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Epsilon Lup

HIP 75264; Epsilon Lup DoubleStar Lup Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 3.37
Range 3.36 - 3.38
Period 4.6 days
Variable Type Luminous Blue Variable
Spectral Type B2 IV/V
Star Color Blue (B-V -0.18)
Distance 499 ly

Position & Identifiers

RA 15h 22m 40.9s
Dec -44° 41' 22.0"
Constellation Lup
HR 5708
HIP 75264
Bayer Epsilon
Variable ID Var?

Visibility

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Light Curve

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

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Fusion

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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