HIP 20552
HIP 20552
DoubleStar
Dor
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.29
Spectral Type
G4V
Star Color
Yellow
(B-V 0.66)
Distance
77.7 ly
Position & Identifiers
RA
04h 24m 12.2s
Dec
-57° 04' 17.0"
Constellation
Dor
HR
1405
HIP
20552
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Visibility
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Multiple Star System
Separation
5.3″
Companion Mag
7.2
Position Angle
248°
Star Colors
A: Yellow
B: Orange
Discoverer
RMK 4
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.3″ · PA: 248° · 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
Binary. Components G1V and G5V.
0.044".
Np companion -5.2k/s.
Survey Image
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