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.[1]

OGLE2-TR-L9b

Size comparison of OGLE2-TR-L9b with Jupiter.
Discovery
Discovered by	Meta de Hoon Remco van der Burg Francis Vuijsje
Discovery date	December 2, 2008
Detection method	Transit
Orbital characteristics
Orbital period (sidereal)	2.4855335 ± 0.0000007 d 59.6528 h
Star	OGLE2-TR-L9
Physical characteristics
Mean radius	1.61 ± 0.04 RJ
Mass	4.5 ± 1.5 MJ

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.[1]

See also

• Optical Gravitational Lensing Experiment OGLE
• OGLE-TR-113b
• OGLE-TR-10b
• OGLE-TR-111b
• OGLE-TR-56b

References

External links

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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