| Discovery | |
|---|---|
| Discovery site | OGLE |
| Discovery date | October 2020 (published August 2022) |
| Detection method | Gravitional Microlensing |
| Orbital characteristics | |
| Semi-major axis | 1.38+0.61 −0.31 |
| Physical characteristics | |
| Mass | 0.22 MJ |
OGLE-2018-BLG-0799Lb is a sub-Saturn-mass exoplanet discovered by the Optical Gravitational Lensing Experiment (OGLE) collaboration, through a gravitational microlensing event that occurred in May 2018. The discovery was announced in October 2020, and published in August 2022.
It has a mass of 0.22 Jupiter masses and is 14,400 light years away from earth. It orbits a dwarf star of approximately 0.08 solar masses.
References
- ^ Zang, Weicheng; Shvartzvald, Yossi; Udalski, Andrzej; Yee, Jennifer C.; Lee, Chung-Uk; Sumi, Takahiro; Zhang, Xiangyu; Yang, Hongjing; Mao, Shude; Novati, Sebastiano Calchi; Gould, Andrew (August 2022). "OGLE-2018-BLG-0799Lb: a q∼2.7×10 planet with Spitzer parallax". Monthly Notices of the Royal Astronomical Society. 514 (4): 5952–5968. arXiv:2010.08732. Bibcode:2022MNRAS.514.5952Z. doi:10.1093/mnras/stac1631.
- "New sub-Saturn-mass exoplanet discovered". phys.org. Retrieved 26 November 2020.
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