六分儀座40,又名BD-03 2999,HD 93742、SAO 137808、HR 4229,是六分儀座的一顆恆星[1][2],視星等為6.61,位於銀經254.8,銀緯47.11,其B1900.0坐標為赤經10h 44m 13s,赤緯-3° 47.11′ 43″。
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