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Tau Librae

40 Librae

Blue main sequence star in Libra

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Proper Name	None
Bayer Designation	Tau Librae
Flamsteed Number	40 Librae
HR (BSC)	5812
HD	139365
Constellation	Libra
Right Ascension	15h 38m 39s
Declination	-29° 46' 40"
Distance	367 light years 112 parsecs
Magnitude	Apparent: +3.66 Absolute: -1.60
Spectral Class	B2.5V blue main sequence star
Optimum Visibility	May / June

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