子二(天鸽座β),又名CD-35 2546,HD 39425、SAO 196240、HR 2040,是天鸽座的一颗恒星[1][2],视星等为3.12,位于銀經241.35,銀緯-27.06,其B1900.0坐标为赤經5h 47m 26s,赤緯-35° -27.06′ 21″。
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