Eta CMi
HIP 36265; Eta CMi; 5 CMi
DoubleStar
CMi
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.25
Spectral Type
F0III
Star Color
Yellow-white
(B-V 0.22)
Distance
326.2 ly
Position & Identifiers
RA
07h 28m 02.1s
Dec
+06° 56' 31.0"
Constellation
CMi
HR
2851
HIP
36265
Bayer
Eta
Flamsteed
5 CMi
Double Cat
6101
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Visibility
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Multiple Star System
Separation
4.3″
Companion Mag
11.1
Position Angle
28°
Star Colors
A: Yellow-white
Discoverer
BU 21
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.3″ · PA: 28° · 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
CPM.
Possible Pleiades group.
Survey Image
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