The TESS-Keck Survey. II. An Ultra-short-period Rocky Planet and Its Siblings Transiting the Galactic Thick-disk Star TOI-561

We report the discovery of TOI-561, a multiplanet system in the galactic thick disk that contains a rocky, ultra-short-period planet. This bright ( V = 10.2) star hosts three small transiting planets identified in photometry from the NASA TESS mission: TOI-561 b (TOI-561.02, P = 0.44 days, R p = 1.4...

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Veröffentlicht in:	The Astronomical journal 2021-02, Vol.161 (2), p.56
Hauptverfasser:	Weiss, Lauren M., Dai, Fei, Huber, Daniel, Brewer, John M., Collins, Karen A., Ciardi, David R., Matthews, Elisabeth C., Ziegler, Carl, Howell, Steve B., Batalha, Natalie M., Crossfield, Ian J. M., Dressing, Courtney, Fulton, Benjamin, Howard, Andrew W., Isaacson, Howard, Kane, Stephen R., Petigura, Erik A, Robertson, Paul, Roy, Arpita, Rubenzahl, Ryan A., Twicken, Joseph D., Claytor, Zachary R., Stassun, Keivan G., MacDougall, Mason G., Chontos, Ashley, Giacalone, Steven, Dalba, Paul A., Mocnik, Teo, Hill, Michelle L., Beard, Corey, Akana Murphy, Joseph M., Rosenthal, Lee J., Behmard, Aida, Van Zandt, Judah, Lubin, Jack, Kosiarek, Molly R., Lund, Michael B., Christiansen, Jessie L., Matson, Rachel A., Beichman, Charles A., Schlieder, Joshua E., Gonzales, Erica J., Briceño, César, Law, Nicholas, Mann, Andrew W., Collins, Kevin I., Evans, Phil, Fukui, Akihiko, Jensen, Eric L. N., Murgas, Felipe, Narita, Norio, Palle, Enric, Parviainen, Hannu, Schwarz, Richard P., Tan, Thiam-Guan, Acton, Jack S., Bryant, Edward M., Chaushev, Alexander, Gill, Sam, Eigmüller, Philipp, Jenkins, Jon, Ricker, George, Seager, Sara, Winn, Joshua N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Composition DENSITY Emission analysis Exoplanet astronomy Exoplanet detection methods Exoplanet evolution Exoplanet formation Exoplanet structure Exoplanet systems Exoplanets Extrasolar planets IRON OTHER INSTRUMENTATION PHOTOMETRY Planetary systems RADIAL VELOCITY RESOLUTION SILICATES SPECTROMETERS STARS Terrestrial planets Thermal emission Transit VOLATILITY
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