Omi1 Cen
HIP 56243
DoubleStar
Cen
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.13
Range
5.14 - 5.36
Period
200 days
Variable Type
Semi-Regular Variable (F-K Giant)
Spectral Type
G30-Ia
Star Color
Orange
(B-V 1.08)
Distance
136 ly
Position & Identifiers
RA
11h 31m 46.1s
Dec
-59° 26' 32.0"
Constellation
Cen
HR
4441
HIP
56243
Variable ID
Omi1 Cen
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Visibility
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Light Curve
Multiple Star System
Separation
13.4″
Companion Mag
11.4
Position Angle
127°
Star Colors
A: Orange
Discoverer
HJ 4445
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 13.4″ · PA: 127° · 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 Fusion
Stellar Notes
SRd 5.8 - 6.6p. At times shows cycles about 200d.
Possibly wide physical pair with HR 4442.
Car OB1.
Survey Image
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