82 UMa
HIP 66634; 82 UMa
DoubleStar
UMa
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.46
Spectral Type
A3Vn
Star Color
White
(B-V 0.10)
Distance
296.5 ly
Position & Identifiers
RA
13h 39m 30.4s
Dec
+52° 55' 17.0"
Constellation
UMa
HR
5142
HIP
66634
Flamsteed
82 UMa
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Visibility
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Multiple Star System
Separation
7.0″
Companion Mag
20.0
Position Angle
231°
Star Colors
A: White
Discoverer
VIG 16
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 7.0″ · PA: 231° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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.
Survey Image
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