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An Eccentric Massive Jupiter Orbiting a Subgiant on a 9.5-day Period Discovered in the Transiting Exoplanet Survey Satellite Full Frame Images
dc.contributor.author | Rodriguez, Joseph E. | |
dc.contributor.author | Crossfield, Ian | |
dc.date.accessioned | 2020-12-23T19:35:48Z | |
dc.date.available | 2020-12-23T19:35:48Z | |
dc.date.issued | 2019-04-29 | |
dc.identifier.citation | Joseph E. Rodriguez et al 2019 AJ 157 191 | en_US |
dc.identifier.uri | http://hdl.handle.net/1808/31002 | |
dc.description.abstract | We report the discovery of TOI-172 b from the Transiting Exoplanet Survey Satellite (TESS) mission, a massive hot Jupiter transiting a slightly evolved G star with a 9.48-day orbital period. This is the first planet to be confirmed from analysis of only the TESS full frame images, because the host star was not chosen as a two-minute cadence target. From a global analysis of the TESS photometry and follow-up observations carried out by the TESS Follow-up Observing Program Working Group, TOI-172 (TIC 29857954) is a slightly evolved star with an effective temperature of T eff = 5645 ± 50 K, a mass of M sstarf = ${1.128}_{-0.061}^{+0.065}$ M ⊙, radius of R sstarf = ${1.777}_{-0.044}^{+0.047}$ R ⊙, a surface gravity of log g sstarf = ${3.993}_{-0.028}^{+0.027}$, and an age of ${7.4}_{-1.5}^{+1.6}\ \mathrm{Gyr}$. Its planetary companion (TOI-172 b) has a radius of R P = ${0.965}_{-0.029}^{+0.032}$ R J, a mass of M P = ${5.42}_{-0.20}^{+0.22}$ M J, and is on an eccentric orbit ($e={0.3806}_{-0.0090}^{+0.0093}$). TOI-172 b is one of the few known massive giant planets on a highly eccentric short-period orbit. Future study of the atmosphere of this planet and its system architecture offer opportunities to understand the formation and evolution of similar systems. | en_US |
dc.publisher | IOP Publishing | en_US |
dc.rights | © 2019. The American Astronomical Society. All rights reserved. | en_US |
dc.subject | Planetary systems | en_US |
dc.subject | Planets and satellites: detection | en_US |
dc.subject | Stars: individual | en_US |
dc.subject | (TIC 29857954) | en_US |
dc.title | An Eccentric Massive Jupiter Orbiting a Subgiant on a 9.5-day Period Discovered in the Transiting Exoplanet Survey Satellite Full Frame Images | en_US |
dc.type | Article | en_US |
kusw.kuauthor | Crossfield, Ian | |
kusw.kudepartment | Physics and Astronomy | en_US |
dc.identifier.doi | 10.3847/1538-3881/ab11d9 | en_US |
dc.identifier.orcid | https://orcid.org/0000-0001-8812-0565 | en_US |
kusw.oaversion | Scholarly/refereed, publisher version | en_US |
kusw.oapolicy | This item meets KU Open Access policy criteria. | en_US |
dc.rights.accessrights | openAccess | en_US |