HIP 103530
Observable Double Star
Good (55/100)
Sep: 2.1", Companion: mag 6.8
HIP 103530
DoubleStar
Cyg
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.61
Spectral Type
B5Vn
Star Color
Blue-white
(B-V -0.15)
Distance
407.7 ly
Position & Identifiers
RA
20h 58m 30.1s
Dec
+50° 27' 44.0"
Constellation
Cyg
HR
8040
HIP
103530
Double Cat
14504
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.1″
Companion Mag
6.8
Position Angle
25°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
STF2741
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.1″ · PA: 25° · 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
AB binary.
0.003".
Survey Image
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