TESS Hunt for Young and Maturing Exoplanets

TESS Hunt for Young and Maturing Exoplanets（THYME）とは、太陽系外惑星探査プロジェクトである。THYMEの共同研究者は主にアメリカ合衆国出身で^[1][2]、TESSからのデータを使用して若い太陽系外惑星を探索している。この新しい発見は、太陽系外惑星の初期の進化を研究するのに役立つとされている^[3]。

2024年2月の時点で、この共同研究により、太陽系外惑星の発見を公表する10の論文が公表された。

発見した惑星の一覧

名称	公転周期 （日）	半径 （R⊕）	年齢 （Myrs）	発見年	出典
HIP 67522 b	6.96	10.0	17	2020	[4]
HIP 67522 c（候補）	≥23	8.01	17	2020	[4]
TOI-200A b	8.1	5.7	45	2019	[1]
TOI-1726 b	7.11	2.15	400	2020	[5]
TOI-1726 c	20.55	2.67	400	2020	[5]
TOI-1726 d	4.2	1.1	400	2024	[6]
TOI-451 b	1.9	1.9	120	2021	[7]
TOI-451 c	9.2	3.1	120	2021	[7]
TOI-451 d	16	4.1	120	2021	[7]
TOI-1097 b	9.19	2.9	27	2023	[8]
TOI-1097 c	13.90	2.6	27	2023	[8]
TOI-1098 b	10.2	3.2	250	2021	[9]
TOI-1227 b	27.4	9.5	11	2022	[10]
TOI-2048 b	13.8	2.1	300	2022	[2]
ケプラー1928b	19.58	2.0	105	2022	[11]

脚注

[脚注の使い方]

