Zeta Lup
Observable Double Star
Good (51/100)
Sep: 71.7", Companion: mag 6.7
HIP 74395; Zeta Lup
DoubleStar
Lup
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
3.41
Spectral Type
G7III
Star Color
Orange
(B-V 0.92)
Distance
117.3 ly
Position & Identifiers
RA
15h 12m 17.1s
Dec
-52° 05' 57.0"
Constellation
Lup
HR
5649
HIP
74395
Bayer
Zeta
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Visibility
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Multiple Star System
Separation
71.7″
Companion Mag
6.7
Companion Sp
F8V
Position Angle
249°
Star Colors
A: Orange
B: Yellow
Discoverer
DUN 176
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 71.7″ · PA: 249° · 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
CPM. B is F8. Nearly same proper motion as HR 5646, 5647.
Survey Image
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