Epsilon Lup
HIP 75264; Epsilon Lup
DoubleStar
Lup
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
3.37
Spectral Type
B2 IV/V
Star Color
Blue
(B-V -0.18)
Distance
498.8 ly
Position & Identifiers
RA
15h 22m 40.9s
Dec
-44° 41' 22.0"
Constellation
Lup
HR
5708
HIP
75264
Bayer
Epsilon
Variable ID
Var?
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
0.2″
Companion Mag
5.0
Position Angle
6°
Star Colors
A: Blue
B: Blue-white
Discoverer
COP 2
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 6° · 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
Var? Amp. 0.015b.
AB binary. Combined mag., colors. C, 9v at 27" probably optical.
Primary of visual system, 4.5598d, K 56.1k/s, V0 +7.9k/s, msin3i 0.404, asini 3.40.
Upper Cen group of Sco-Cen assoc.
Comp. C, -26k/s.
Survey Image
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