HIP 103871
HIP 103871
DoubleStar
Cyg
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
6.48
Spectral Type
B3Vn
Star Color
Blue-white
(B-V -0.15)
Distance
362.4 ly
Position & Identifiers
RA
21h 02m 48.5s
Dec
+45° 50' 56.0"
Constellation
Cyg
HR
8064
HIP
103871
Double Cat
14585
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Visibility
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Multiple Star System
Components
5
Component IDs
AB
Separation
0.2″
Companion Mag
7.3
Position Angle
40°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
BU 1138
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 40° · 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, combined mag., colors. CE optical.
0.002".
Survey Image
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