58 Per
HIP 21476; 58 Per
DoubleStar
Per
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.25
Spectral Type
K4III+A3V
Star Color
Red
(B-V 1.22)
Distance
203.8 ly
Position & Identifiers
RA
04h 36m 41.4s
Dec
+41° 15' 53.0"
Constellation
Per
HR
1454
HIP
21476
Flamsteed
58 Per
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Visibility
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Multiple Star System
Separation
0.1″
Star Colors
A: Red
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
A* 4.27 G8II+B, 28.67y, a = 0.054"(not confirmed).
10,470d, K 12.8k/s, V0 +5.9k/s, asini 1400. One of the longest SB periods known, 28.67y. Masses 6 and 5 solar. | Unresolved by speckle interferometry. vsini of both components =<50k/s.
Also classified K0II-III + B9V.
Survey Image
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