CU Vir
HIP 69389
DoubleStar
Vir
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.01
Variable Type
Alpha2 CVn (Magnetic Rotating)
Spectral Type
A0VpSi
Star Color
Blue-white
(B-V -0.12)
Distance
362.4 ly
Position & Identifiers
RA
14h 12m 15.8s
Dec
+02° 24' 34.0"
Constellation
Vir
HR
5313
HIP
69389
Variable ID
CU Vir
Double Cat
9152
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Visibility
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Multiple Star System
Separation
56.7″
Companion Mag
12.4
Position Angle
210°
Star Colors
A: Blue-white
Discoverer
HJ 3343
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 56.7″ · PA: 210° · 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
Alpha CV 4.98 - 5.05V, 0.52067688d. Same period spectrum var. Si a major source of photometric variability and | suggests starspots related to magnetic field. SiII varies out of phase with HeI. Period unusually short for star with | peculiar A-type spectrum.
Optical companion.
Member of Pleiades group.
Survey Image
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