Kappa Cep
Observable Double Star
Excellent (65/100)
Sep: 7.3", Companion: mag 8.3
HIP 99255; Kappa Cep; 1 Cep
DoubleStar
Cep
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.39
Spectral Type
B9III
Star Color
Blue-white
(B-V -0.05)
Distance
3261.6 ly
Position & Identifiers
RA
20h 08m 53.3s
Dec
+77° 42' 41.0"
Constellation
Cep
HR
7750
HIP
99255
Bayer
Kappa
Flamsteed
1 Cep
Double Cat
13524
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
7.3″
Companion Mag
8.3
Position Angle
121°
Star Colors
A: Blue-white
B: Yellow
Discoverer
STF2675
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 7.3″ · PA: 121° · 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
Member of Pleiades group.
0.008".
Survey Image
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