Gamma Lup
HIP 76297; Gamma Lup
DoubleStar
Lup
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
2.78
Spectral Type
B2 IV
Star Color
Blue
(B-V -0.20)
Distance
407.7 ly
Position & Identifiers
RA
15h 35m 08.5s
Dec
-41° 10' 01.0"
Constellation
Lup
HR
5776
HIP
76297
Bayer
Gamma
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Visibility
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Multiple Star System
Separation
0.8″
Companion Mag
3.5
Position Angle
275°
Star Colors
A: Blue
B: Blue-white
Discoverer
HJ 4786
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.8″ · PA: 275° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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 Notes
3.5 B2IV-V, 3.6 B2IV-V, 147y, a = 0.59". Combined mag., colors.
Probable member of Sco-Cen cluster; upper Cen group of Sco-Cen assoc.
Spectra obtained in March 1987 at Vainu Bappu Obs. showed H alpha profiles with emission peaks. The star may be in | transition from B to Be type.
Expanding circumstellar shell.
Survey Image
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