Category:HD 187123 b

**HD 187123 b**
	extrasolar planet
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	Wikipedia
Instance of	exoplanet;
Constellation	Cygnus;
Discoverer or inventor	R. Paul Butler;
Time of discovery or invention	9 September 1998; December 1998;
Mass	0.52 ±0.04 M_J;
	Right ascension 296.74213442016 degree; Declination 34.419522185313 degree
Authority file
	Q81282; SIMBAD ID: HD 187123b
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