5 Per
HIP 10227; 5 Per
DoubleStar
Per
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
6.36
Spectral Type
B5Ia
Star Color
Yellow-white
(B-V 0.33)
Position & Identifiers
RA
02h 11m 29.0s
Dec
+57° 38' 45.0"
Constellation
Per
HR
627
HIP
10227
Flamsteed
5 Per
Variable ID
Var?
Double Cat
1685
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
5.3″
Companion Mag
12.4
Position Angle
266°
Star Colors
A: Yellow-white
Discoverer
BU 874
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.3″ · PA: 266° · 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
B, mag. diff 6.9v at 5.6".
Per OB1; h Per.
Survey Image
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