HIP 207
Observable Double Star
Showpiece (77/100)
Sep: 15.2", Companion: mag 7.2
HIP 207
DoubleStar
Cas
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.86
Spectral Type
G8III
Star Color
Orange
(B-V 1.09)
Distance
326.2 ly
Position & Identifiers
RA
00h 02m 36.1s
Dec
+66° 05' 56.0"
Constellation
Cas
HR
9094
HIP
207
Double Cat
1
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
15.2″
Companion Mag
7.2
Companion Sp
A1V
Position Angle
70°
Star Colors
A: Orange
B: White
Discoverer
STF3053
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 15.2″ · PA: 70° · 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
ADS 1B, 7.47V, +0.08(B-V), +0.05(U-B), A2Vn, vsini 275k/s, may be shell star. AB binary. C, 10.8m at 99" optical.
Survey Image
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