Ruprecht 44 is an open cluster in the Milky Way galaxy. It is about 6,600 pc away in the constellation Puppis. Ruprecht 44 is a very young open cluster, only about several million years old.
+Prominent starsStar nameLSS numberEffective temperatureAbsolute magnitudeBolometric magnitudeMass ()Spectral typeRef.WR 10 (HD 65865)LSS 91663000 -4.2 -8.525WN4.5LSS 89137200 -4.4 -827O8III(f)LSS 89835100 -4.3 -7.724BeLSS 90231600 -4.7 -7.923B0VLSS 92034700 -3.7 -7.121O9.5VLSS 90731600 -4.3 -7.420B0V
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