GY And
HIP 7651
Star
And
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
6.36
Range
6.27 - 6.44
Period
8000 days
Variable Type
Alpha2 CVn (Magnetic Rotating)
Spectral Type
B9pCrEu
Star Color
White
(B-V 0.04)
Position & Identifiers
RA
01h 38m 31.7s
Dec
+45° 23' 60.0"
Constellation
And
HR
465
HIP
7651
Variable ID
GY And
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Stellar Notes
Alpha CV 6.27 - 6.41V, 36.5d; Sp. and magnetic field var., 22-24y. UII and PmII lines vary in 6.7 hrs.
272.99d, K 11.3k/s, V0 -0.55k/s, asini 37.4.
Spectra show high uranium to thorium ratio. Promethium doubtful. Anomalously high abundance of heavy elements. | 1000-fold overabundance for the rare earths, Mo and Nb; 100 for Sr and Zr; lanthanides 100,000 times; uranium a million | times more abundant than in solar system.
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