波江座τ,又名BD-19 518,HD 17206、SAO 148584、HR 818,是波江座的一颗恒星[1][2],视星等为4.47,位于银经200.83,银纬-62.53,其B1900.0坐标为赤经2h 40m 26.1s,赤纬-18° -62.53′ 45″。
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