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  4. Giant outer transiting exoplanet mass (GOT ’EM) survey. III. Recovery and confirmation of a temperate, mildly eccentric, single-transit Jupiter orbiting TOI-2010
 
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Giant outer transiting exoplanet mass (GOT ’EM) survey. III. Recovery and confirmation of a temperate, mildly eccentric, single-transit Jupiter orbiting TOI-2010
Dr. Rabus, Markus 
Facultad de Ingeniería 
Mann, Christopher
Dalba, Paul
Lafrenière, David
Fulton, Benjamin
Hébrard, Guillaume
Boisse, Isabelle
Dalal, Shweta
Deleuil, Magali
Delfosse, Xavier
10.3847/1538-3881/ad00bc
IOP Publishing
2023
Large-scale exoplanet surveys like the Transiting Exoplanet Survey Satellite (TESS) mission are powerful tools for discovering large numbers of exoplanet candidates. Single-transit events are commonplace within the resulting candidate list due to the unavoidable limitation of the observing baseline. These single-transit planets often remain unverified due to their unknown orbital periods and consequent difficulty in scheduling follow-up observations. In some cases, radial velocity (RV) follow up can constrain the period enough to enable a future targeted transit detection. We present the confirmation of one such planet: TOI-2010 b. Nearly three years of RV coverage determined the period to a level where a broad window search could be undertaken with the Near-Earth Object Surveillance Satellite, detecting an additional transit. An additional detection in a much later TESS sector solidified our final parameter estimation. We find TOI-2010 b to be a Jovian planet (MP = 1.29 MJup, RP = 1.05 RJup) on a mildly eccentric orbit (e = 0.21) with a period of P = 141.83403 days. Assuming a simple model with no albedo and perfect heat redistribution, the equilibrium temperature ranges from about 360 to 450 K from apastron to periastron. Its wide orbit and bright host star (V = 9.85) make TOI-2010 b a valuable test bed for future lowinsolation atmospheric analysis.
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Exoplanet astronomy (486)
Exoplanet systems (484)
Exoplanet dynamics (490)
Exoplanet detection methods (489)
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