Epsilon Cen
HIP 66657; Epsilon Cen
Star
Cen
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
2.30
Range
2.29 - 2.31
Period
4.1 hours
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B1 III
Star Color
Blue
(B-V -0.22)
Distance
425 ly
Position & Identifiers
RA
13h 39m 53.2s
Dec
-53° 27' 59.0"
Constellation
Cen
HR
5132
HIP
66657
Bayer
Epsilon
Variable ID
Eps Cen
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Visibility
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Light Curve
Multiple Star System
Separation
36.8″
Companion Mag
13.0
Position Angle
154°
Star Colors
A: Blue
B: White
Discoverer
RST5376
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
Beta C 2.30 - 2.31V, 0.169608, 0.17696 or 0.2150d. Multi-periodic.
Companion B1p, optical.
Sco-Cen assoc.; probable member of Sco-Cen cluster.
Diam. = 0.00047 - 0.00048".
Survey Image
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