HD 157955,即蛇夫座140G.(140 G. Ophiuchus),又名CD-2913563,SAO 185417、HR 6494,是一顆蛇夫座的恆星[1][2],視星等為6,位於銀經357.23,銀緯2.88,其B1900.0坐標為赤經17h 21m 14.9s,赤緯-29° 2.88′ 16″。
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