HIP 102642
HIP 102642
DoubleStar
Cyg
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.27
Spectral Type
G7IV
Star Color
Orange
(B-V 0.89)
Distance
181.2 ly
Position & Identifiers
RA
20h 47m 52.8s
Dec
+52° 24' 26.0"
Constellation
Cyg
HR
7972
HIP
102642
Double Cat
14322
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Visibility
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Multiple Star System
Separation
26.0″
Companion Mag
10.8
Position Angle
321°
Star Colors
A: Orange
Discoverer
ES 93
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 26.0″ · PA: 321° · 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
Companion optical.
Survey Image
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