TY - JOUR
T1 - TOI-150b and TOI-163b
T2 - Two transiting hot Jupiters, one eccentric and one inflated, revealed by TESS near and at the edge of the JWST CVZ
AU - Kossakowski, Diana
AU - Espinoza, Néstor
AU - Brahm, Rafael
AU - Jordán, Andrés
AU - Henning, Thomas
AU - Rojas, Felipe
AU - Kürster, Martin
AU - Sarkis, Paula
AU - Schlecker, Martin
AU - Pozuelos, Francisco J.
AU - Barkaoui, Khalid
AU - Jehin, Emmanuël
AU - Gillon, Michaël
AU - Matthews, Elisabeth
AU - Horch, Elliott P.
AU - Ciardi, David R.
AU - Crossfield, Ian J.M.
AU - Gonzales, Erica
AU - Howell, Steve B.
AU - Matson, Rachel
AU - Schlieder, Joshua
AU - Jenkins, Jon
AU - Ricker, George
AU - Seager, Sara
AU - Winn, Joshua N.
AU - Li, Jie
AU - Rose, Mark E.
AU - Smith, Jeffrey C.
AU - Dynes, Scott
AU - Morgan, Ed
AU - Villasenor, Jesus Noel
AU - Charbonneau, David
AU - Jaffe, Tess
AU - Yu, Liang
AU - Bakos, Gaspar
AU - Bhatti, Waqas
AU - Bouchy, François
AU - Collins, Karen A.
AU - Collins, Kevin I.
AU - Csubry, Zoltan
AU - Evans, Phil
AU - Jensen, Eric L.N.
AU - Lovis, Christophe
AU - Marmier, Maxime
AU - Nielsen, Louise D.
AU - Osip, David
AU - Pepe, Francesco
AU - Relles, Howard M.
AU - Ségransan, Damien
AU - Shporer, Avi
AU - Stockdale, Chris
AU - Suc, Vincent
AU - Turner, Oliver
AU - Udry, Stéphane
N1 - Publisher Copyright:
© 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society.
PY - 2019/11/21
Y1 - 2019/11/21
N2 - We present the discovery of TYC9191-519-1b (TOI-150b, TIC 271893367) and HD271181b (TOI-163b, TIC 179317684), two hot Jupiters initially detected using 30-min cadence Transiting Exoplanet Survey Satellite (TESS) photometry from Sector 1 and thoroughly characterized through follow-up photometry (CHAT, Hazelwood, LCO/CTIO, El Sauce, TRAPPIST-S), high-resolution spectroscopy (FEROS, CORALIE), and speckle imaging (Gemini/DSSI), confirming the planetary nature of the two signals. A simultaneous joint fit of photometry and radial velocity using a new fitting package JULIET reveals that TOI-150b is a 1.254 ± 0.016 RJ, massive (2.61+−001912 MJ) hot Jupiter in a 5.857-d orbit, while TOI-163b is an inflated (RP = 1.478+−00022029 RJ, MP = 1.219 ± 0.11 MJ) hot Jupiter on a P = 4.231-d orbit; both planets orbit F-type stars. A particularly interesting result is that TOI-150b shows an eccentric orbit (e = 0.262+−00045037), which is quite uncommon among hot Jupiters. We estimate that this is consistent, however, with the circularization time-scale, which is slightly larger than the age of the system. These two hot Jupiters are both prime candidates for further characterization – in particular, both are excellent candidates for determining spin-orbit alignments via the Rossiter–McLaughlin (RM) effect and for characterizing atmospheric thermal structures using secondary eclipse observations considering they are both located closely to the James Webb Space Telescope (JWST) Continuous Viewing Zone (CVZ).
AB - We present the discovery of TYC9191-519-1b (TOI-150b, TIC 271893367) and HD271181b (TOI-163b, TIC 179317684), two hot Jupiters initially detected using 30-min cadence Transiting Exoplanet Survey Satellite (TESS) photometry from Sector 1 and thoroughly characterized through follow-up photometry (CHAT, Hazelwood, LCO/CTIO, El Sauce, TRAPPIST-S), high-resolution spectroscopy (FEROS, CORALIE), and speckle imaging (Gemini/DSSI), confirming the planetary nature of the two signals. A simultaneous joint fit of photometry and radial velocity using a new fitting package JULIET reveals that TOI-150b is a 1.254 ± 0.016 RJ, massive (2.61+−001912 MJ) hot Jupiter in a 5.857-d orbit, while TOI-163b is an inflated (RP = 1.478+−00022029 RJ, MP = 1.219 ± 0.11 MJ) hot Jupiter on a P = 4.231-d orbit; both planets orbit F-type stars. A particularly interesting result is that TOI-150b shows an eccentric orbit (e = 0.262+−00045037), which is quite uncommon among hot Jupiters. We estimate that this is consistent, however, with the circularization time-scale, which is slightly larger than the age of the system. These two hot Jupiters are both prime candidates for further characterization – in particular, both are excellent candidates for determining spin-orbit alignments via the Rossiter–McLaughlin (RM) effect and for characterizing atmospheric thermal structures using secondary eclipse observations considering they are both located closely to the James Webb Space Telescope (JWST) Continuous Viewing Zone (CVZ).
KW - Planets and satellites: detection
KW - Stars: individual: HD271181
KW - Stars: individual: TIC 179317684
KW - Stars: individual: TIC 271893367
KW - Stars: individual: TYC9191-519-1
KW - Techniques: photometric
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U2 - 10.1093/mnras/stz2433
DO - 10.1093/mnras/stz2433
M3 - Article
AN - SCOPUS:85075242073
SN - 0035-8711
VL - 490
SP - 1094
EP - 1110
JO - Monthly Notices of the Royal Astronomical Society
JF - Monthly Notices of the Royal Astronomical Society
IS - 1
ER -