Menu

Epsilon Lup

HIP 75264; Epsilon Lup DoubleStar Lupus (Lup) Visible Level 5 Expert level - Requires steady seeing
Star Map
Add to List Add to Plan Back to Catalog

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 Lupus (Lup)
HR 5708
HIP 75264
Bayer Epsilon
Variable ID Var?

Visibility

Set a location in User Settings to see visibility data.

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

Querying VizieR for stellar data…

Compare Stars

Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

Loading HR diagram…

Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

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.

Light Travel Time Machine

Relativistic Travel

Survey Image

Loading survey image…

}