7 Cep
HIP 105972; 7 Cep
DoubleStar
Cepheus
(Cep)
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.44
Spectral Type
B7V
Star Color
Blue-white
(B-V -0.11)
Distance
544 ly
Position & Identifiers
RA
21h 27m 46.1s
Dec
+66° 48' 33.0"
Constellation
Cepheus
(Cep)
HR
8227
HIP
105972
Flamsteed
7 Cep
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Visibility
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Multiple Star System
Separation
0.6″
Companion Mag
9.2
Position Angle
321°
Star Colors
A: Blue-white
B: Yellow
Discoverer
DCH 115
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.6″ · PA: 321° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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Spectral Classification
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