56 Ari
HIP 14893; 56 Ari
Star
Ari
Visible
Level 2
Small telescope (4")
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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Stellar Absorption Spectrum
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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.
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