HIP 103189
HIP 103189
DoubleStar
Cyg
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.70
Spectral Type
B8Vnne
Star Color
Blue-white
(B-V -0.07)
Position & Identifiers
RA
20h 54m 22.3s
Dec
+40° 42' 11.0"
Constellation
Cyg
HR
8009
HIP
103189
Double Cat
14413
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Visibility
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Multiple Star System
Separation
5.8″
Companion Mag
10.5
Position Angle
2°
Star Colors
A: Blue-white
B: Yellow
Discoverer
STT 420
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.8″ · PA: 2° · 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
Fixed sep.
Survey Image
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