TOI 694b and TIC 220568520b: Two Low-mass Companions near the Hydrogen-burning Mass Limit Orbiting Sun-like Stars

We report the discovery of TOI 694 b and TIC 220568520 b, two low-mass stellar companions in eccentric orbits around metal-rich Sun-like stars, first detected by the Transiting Exoplanet Survey Satellite (TESS). TOI 694 b has an orbital period of 48.05131 0.00019 days and eccentricity of 0.51946 0.0...

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Veröffentlicht in:	The Astronomical journal 2020-09, Vol.160 (3), p.133
Hauptverfasser:	Mireles, Ismael, Shporer, Avi, Grieves, Nolan, Zhou, George, Günther, Maximilian N., Brahm, Rafael, Ziegler, Carl, Stassun, Keivan G., Huang, Chelsea X., Nielsen, Louise, dos Santos, Leonardo A., Udry, Stéphane, Bouchy, François, Ireland, Michael, Wallace, Alexander, Sarkis, Paula, Henning, Thomas, Jordán, Andrés, Law, Nicholas, Mann, Andrew W., Paredes, Leonardo A., James, Hodari-Sadiki, Jao, Wei-Chun, Henry, Todd J., Butler, R. Paul, Rodriguez, Joseph E., Yu, Liang, Flowers, Erin, Ricker, George R., Latham, David W., Vanderspek, Roland, Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Furesz, Gabor, Hesse, Katharine, Quintana, Elisa V., Rose, Mark E., Smith, Jeffrey C., Tenenbaum, Peter, Vezie, Michael, Yahalomi, Daniel A., Zhan, Zhuchang
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Binary stars COMPARATIVE EVALUATIONS Convection COSMOLOGICAL INFLATION Eccentric orbits Eclipsing binary stars Extrasolar planets Hydrogen HYDROGEN BURNING Low mass stars M dwarf stars MAGNETIC FIELDS Object recognition ORBITS Planet detection Transit
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