47 Ursae Majoris [SEP] constellation
47 Ursae Majoris
47 Ursae Majoris (abbreviated 47 UMa), formally named Chalawan , is a yellow dwarf star approximately 46 light-years from Earth in the constellation of Ursa Major. , three extrasolar planets (designated 47 Ursae Majoris b, c and d; the first two later named Taphao Thong and Taphao Kaew) are believed to orbit the star.
The star is located fairly close to the Solar System: according to astrometric measurements made by the Hipparcos astrometry satellite, it exhibits a parallax of 71.11 milliarcseconds,
OGLE-2006-BLG-109Lb
OGLE-2006-BLG-109Lb is an extrasolar planet approximately 4,920 light-years away in the constellation of Sagittarius. The planet was detected orbiting the star OGLE-2006-BLG-109L in 2008 by a research team using Microlensing.
See also.
- Optical Gravitational Lensing Experiment or "OGLE"
- 47 Ursae Majoris b
- OGLE-2005-BLG-390Lb
- OGLE-2006-BLG-109Lc