OGLE2-TR-L9b is an extrasolar planet discovered by three undergraduate students from Leiden University, Netherlands. The planet is about 4.5 times as massive as Jupiter and is the first discovered planet orbiting a fast-rotating hot star.[2]
 Artist impression of OGLE2-TR-L9b and its star | |
| Discovery | |
|---|---|
| Discovered by | Meta de Hoon Remco van der Burg Francis Vuijsje |
| Discovery date | December 2, 2008 |
| Transit | |
| Orbital characteristics | |
| 2.4855335 ± 0.0000007 d 59.6528 h | |
| Star | OGLE2-TR-L9 |
| Physical characteristics | |
| 1.958+0.174 −0.111[1] RJ | |
| Mass | 4.5 ± 1.5 MJ[2] |
Initially discovered while testing a method for investigating light fluctuations in the OGLE database, the planet's existence was later confirmed by follow-up observations from the ESO's Very Large Telescope in Chile.[2]
See also
editReferences
edit- ^ Johns, Daniel; Marti, Connor; Huff, Madison; McCann, Jacob; Wittenmyer, Robert A.; Horner, Jonathan; Wright, Duncan J. (2018-11-01). "Revised Exoplanet Radii and Habitability Using Gaia Data Release 2". The Astrophysical Journal Supplement Series. 239 (1): 14. arXiv:1808.04533. Bibcode:2018ApJS..239...14J. doi:10.3847/1538-4365/aae5fb. ISSN 0067-0049.
- ^ a b c Snellen; Koppenhoefer, J.; Van Der Burg, R. F. J.; Dreizler, S.; Greiner, J.; De Hoon, M. D. J.; Husser, T. O.; Krühler, T.; Saglia, R. P.; Vuijsje, F. N. (2009). "OGLE2-TR-L9b: an exoplanet transiting a rapidly rotating F3 star" (PDF). Astronomy and Astrophysics. 497 (2): 545–550. arXiv:0812.0599. Bibcode:2009A&A...497..545S. doi:10.1051/0004-6361/200810917. S2CID 15639369.
External links
edit
Media related to OGLE2-TR-L9 b at Wikimedia Commons
- "OGLE2-TR-L9". Exoplanets. Archived from the original on 2016-03-03. Retrieved 2009-05-01.
- Students Discover Unique Planet
- "Students find planet outside our solar system". NBC News. 2008-12-04. Retrieved 2008-12-04.
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