HIP 51658
HIP 51658
DoubleStar
UMa
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.75
Spectral Type
A7IV
Star Color
Yellow-white
(B-V 0.23)
Distance
105.2 ly
Position & Identifiers
RA
10h 33m 13.9s
Dec
+40° 25' 32.0"
Constellation
UMa
HR
4132
HIP
51658
Double Cat
7826
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Visibility
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Multiple Star System
Separation
16.9″
Companion Mag
11.6
Position Angle
5°
Star Colors
A: Yellow-white
Discoverer
HJ 2534
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 16.9″ · PA: 5° · 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.
Stellar Notes
Visual companion optical.
ADS 7826A, 292.56d, K 14.5k/s, V0 +9.0k/s, asini 55.6. Unresolved by speckle interferometry.
Survey Image
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