OGLE-TR-56b is an extrasolar planet located approximately 1500 parsecs away in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...

of Sagittarius, orbiting the star

OGLE-TR-56 OGLE-TR-56 is a dim, distant, magnitude 17 Sun-like star located approximately away in the constellation of Sagittarius. This star is listed as an eclipsing type variable star with the eclipse due to the passage of the planet as noted in ...

. This planet was the first known exoplanet to be discovered with the transit method. The object was discovered by the OGLE project, announced on July 5, 2002 and confirmed on January 4, 2003 by the Doppler technique. The period of this confirmed planet was the shortest until the confirmed discovery of WASP-12b on April 1, 2008. The short period and proximity of the OGLE-TR-56 b to its host mean it belongs to a class of objects known as hot Jupiters. The planet is thought to be only 4 stellar radii from its star, and hot enough to have iron rain.

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* Hot Jupiters Sagittarius (constellation) Transiting exoplanets Exoplanets discovered in 2002 Giant planets {{extrasolar-planet-stub de:OGLE-TR-56 b

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