Science Extraction from TESS Observations of Known Exoplanet Hosts
The transit method of exoplanet discovery and characterization has enabled numerous breakthroughs in exoplanetary science. These include measurements of planetary radii, mass-radius relationships, stellar obliquities, bulk density constraints on interior models, and transmission spectroscopy as a me...
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| Veröffentlicht in: | Publications of the Astronomical Society of the Pacific 2021-01, Vol.133 (1019), p.1-10 |
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| creator | Kane, Stephen R. Bean, Jacob L. Campante, Tiago L. Dalba, Paul A. Fetherolf, Tara Mocnik, Teo Ostberg, Colby Pepper, Joshua Simpson, Emilie R. Turnbull, Margaret C. Ricker, George R. Vanderspek, Roland Latham, David W. Seager, Sara Winn, Joshua N. Jenkins, Jon M. Huber, Daniel Chaplin, William J. |
| description | The transit method of exoplanet discovery and characterization has enabled numerous breakthroughs in exoplanetary science. These include measurements of planetary radii, mass-radius relationships, stellar obliquities, bulk density constraints on interior models, and transmission spectroscopy as a means to study planetary atmospheres. The Transiting Exoplanet Survey Satellite (TESS) has added to the exoplanet inventory by observing a significant fraction of the celestial sphere, including many stars already known to host exoplanets. Here we describe the science extraction from TESS observations of known exoplanet hosts during the primary mission. These include transit detection of known exoplanets, discovery of additional exoplanets, detection of phase signatures and secondary eclipses, transit ephemeris refinement, and asteroseismology as a means to improve stellar and planetary parameters. We provide the statistics of TESS known host observations during Cycle 1 and 2, and present several examples of TESS photometry for known host stars observed with a long baseline. We outline the major discoveries from observations of known hosts during the primary mission. Finally, we describe the case for further observations of known exoplanet hosts during the TESS extended mission and the expected science yield. |
| doi_str_mv | 10.1088/1538-3873/abc610 |
| format | Article |
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These include measurements of planetary radii, mass-radius relationships, stellar obliquities, bulk density constraints on interior models, and transmission spectroscopy as a means to study planetary atmospheres. The Transiting Exoplanet Survey Satellite (TESS) has added to the exoplanet inventory by observing a significant fraction of the celestial sphere, including many stars already known to host exoplanets. Here we describe the science extraction from TESS observations of known exoplanet hosts during the primary mission. These include transit detection of known exoplanets, discovery of additional exoplanets, detection of phase signatures and secondary eclipses, transit ephemeris refinement, and asteroseismology as a means to improve stellar and planetary parameters. We provide the statistics of TESS known host observations during Cycle 1 and 2, and present several examples of TESS photometry for known host stars observed with a long baseline. We outline the major discoveries from observations of known hosts during the primary mission. Finally, we describe the case for further observations of known exoplanet hosts during the TESS extended mission and the expected science yield.</description><identifier>ISSN: 0004-6280</identifier><identifier>EISSN: 1538-3873</identifier><identifier>DOI: 10.1088/1538-3873/abc610</identifier><language>eng</language><publisher>Philadelphia: The Astronomical Society of the Pacific</publisher><subject>Asteroseismology ; Brown Dwarfs, Planets, and Planetary Systems (Including the Solar System) ; Ephemerides ; Exoplanet atmospheres ; Exoplanet systems ; Exoplanets ; Extrasolar planets ; Planet hosting stars ; Planetary atmospheres ; Space telescopes ; Spectroscopy ; Transit photometry ; Transit timing variation method</subject><ispartof>Publications of the Astronomical Society of the Pacific, 2021-01, Vol.133 (1019), p.1-10</ispartof><rights>2020. The Astronomical Society of the Pacific. 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| source | IOP Publishing Journals; Jstor Complete Legacy; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | Asteroseismology Brown Dwarfs, Planets, and Planetary Systems (Including the Solar System) Ephemerides Exoplanet atmospheres Exoplanet systems Exoplanets Extrasolar planets Planet hosting stars Planetary atmospheres Space telescopes Spectroscopy Transit photometry Transit timing variation method |
| title | Science Extraction from TESS Observations of Known Exoplanet Hosts |
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