65 UMa
HIP 58112; 65 UMa
DoubleStar
UMa
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
6.54
Spectral Type
A3Vn
Star Color
White
(B-V 0.10)
Distance
1087.2 ly
Position & Identifiers
RA
11h 55m 05.7s
Dec
+46° 28' 37.0"
Constellation
UMa
HR
4560
HIP
58112
Flamsteed
65 UMa
Variable ID
DN UMa
Double Cat
8347
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Visibility
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Multiple Star System
Components
4
Component IDs
ABxD
Separation
0.3″
Companion Mag
9.0
Position Angle
358°
Star Colors
A: White
B: White
Discoverer
A 1777
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.3″ · PA: 358° · N up, E left
Unresolved · 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.
Stellar Notes
Amp. 0.09B, 0.87d? Uncertain which of components A, B, C of ADS 8347 is the var.
Binary with HR 4561 = ADS 8347D. AB binary 7.2, 9.0 sep. 0.3". ABxC, 8.4 at 4" also binary.
Survey Image
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