Lambda Cep
HIP 109556; Lambda Cep; 22 Cep
Star
Cep
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
5.04
Spectral Type
O6I(n)fp
Star Color
Yellow-white
(B-V 0.25)
Distance
543.6 ly
Position & Identifiers
RA
22h 11m 30.7s
Dec
+59° 24' 52.0"
Constellation
Cep
HR
8469
HIP
109556
Bayer
Lambda
Flamsteed
22 Cep
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Visibility
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Multiple Star System
Separation
0.0″
Companion Mag
10.5
Position Angle
79°
Star Colors
A: Yellow-white
Discoverer
CIA 45
Eyepiece View
15x
Dawes: 1.9″
TFOV: 3.3°
Realistic = true angular size
Sep: 0.0″ · PA: 79° · 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
Polarization variable in intervals of about a day.
Runaway star from Cep OB2; in broken HII region within a reflection nebula.
Also classified O6f, O6ef and O6.5If; uv 1394 absorption very strong, 1548 absorption strong, emission very strong.
Survey Image
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