Zubenelhakrabi
HIP 76333; Gamma Lib; 38 Lib
HIP 76333; Gamma Lib; 38 Lib
DoubleStar
Libra
(Lib)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.91
Spectral Type
G8.5III
Star Color
Orange
(B-V 1.01)
Distance
163 ly
Position & Identifiers
RA
15h 35m 31.6s
Dec
-14° 47' 22.0"
Constellation
Libra
(Lib)
HR
5787
HIP
76333
Bayer
Gamma
Flamsteed
38 Lib
Double Cat
9704
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Visibility
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Multiple Star System B: optical
Components
3
Component IDs
AP
Separation
41.9″
Companion Mag
11.2
Position Angle
158°
Star Colors
A: Orange
Discoverer
GOL 1
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 41.9″ · PA: 158° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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
Exoplanets
2 known planets
| Planet | Radius | Mass | Period | Distance |
|---|---|---|---|---|
| gam Lib b | 13.70R⊕ | 1.13M♃ | 1.1yr | 155ly |
| gam Lib c | 12.80R⊕ | 5.23M♃ | 2.6yr | 155ly |
Habitable Zone
Size & Mass Comparison
Stellar Notes
ADS 9704 AP, sep. 0.097", unresolved by speckle interferometry. Component B, 11.2v at 42", optical.
Zuben Elakrab; Zuben Hakraki; Zuben el Hakrabi.
Light Travel Time Machine
Relativistic Travel
Survey Image
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