Pi Cep
Observable Double Star
Fair (27/100)
Sep: 1.1", Companion: mag 6.8
HIP 114222; Pi Cep; 33 Cep
DoubleStar
Cep
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.41
Spectral Type
G2III
Star Color
Orange
(B-V 0.80)
Distance
543.6 ly
Position & Identifiers
RA
23h 07m 53.9s
Dec
+75° 23' 15.0"
Constellation
Cep
HR
8819
HIP
114222
Bayer
Pi
Flamsteed
33 Cep
Double Cat
16538
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
1.1″
Companion Mag
6.8
Position Angle
3°
Star Colors
A: Orange
B: Red
Discoverer
STT 489
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.1″ · PA: 3° · 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
AB 4.6 G2III, 6.6 F3V, 150y, a = 0.86". Combined mag., colors. Companion may be collapsed star.
ADS 16538A, 556.2d, K 23.0k/s, V0 -19.6k/s, asini 169.
0.020".
Survey Image
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