39 Leo
HIP 50384; 39 Leo
DoubleStar
Leo
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.82
Spectral Type
F8Vb w
Star Color
Yellow
(B-V 0.50)
Distance
52.6 ly
Position & Identifiers
RA
10h 17m 14.6s
Dec
+23° 06' 22.0"
Constellation
Leo
HR
4039
HIP
50384
Flamsteed
39 Leo
Double Cat
7712
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Visibility
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Multiple Star System
Separation
7.8″
Companion Mag
11.3
Companion Sp
M1.5
Position Angle
300°
Star Colors
A: Yellow
B: Red
Discoverer
STT 523
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 7.8″ · PA: 300° · 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 Notes
Companion is M1.
0.028".
Survey Image
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