HIP 21110
HIP 21110
DoubleStar
Eri
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.21
Spectral Type
A3V
Star Color
White
(B-V 0.12)
Position & Identifiers
RA
04h 31m 25.9s
Dec
-13° 38' 42.0"
Constellation
Eri
HR
1438
HIP
21110
Double Cat
3284
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Visibility
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Multiple Star System
Separation
29.6″
Companion Mag
9.3
Position Angle
45°
Star Colors
A: White
B: Yellow
Discoverer
STF 560
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 29.6″ · PA: 45° · 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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