Astronomy:OGLE-2005-BLG-169Lb
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Short description: Gas giant exoplanet orbiting OGLE-2005-BLG-169L
| Discovery | |
|---|---|
| Discovered by | MicroFUN, PLANET/RoboNet, OGLE |
| Discovery date | 10 March 2006 |
| Gravitational microlensing | |
| Orbital characteristics | |
| Star | OGLE-2005-BLG-169L |
| Physical characteristics | |
| Physics | ~70 K |
OGLE-2005-BLG-169Lb is an extrasolar planet located approximately 2,700 parsecs (8,800 light-years) away in the constellation of Sagittarius, orbiting the star OGLE-2005-BLG-169L. This planet was discovered by the OGLE project using the gravitational microlensing method. Based on a most likely mass for the host star of 0.49 solar mass (M☉), the planet has a mass of 13 times that of Earth (M⊕). Its mass and estimated temperature are close to those of Uranus. It is speculated that this planet may either be an ice giant like Uranus, or a "naked super-Earth" with a solid icy or rocky surface.[1]
See also
How a star can magnify and brighten the light of a background star when it passes in front of the distant star.[2]
References
- ↑ Gould, A.; Udalski, A. et al. (May 24, 2006). "Microlens OGLE-2005-BLG-169 Implies That Cool Neptune-like Planets Are Common". The Astrophysical Journal 644 (1): L37. doi:10.1086/505421. Bibcode: 2006ApJ...644L..37G. https://iopscience.iop.org/article/10.1086/505421.
- ↑ "Identifying Planets". http://www.spacetelescope.org/images/opo1527a/. Retrieved 3 August 2015.
External links
- "OGLE-05-169L". Exoplanets. http://media4.obspm.fr/exoplanets/base/etoile.php?nom=OGLE-05-169L. Retrieved 2008-08-22.
- "Newfound Ice World Alters Perceptions of Planetary Systems". SPACE.com. 13 March 2006. http://www.space.com/scienceastronomy/060313_icy_superplanet.html. Retrieved 2008-08-22.
- "MICROLENSING EVENT OGLE-2005-blg-169". PLANET/RoboNet microlensing campaign. Archived from the original on September 30, 2007. https://web.archive.org/web/20070930121735/http://star-www.st-and.ac.uk/~robonet/2005/blg-169.stamps.html. Retrieved 2008-08-22.
Coordinates: 
18h 06m 05s, −30° 43′ 57″
es:OGLE-2005-BLG-169L#OGLE-2005-BLG-169Lb
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