20 06 12.558923748   14.78 13.47 13.06   ~ 2 0
15 UCAC4 548-008608 HB* 04 06 52.2717423600 +19 24 27.333005832   13.69 12.50 12.00   ~ 6 0
16 UCAC4 552-008772 SB* 04 08 17.7980675592 +20 19 00.921561312   12.50 11.74 11.55   ~ 3 0
17 UCAC4 552-008785 * 04 08 38.0489631960 +20 18 06.320110464   13.32 12.50 12.27   ~ 2 0
18 UCAC4 547-008674 * 04 09 16.9075627632 +19 17 07.211436036     13.07 12.79   ~ 2 0
19 UCAC4 546-008828 * 04 09 44.6181935064 +19 11 53.377281420   13.70 12.77 12.48   ~ 4 0
20 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1453 0
21 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
22 M 36 OpC 05 36 19.8 +34 08 02   6.09 6.0     ~ 206 2
23 NAME Columba Association As* 06 04 19.4 -22 20 40           ~ 337 0
24 NAME AB Dor Moving Group MGr 06 38 53.4 -42 50 04           ~ 540 0
25 IC 2391 OpC 08 41 17.5 -53 03 00           ~ 871 0
26 Cl Mamajek 1 OpC 08 42 32.9 -78 57 47           ~ 392 0
27 IC 2602 OpC 10 42 55.9 -64 25 22           ~ 735 0
28 NAME TW Hya Association As* 11 01.9 -34 42           ~ 1018 0
29 NAME Lower Centaurus Crux As* 12 19 -57.1           ~ 565 1
30 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 894 0
31 NAME Upper Centaurus Lupus MGr 15 24 -41.9           ~ 567 1
32 K2-33b Pl 16 10 14.7377409264 -19 19 09.407629452           ~ 93 0
33 NAME Upper Sco Association As* 16 12 -23.4           ~ 1586 1
34 HD 154345 PM* 17 02 36.4038090379 +47 04 54.764174452   7.50   6.3   G9 297 1
35 NAME Carina Association As* ~ ~           ~ 188 1

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