17 CVn
Observable Double Star
Good (54/100)
Sep: 275.6", Companion: mag 6.3
HIP 64246; 17 CVn
DoubleStar
CVn
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.91
Spectral Type
A9III-IV
Star Color
Yellow-white
(B-V 0.29)
Position & Identifiers
RA
13h 10m 03.2s
Dec
+38° 29' 56.0"
Constellation
CVn
HR
4971
HIP
64246
Flamsteed
17 CVn
Double Cat
8805
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
275.6″
Companion Mag
6.3
Position Angle
296°
Star Colors
A: Yellow-white
B: Blue-white
Discoverer
STFA 24
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 275.6″ · PA: 296° · 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
Also classified F0V.
Survey Image
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