Hamal
HIP 9884; Alpha Ari; 13 Ari
Physical Properties
Magnitude
2.00
Range
2.00 - 2.03
Variable Type
Slow Irregular Variable
Spectral Type
K1IIIb
Star Color
Red
(B-V 1.15)
Distance
67 ly
Position & Identifiers
RA
02h 07m 10.4s
Dec
+23° 27' 45.0"
Constellation
Aries
(Ari)
HR
617
HIP
9884
Bayer
Alpha
Flamsteed
13 Ari
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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 Fusion
Exoplanets
1 known planet
| Planet | Radius | Mass | Period | Distance |
|---|---|---|---|---|
| alf Ari b | 13.40R⊕ | 1.80M♃ | 1.0yr | 66ly |
Habitable Zone
Size & Mass Comparison
Stellar Notes
Also classified K2IIIab Ca-1.
HAMAL; Hemal; Hamul; Ras Hammel; El Nath (obsolete). The name Arietis also used both for the star and the constellation.
Light Travel Time Machine
Relativistic Travel
Survey Image
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