Kepler-1704b
Eccentric super-Jupiter orbiting Kepler-1704
Kepler-1704b is a super-Jupiter on a highly eccentric orbit around the star Kepler-1704. It has a mass of 4.51 MJ. The planet's distance from its star varies from 0.16 to 3.9 AU. It is a failed hot Jupiter, having been scattered from its birth orbit to orbit with a periastron just above the tidal circularization distance.[1]
Characteristics
Kepler-1704b is much more massive than Jupiter, at 4.51 MJ.[1] The high planetary mass makes Kepler-1704b a super-Jupiter. Kepler-1704b goes on a highly eccentric 2.7 year-long (988.88 days) orbit around its star as well as transiting.[1] The extreme eccentricity yields a temperature difference of up to 700 K.[1]
Star
The star, Kepler-1704, is a G2, 5745-kelvin star 825 parsecs (2,690 ly) from Earth and the sun. It has a mass of 1.131 M☉, a radius of 1.697 R☉, and a luminosity of 2.83 L☉. The high radius for the star's mass hints that Kepler-1704 is not a main-sequence star.[3]
See also
- Gas giant
- List of planet types
- Kepler-419b
- HD 80606 b
- HR 5183 b
- HD 20782 b
References
- ^ a b c d e f Dalba, Paul A.; Kane, Stephen R.; Li, Zhexing; Macdougall, Mason G.; Rosenthal, Lee J.; Cherubim, Collin; Isaacson, Howard; Thorngren, Daniel P.; Fulton, Benjamin; Howard, Andrew W.; Petigura, Erik A. (2021-07-14). "Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Yr, Highly Eccentric Orbit". The Astronomical Journal. 162 (4): 154. arXiv:2107.06901. Bibcode:2021AJ....162..154D. doi:10.3847/1538-3881/ac134b. S2CID 235898945.
- ^ a b "Kepler Objects of Interest". exoplanetarchive.ipac.caltech.edu. Retrieved 2021-07-25.
- ^ Dalba, Paul A.; Kane, Stephen R.; Li, Zhexing; Macdougall, Mason G.; Rosenthal, Lee J.; Cherubim, Collin; Isaacson, Howard; Thorngren, Daniel P.; Fulton, Benjamin; Howard, Andrew W.; Petigura, Erik A.; Schwieterman, Edward W.; Peluso, Dan O.; Esposito, Thomas M.; Marchis, Franck; Payne, Matthew J. (2021). "Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Yr, Highly Eccentric Orbit". The Astronomical Journal. 162 (4): 154. arXiv:2107.06901. Bibcode:2021AJ....162..154D. doi:10.3847/1538-3881/ac134b. S2CID 235898945.
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