TOI-2046b, TOI-1181b, and TOI-1516b, three new hot Jupiters from <i>TESS</i>: planets orbiting a young star, a subgiant, and a normal star
P. Kábath, P. Chaturvedi, Phillip J. MacQueen, M. Skarka, J. Šubjak, Massimilliano Esposito, William D. Cochran, Salvatore E. Bellomo, R. Karjalainen, E. W. Guenther, Michael Endl, Szilárd Csizmadia, Marie Karjalainen, A. P. Hatzes, Jiří Žák, D. Gandolfi, H. M. J. Boffin, José I Vines, John H. Livingston, R. A. García, S. Mathur, Lucía González-Cuesta, Martin Blažek, Douglas A. Caldwell, Knicole D. Colón, H. J. Deeg, A. Erikson, Vincent Van Eylen, W. Fong, M. Fridlund, Akihiko Fukui, Gábor Fürész, Robert F. Goeke, Elisa Goffo, Steve B. Howell, Jon M. Jenkins, P. Klagyivik, J. Korth, David W. Latham, R. Luque, Dan Moldovan, F. Murgas, Norio Narita, J. Orell-Miquel, Ε. Πάλλη, H. Parviainen, C. M. Persson, Phillip A. Reed, Seth Redfield, G. Ricker, Sara Seager, L. M. Serrano, Avi Shporer, A. M. S. Smith, Noriharu Watanabe, Joshua N. Winn, the KESPRINT team
Abstract
ABSTRACT We present the confirmation and characterization of three hot Jupiters, TOI-1181b, TOI-1516b, and TOI-2046b, discovered by the TESS space mission. The reported hot Jupiters have orbital periods between 1.4 and 2.05 d. The masses of the three planets are 1.18 ± 0.14 MJ, 3.16 ± 0.12 MJ, and 2.30 ± 0.28 MJ, for TOI-1181b, TOI-1516b, and TOI-2046b, respectively. The stellar host of TOI-1181b is a F9IV star, whereas TOI-1516b and TOI-2046b orbit F main sequence host stars. The ages of the first two systems are in the range of 2–5 Gyrs. However, TOI-2046 is among the few youngest known planetary systems hosting a hot Jupiter, with an age estimate of 100–400 Myrs. The main instruments used for the radial velocity follow-up of these three planets are located at Ondřejov, Tautenburg, and McDonald Observatory, and all three are mounted on 2–3 m aperture telescopes, demonstrating that mid-aperture telescope networks can play a substantial role in the follow-up of gas giants discovered by TESS and in the future by PLATO.