page_title: Optical Gravitational Lensing Experiment
section_title: Planets discovered
hierarchical_section_title: Optical Gravitational Lensing Experiment / Planets discovered
caption_attribution_description: English: With an estimated temperature of just 50K, OGLE-2005-BLG-390L b is the chilliest exoplanet yet discovered. (Artist's concept)
context_page_description: The Optical Gravitational Lensing Experiment is a Polish astronomical project based at the University of Warsaw that runs a long-term variability sky survey. Main goals are the detection and classification of variable stars, discoveries of the microlensing events, dwarf novae, studies of the Galaxy structure and the Magellanic Clouds. Since the project began in 1992, it has discovered multitude of extrasolar planets, together with a first planet discovered using transit method and gravitational microlensing method. The project from its inception is led by Prof. Andrzej Udalski.
context_section_description: At least seventeen planets have so far been discovered by the OGLE project. Eight of the planets were discovered by the transit method and six by the gravitational microlensing method.
  Planets are shown in the order of discovery. Planets in multiple-planet systems are highlighted in yellow. Please note that list below may not be complete.
  Notes: For events detected by the gravitational microlensing method, year stands for OGLE season, BLG means that an event detected is in the Galactic BuLGe, and the following 3-digit number is an ordinal number of microlensing event in that season. For events detected by the transit method TR stands for TRansit and the following 3-digit number is an ordinal number of transit event.
caption: Artist's impression of the planet OGLE-2005-BLG-390Lb discovered by the OGLE Team
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