HIP 108364
HIP 108364
DoubleStar
Cep
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
6.43
Spectral Type
B2V
Star Color
Blue-white
(B-V -0.05)
Position & Identifiers
RA
21h 57m 11.1s
Dec
+66° 09' 22.0"
Constellation
Cep
HR
8384
HIP
108364
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Visibility
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Multiple Star System
Separation
101.0″
Companion Mag
6.8
Position Angle
127°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
ARY 43
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 101.0″ · PA: 127° · 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 Fusion
Stellar Notes
Companion HD 208971, 7.0, K5III-IV, probably optical.
2.9899d, K 116.2k/s, V0 -10.6k/s, msin3i 2.47, asini 4.68.
IR catalogue indicates Sp. K5, therefore the secondary of the binary.
Cep OB2.
Survey Image
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