Nu CMa
HIP 31564; Nu CMa; 6 CMa
Observable Double Star
Excellent (64/100)
Sep: 17.4", Companion: mag 7.4
HIP 31564; Nu CMa; 6 CMa
DoubleStar
CMa
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.70
Spectral Type
G8III+F3IV-V
Star Color
Orange
(B-V 0.85)
Position & Identifiers
RA
06h 36m 22.8s
Dec
-18° 39' 36.0"
Constellation
CMa
HR
2423
HIP
31564
Bayer
Nu
Flamsteed
6 CMa
Double Cat
5253
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Visibility
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Multiple Star System
Separation
17.4″
Companion Mag
7.4
Position Angle
264°
Star Colors
A: Orange
Discoverer
SHJ 73
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 17.4″ · PA: 264° · 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. Companion 7.65V, +0.32(B-V), +0.02(U-B), F2V.
Survey Image
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