Upsilon Lib
HIP 76470; Upsilon Lib; 39 Lib
DoubleStar
Lib
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
3.58
Spectral Type
K3.5III
Star Color
Red
(B-V 1.38)
Distance
223.7 ly
Position & Identifiers
RA
15h 37m 01.5s
Dec
-28° 08' 06.0"
Constellation
Lib
HR
5794
HIP
76470
Bayer
Upsilon
Flamsteed
39 Lib
Double Cat
9705
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Visibility
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Multiple Star System
Separation
3.5″
Companion Mag
10.8
Position Angle
165°
Star Colors
A: Red
Discoverer
I 1271
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.5″ · PA: 165° · N up, E left
Resolved · 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
Ultraviolet FeII emission.
Survey Image
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