Alcor
HIP 65477; 80 UMa
HIP 65477; 80 UMa
DoubleStar
UMa
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.01
Variable Type
Delta Scuti (Pulsating)
Spectral Type
A5V
Star Color
Yellow-white
(B-V 0.16)
Distance
72.5 ly
Position & Identifiers
RA
13h 25m 13.5s
Dec
+54° 59' 17.0"
Constellation
UMa
HR
5062
HIP
65477
Flamsteed
80 UMa
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Visibility
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Multiple Star System
Separation
1.0″
Companion Mag
8.0
Companion Sp
G1Va
Star Colors
A: Yellow-white
B: Yellow
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Delta Sct.
CPM with HR 5054-5.
"Dipper Stars;" Sirius group; UMa stream; UMa moving cluster.
ALCOR; Saidak.
Survey Image
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