HIP 100574
HIP 100574
Star
Cyg
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
5.90
Spectral Type
B2Ven
Star Color
Blue
(B-V -0.20)
Position & Identifiers
RA
20h 23m 44.4s
Dec
+37° 28' 35.0"
Constellation
Cyg
HR
7807
HIP
100574
Variable ID
Var?
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Visibility
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Multiple Star System
Separation
0.0″
Companion Mag
7.2
Companion Sp
sdO
Position Angle
21°
Star Colors
A: Blue
Discoverer
CIA 20
Eyepiece View
15x
Dawes: 1.9″
TFOV: 3.3°
Realistic = true angular size
Sep: 0.0″ · PA: 21° · 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
Shell star.
Survey Image
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