Menkent
Theta Cen
HIP 68933; Theta Cen; 5 Cen
DoubleStar
Cen
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
2.06
Spectral Type
K0III
Star Color
Orange
(B-V 1.01)
Distance
58.8 ly
Position & Identifiers
RA
14h 06m 41.0s
Dec
-36° 22' 12.0"
Constellation
Cen
HR
5288
HIP
68933
Bayer
Theta
Flamsteed
5 Cen
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Visibility
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Multiple Star System
Separation
3.0″
Companion Mag
14.0
Position Angle
180°
Star Colors
A: Orange
Discoverer
DUN 253
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.0″ · PA: 180° · N up, E left
At limit · 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
Theta Cen group?
Menkent.
Survey Image
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