天鸽座η,又名CD-42 2266,HD 40808、SAO 217650、HR 2120,是天鸽座的一颗恒星[1][2],视星等为3.96,位于银经249.46,银纬-27.23,其B1900.0坐标为赤经5h 56m 5.1s,赤纬-42° -27.23′ 14″。
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