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73 Dra

HIP 101260; 73 Dra Star Dra Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 5.20
Variable Type Alpha2 CVn (Magnetic Rotating)
Spectral Type A0pSrCrEu
Star Color White (B-V 0.07)
Distance 271.8 ly

Position & Identifiers

RA 20h 31m 30.4s
Dec +74° 57' 17.0"
Constellation Dra
HR 7879
HIP 101260
Flamsteed 73 Dra
Variable ID AF Dra

Visibility

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Notes

Alpha CV 5.16 - 5.22V, 20.2728d. Also period of spectral changes and magnetic field. Var. in K-line profile | suggests star spot rotation. Rotation period 20.2754d.
551d.

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