54 Per
HIP 20252; 54 Per
DoubleStar
Per
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.93
Spectral Type
G8III
Star Color
Orange
(B-V 0.94)
Position & Identifiers
RA
04h 20m 24.6s
Dec
+34° 34' 00.0"
Constellation
Per
HR
1343
HIP
20252
Flamsteed
54 Per
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Visibility
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Multiple Star System
Separation
93.0″
Companion Mag
13.0
Position Angle
339°
Star Colors
A: Orange
Discoverer
BU 1382
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 93.0″ · PA: 339° · 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.
Survey Image
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