Alterf
HIP 46750; Lambda Leo; 4 Leo
Observable Variable Star
Excellent (67/100)
Range: 7.0 - 12.0, Period: 12.0d
HIP 46750; Lambda Leo; 4 Leo
VariableStar
Leo
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
4.31
Spectral Type
K5III
Star Color
Red
(B-V 1.54)
Distance
163.1 ly
Position & Identifiers
RA
09h 31m 43.2s
Dec
+22° 58' 05.0"
Constellation
Leo
HR
3773
HIP
46750
Bayer
Lambda
Flamsteed
4 Leo
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Visibility
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Comparison Stars for Alterf (7.0–12.0)
Nearby stable stars for estimating brightness (AAVSO)
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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
Sp. var., 7 - 12d.
Alterf.
Survey Image
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