Rho Leo
HIP 51624; Rho Leo; 47 Leo
Star
Leo
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
3.85
Range
3.83 - 3.90
Period
3.4 days
Variable Type
ACYG
Spectral Type
B1.5Ib
Star Color
Blue-white
(B-V -0.14)
Distance
5,436 ly
Position & Identifiers
RA
10h 32m 48.7s
Dec
+09° 18' 24.0"
Constellation
Leo
HR
4133
HIP
51624
Bayer
Rho
Flamsteed
47 Leo
Variable ID
Rho Leo
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Visibility
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Light Curve
Multiple Star System
Separation
0.0″
Companion Mag
4.8
Position Angle
98°
Star Colors
A: Blue-white
Discoverer
WRH 19
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
Alpha Cyg 3.83 - 3.90V.
4.4, 4.8v, sep. 0.11"; combined mag., colors.
Inferred statistically by F. Schlesinger in 1915. Unresolved by speckle interferometry 1982.17.
Color excess E(B-V) = +0.08.
Lyman beta observed from COPERNICUS. Nitrogen enhanced, and carbon deficient.
Survey Image
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