Eta Mic
HIP 104177; Eta Mic
DoubleStar
Mic
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.53
Spectral Type
K3III
Star Color
Red
(B-V 1.35)
Position & Identifiers
RA
21h 06m 25.5s
Dec
-41° 23' 10.0"
Constellation
Mic
HR
8069
HIP
104177
Bayer
Eta
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
43.8″
Companion Mag
14.6
Position Angle
54°
Star Colors
A: Red
Discoverer
SEE 437
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 43.8″ · PA: 54° · 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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