Tau Lib
HIP 76600; Tau Lib; 40 Lib
Star
Lib
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
3.66
Spectral Type
B2.5 V
Star Color
Blue
(B-V -0.17)
Distance
367 ly
Position & Identifiers
RA
15h 38m 39.4s
Dec
-29° 46' 40.0"
Constellation
Lib
HR
5812
HIP
76600
Bayer
Tau
Flamsteed
40 Lib
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Visibility
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Multiple Star System
Separation
0.0″
Companion Mag
6.6
Position Angle
-1°
Star Colors
A: Blue
Discoverer
RIZ 16
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
Sco OB2; Sco-Cen assoc.; probable member of Sco-Cen cluster; upper Sco region.
A Perkins Obs. spectrogram May 8, 1962 showed two spectra, sep. 200k/s, B3V, vsini 149k/s and B5:, vsini 100:k/s.
Survey Image
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