HIP 63143
Observable Double Star
Excellent (60/100)
Sep: 3.7", Companion: mag 7.8
HIP 63143
DoubleStar
UMa
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.82
Spectral Type
A5m
Star Color
Yellow-white
(B-V 0.19)
Distance
271.8 ly
Position & Identifiers
RA
12h 56m 17.6s
Dec
+54° 05' 58.0"
Constellation
UMa
HR
4917
HIP
63143
Double Cat
8710
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
3.7″
Companion Mag
7.8
Position Angle
280°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
STF1695
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.7″ · PA: 280° · 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
AB binary? C, 10.4v at 124" optical?
5.1274d, K 69.9k/s, V0 +7.3k/s, msin3i 0.609, asini 4.92. Possibly eclipsing? vsini both components 20k/s.
Also classified A2V.
Survey Image
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