1. Newton, Elisabeth R.; Mann, Andrew W.; Tofflemire, Benjamin M.; Pearce, Logan; Rizzuto, Aaron C.; Vanderburg, Andrew; Martinez, Raquel A.; Wang, Jason J. et al. (2019-07-01). “TESS Hunt for Young and Maturing Exoplanets (THYME): A Planet in the 45 Myr Tucana-Horologium Association”. The Astrophysical Journal 880: L17. doi:10.3847/2041-8213/ab2988. ISSN 0004-637X. https://ui.adsabs.harvard.edu/abs/2019ApJ...880L..17N.
2. Newton, Elisabeth R.; Rampalli, Rayna; Kraus, Adam L.; Mann, Andrew W.; Curtis, Jason L.; Vanderburg, Andrew; Krolikowski, Daniel M.; Huber, Daniel et al. (2022-09-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). VII. Membership, Rotation, and Lithium in the Young Cluster Group-X and a New Young Exoplanet”. The Astronomical Journal 164: 115. doi:10.3847/1538-3881/ac8154. ISSN 0004-6256. https://ui.adsabs.harvard.edu/abs/2022AJ....164..115N.
3. Tofflemire, B.; Newton, E.; Mann, A.; Rizzuto, A.; Vanderburg, A.; Kraus, A. (2020-01-01). THYME: The TESS Hunt for Young and Maturing Exoplanets — Project Overview and Early Results. 235. pp. 174.18. https://ui.adsabs.harvard.edu/abs/2020AAS...23517418T.
4. Rizzuto, Aaron C.; Newton, Elisabeth R.; Mann, Andrew W.; Tofflemire, Benjamin M.; Vanderburg, Andrew; Kraus, Adam L.; Wood, Mackenna L.; Quinn, Samuel N. et al. (2020-07-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). II. A 17 Myr Old Transiting Hot Jupiter in the Sco-Cen Association”. The Astronomical Journal 160: 33. doi:10.3847/1538-3881/ab94b7. ISSN 0004-6256. https://ui.adsabs.harvard.edu/abs/2020AJ....160...33R.
5. Mann, Andrew W.; Johnson, Marshall C.; Vanderburg, Andrew; Kraus, Adam L.; Rizzuto, Aaron C.; Wood, Mackenna L.; Bush, Jonathan L.; Rockcliffe, Keighley et al. (2020-10-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). III. A Two-planet System in the 400 Myr Ursa Major Group”. The Astronomical Journal 160: 179. doi:10.3847/1538-3881/abae64. ISSN 0004-6256. https://ui.adsabs.harvard.edu/abs/2020AJ....160..179M.
6. Capistrant, Benjamin K.; Soares-Furtado, Melinda; Vanderburg, Andrew; Jankowski, Alyssa; Mann, Andrew W.; Ross, Gabrielle; Srdoc, Gregor; Hinkel, Natalie R. et al. (2024-02-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). XI. An Earth-sized Planet Orbiting a Nearby, Solar-like Host in the 400 Myr Ursa Major Moving Group”. The Astronomical Journal 167 (2): 54. arXiv:2401.04785. Bibcode: 2024AJ....167...54C. doi:10.3847/1538-3881/ad1039. ISSN 0004-6256.
7. Newton, Elisabeth R.; Mann, Andrew W.; Kraus, Adam L.; Livingston, John H.; Vanderburg, Andrew; Curtis, Jason L.; Thao, Pa Chia; Hawkins, Keith et al. (2021-02-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). IV. Three Small Planets Orbiting a 120 Myr Old Star in the Pisces-Eridanus Stream”. The Astronomical Journal 161: 65. doi:10.3847/1538-3881/abccc6. ISSN 0004-6256. https://ui.adsabs.harvard.edu/abs/2021AJ....161...65N.
8. Wood, Mackenna L.; Mann, Andrew W.; Barber, Madyson G.; Bush, Jonathan L.; Kraus, Adam L.; Tofflemire, Benjamin M.; Vanderburg, Andrew; Newton, Elisabeth R. et al. (2023-03-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). IX. A 27 Myr Extended Population of Lower Centaurus Crux with a Transiting Two-planet System”. The Astronomical Journal 165 (3): 85. arXiv:2212.03266. Bibcode: 2023AJ....165...85W. doi:10.3847/1538-3881/aca8fc. ISSN 0004-6256.
9. Tofflemire, Benjamin M.; Rizzuto, Aaron C.; Newton, Elisabeth R.; Kraus, Adam L.; Mann, Andrew W.; Vanderburg, Andrew; Nelson, Tyler; Hawkins, Keith et al. (2021-04-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). V. A Sub-Neptune Transiting a Young Star in a Newly Discovered 250 Myr Association”. The Astronomical Journal 161: 171. doi:10.3847/1538-3881/abdf53. ISSN 0004-6256. https://ui.adsabs.harvard.edu/abs/2021AJ....161..171T.
10. Mann, Andrew W.; Wood, Mackenna L.; Schmidt, Stephen P.; Barber, Madyson G.; Owen, James E.; Tofflemire, Benjamin M.; Newton, Elisabeth R.; Mamajek, Eric E. et al. (2022-04-01). “TESS Hunt for Young and Maturing Exoplanets (THYME). VI. An 11 Myr Giant Planet Transiting a Very-low-mass Star in Lower Centaurus Crux”. The Astronomical Journal 163: 156. doi:10.3847/1538-3881/ac511d. ISSN 0004-6256. https://ui.adsabs.harvard.edu/abs/2022AJ....163..156M.
11. Barber, Madyson G.; Mann, Andrew W.; Bush, Jonathan L.; Tofflemire, Benjamin M.; Kraus, Adam L.; Krolikowski, Daniel M.; Vanderburg, Andrew; Fields, Matthew J. et al. (2022-09-01). “Transit Hunt for Young and Maturing Exoplanets (THYME). VIII. A Pleiades-age Association Harboring Two Transiting Planetary Systems from Kepler”. The Astronomical Journal 164 (3): 88. arXiv:2206.08383. Bibcode: 2022AJ....164...88B. doi:10.3847/1538-3881/ac7b28. ISSN 0004-6256.