HIP 100808
HIP 100808
DoubleStar
Cyg
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.36
Spectral Type
B9V
Star Color
White
(B-V 0.00)
Position & Identifiers
RA
20h 26m 23.5s
Dec
+56° 38' 20.0"
Constellation
Cyg
HR
7827
HIP
100808
Double Cat
13870
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Visibility
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Multiple Star System
Separation
26.7″
Companion Mag
8.3
Position Angle
118°
Star Colors
A: White
B: Yellow-white
Discoverer
STF2687
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 26.7″ · PA: 118° · 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
CPM. Secondary, A2V, vsini 75k/s.
Survey Image
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