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Chalawan

47 Ursae Majoris

Yellow Star in Ursa Major

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Proper Name	Chalawan
Bayer Designation	None
Flamsteed Number	47 Ursae Majoris
HR (BSC)	4277
HD	95128
Constellation	Ursa Major
Right Ascension	10h 59m 28s
Declination	+40° 25' 49"
Distance	45 light years 14 parsecs
Magnitude	Apparent: +5.0 Absolute: +4.3
Spectral Class	G1-VFe-0.5 yellow dwarf
Planets in this system	Taphao Thong (Chalawan b, 47 Ursae Majoris b), gas giant Taphao Kaew (Chalawan c, 47 Ursae Majoris c), gas giant Chalawan d (47 Ursae Majoris d), gas giant
Optimum Visibility	March
Notes	This fifth-magnitude yellow star has at least three planets in orbit. All three of these planets are gas giants, and the most massive of these, the inner planet Taphao Thong, is more than twice as massive as Jupiter. The star Chalawan and its planets take their names from Thai folk tradition.

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