Pherkad
HIP 75097; Gamma UMi; 13 UMi
HIP 75097; Gamma UMi; 13 UMi
Star
UMi
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
3.05
Range
3.04 - 3.09
Period
3.4 hours
Variable Type
Delta Scuti (Low Amplitude)
Spectral Type
A2III
Star Color
White
(B-V 0.05)
Distance
486.7 ly
Position & Identifiers
RA
15h 20m 43.7s
Dec
+71° 50' 02.0"
Constellation
UMi
HR
5735
HIP
75097
Bayer
Gamma
Flamsteed
13 UMi
Variable ID
Gam UMi
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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
Delta Sct? Amp. 0.03V. Hydrogen and CaII variable.
Shell star, but shell possibly variable.
0.108449d, but not SB. Variable elements.
Pherkad; Pherkad Major. See HR 5563 and 5714.
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