Validation of 13 Hot and Potentially Terrestrial TESS Planets
Author:
Giacalone StevenORCID, Dressing Courtney D.ORCID, Hedges ChristinaORCID, Kostov Veselin B.ORCID, Collins Karen A.ORCID, Jensen Eric L. N.ORCID, Yahalomi Daniel A.ORCID, Bieryla AllysonORCID, Ciardi David R.ORCID, Howell Steve B.ORCID, Lillo-Box JorgeORCID, Barkaoui KhalidORCID, Winters Jennifer G.ORCID, Matthews ElisabethORCID, Livingston John H.ORCID, Quinn Samuel N.ORCID, Safonov Boris S.ORCID, Cadieux CharlesORCID, Furlan E.ORCID, Crossfield Ian J. M., Mandell Avi M.ORCID, Gilbert Emily A.ORCID, Kruse EthanORCID, Quintana Elisa V.ORCID, Ricker George R.ORCID, Seager S.ORCID, Winn Joshua N.ORCID, Jenkins Jon M.ORCID, Duffy Adkins Britt, Baker DavidORCID, Barclay ThomasORCID, Barrado DavidORCID, Batalha Natalie M.ORCID, Belinski Alexander A.ORCID, Benkhaldoun ZouhairORCID, Buchhave Lars A.ORCID, Cacciapuoti LucaORCID, Charbonneau DavidORCID, Chontos AshleyORCID, Christiansen Jessie L.ORCID, Cloutier RyanORCID, Collins Kevin I.ORCID, Conti Dennis M.ORCID, Cutting Neil, Dixon Scott, Doyon RenéORCID, Mufti Mohammed ElORCID, Esparza-Borges EmmaORCID, Essack ZahraORCID, Fukui AkihikoORCID, Gan TianjunORCID, Gary KazORCID, Ghachoui Mourad, Gillon MichaëlORCID, Girardin EricORCID, Glidden AnaORCID, Gonzales Erica J.ORCID, Guerra Pere, Horch Elliott P.ORCID, Hełminiak Krzysztof G.ORCID, Howard Andrew W.ORCID, Huber DanielORCID, Irwin Jonathan M., Isopi Giovanni, Jehin EmmanuëlORCID, Kagetani TaikiORCID, Kane Stephen R.ORCID, Kawauchi KiyoeORCID, Kielkopf John F.ORCID, Lewin PabloORCID, Luker Lindy, Lund Michael B.ORCID, Mallia Franco, Mao ShudeORCID, Massey BobORCID, Matson Rachel A.ORCID, Mireles IsmaelORCID, Mori MayukoORCID, Murgas FelipeORCID, Narita NorioORCID, O’Dwyer Tanner, Petigura Erik A.ORCID, Polanski Alex S.ORCID, Pozuelos Francisco J.ORCID, Palle EnricORCID, Parviainen HannuORCID, Plavchan Peter P.ORCID, Relles Howard M., Robertson PaulORCID, Rose Mark E.ORCID, Rowden PamelaORCID, Roy ArpitaORCID, Savel Arjun B.ORCID, Schlieder Joshua E.ORCID, Schnaible Chloe, Schwarz Richard P.ORCID, Sefako Ramatholo, Selezneva AleksandraORCID, Skinner Brett, Stockdale ChrisORCID, Strakhov Ivan A.ORCID, Tan Thiam-GuanORCID, Torres GuillermoORCID, Tronsgaard RenéORCID, Twicken Joseph D.ORCID, Vermilion David, Waite Ian A.ORCID, Walter Bradley, Wang Gavin, Ziegler Carl, Zou YujieORCID
Abstract
Abstract
The James Webb Space Telescope will be able to probe the atmospheres and surface properties of hot, terrestrial planets via emission spectroscopy. We identify 18 potentially terrestrial planet candidates detected by the Transiting Exoplanet Survey Satellite (TESS) that would make ideal targets for these observations. These planet candidates cover a broad range of planet radii (R
p ∼ 0.6–2.0R
⊕) and orbit stars of various magnitudes (K
s
= 5.78–10.78, V = 8.4–15.69) and effective temperatures (T
eff ∼ 3000–6000 K). We use ground-based observations collected through the TESS Follow-up Observing Program (TFOP) and two vetting tools—DAVE and TRICERATOPS—to assess the reliabilities of these candidates as planets. We validate 13 planets: TOI-206 b, TOI-500 b, TOI-544 b, TOI-833 b, TOI-1075 b, TOI-1411 b, TOI-1442 b, TOI-1693 b, TOI-1860 b, TOI-2260 b, TOI-2411 b, TOI-2427 b, and TOI-2445 b. Seven of these planets (TOI-206 b, TOI-500 b, TOI-1075 b, TOI-1442 b, TOI-2260 b, TOI-2411 b, and TOI-2445 b) are ultra-short-period planets. TOI-1860 is the youngest (133 ± 26 Myr) solar twin with a known planet to date. TOI-2260 is a young (321 ± 96 Myr) G dwarf that is among the most metal-rich ([Fe/H] = 0.22 ± 0.06 dex) stars to host an ultra-short-period planet. With an estimated equilibrium temperature of ∼2600 K, TOI-2260 b is also the fourth hottest known planet with R
p < 2 R
⊕.
Publisher
American Astronomical Society
Subject
Space and Planetary Science,Astronomy and Astrophysics
Cited by
15 articles.
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