47 Ursae Majoris (abbreviated 47 UMa), formally named Chalawan , is a yellow dwarf star approximately 45.3 light-years from Earth in the constellation of Ursa Major. As of 2011, three extrasolar planets (designated 47 Ursae Majoris b, c and d; the first two later named Taphao Thong and Taphao Kaew) are known to orbit the star.
Spectral type
G0V
Apparent mag.
#<Wikidata::MashSubclass type="quantity" value=#<Wikidata::MashSubclass amount="+5.03" unit="1">>
Absolute mag.
#<Wikidata::MashSubclass type="quantity" value=#<Wikidata::MashSubclass amount="+4.47" unit="1">>
Distance
#<Wikidata::MashSubclass type="quantity" value=#<Wikidata::MashSubclass amount="+13.7967" lowerBound="+13.7678" unit="http://www.wikidata.org/entity/Q12129" upperBound="+13.8256">>
Mass
1.005191702855 M☉
Radius
1.136536564935 R☉
