Omega Leo
HIP 46454; Omega Leo; 2 Leo
DoubleStar
Leo
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.41
Spectral Type
F9V
Star Color
Yellow
(B-V 0.60)
Distance
96 ly
Position & Identifiers
RA
09h 28m 27.5s
Dec
+09° 03' 24.0"
Constellation
Leo
HR
3754
HIP
46454
Bayer
Omega
Flamsteed
2 Leo
Double Cat
7390
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Visibility
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Multiple Star System
Separation
0.9″
Companion Mag
7.3
Position Angle
118°
Star Colors
A: Yellow
B: Orange
Discoverer
STF1356
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.9″ · PA: 118° · N up, E left
Unresolved · 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
5.87 dF8, 6.53, 116.85y, a = 0.875" or 118.227y, a = 0.880".
116.85y D, K 2.2k/s, V0 -6.0k/s, asini 1070. Orbit questioned by Morbey and Griffin (1987, ApJ, 317, 343).
0.024".
Survey Image
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