56 Ari
Observable Variable Star
Good (47/100)
Range: 5.75 - 5.81, Period: 17.5h, Type: SXARI
HIP 14893; 56 Ari
VariableStar
Ari
Visible
Level 3
Medium telescope (6-8") - Monitor brightness changes
Physical Properties
Magnitude
5.79
Range
5.75 - 5.81
Period
17.5 hours
Variable Type
SX Arietis (Magnetic Rotating)
Spectral Type
B9pSi
Star Color
Blue-white
(B-V -0.12)
Position & Identifiers
RA
03h 12m 14.2s
Dec
+27° 15' 25.0"
Constellation
Ari
HR
954
HIP
14893
Flamsteed
56 Ari
Variable ID
SX Ari
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Visibility
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Light Curve
Comparison Stars for 56 Ari (5.7–5.8)
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
SX Ari 5.67 - 5.81V, 0.7278925d. Spectral variations (SiII, HeI, same period). Possible 30 min Sp. var. | suggesting star spots related to magnetic field. Silicon abundance varies 10 to 100 times solar, and magnesium 0.03 to | 10 times solar.
Period 0.728d probably rotation period. Earlier determination vsini 94k/s.
Survey Image
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