IQ Aur
HIP 24799
Star
Aur
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
5.41
Range
5.35 - 5.43
Period
2.5 days
Variable Type
Alpha2 CVn (Magnetic Rotating)
Spectral Type
A0pSi
Star Color
Blue
(B-V -0.19)
Position & Identifiers
RA
05h 18m 60.0s
Dec
+33° 44' 54.0"
Constellation
Aur
HR
1732
HIP
24799
Variable ID
IQ Aur
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Stellar Notes
Alpha CV 5.35 - 5.41V, 2.4660d. Spectrum var. same period.
Possible CPM with HR 1728.
Double lines.
Magnetic star showing chlorine. Silicon star. Helium and neon deficient. Bluest known peculiar A-star: color | characteristic of about B4V. Classified A0p because He weak, but in other respects the color is more indicative of the | temperature than the spectral class of Ap stars. One of the hottest Ap stars known, about 17000K.
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