15 CVn

HIP 64217; 15 CVn DoubleStar CVn Visible Level 2 Small telescope (4") - Requires steady seeing

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Physical Properties

Magnitude 6.28

Spectral Type B7III

Star Color Blue-white (B-V -0.12)

Position & Identifiers

RA 13h 09m 42.0s

Dec +38° 32' 02.0"

Constellation CVn

HR 4967

HIP 64217

Flamsteed 15 CVn

Double Cat 8805

Visibility

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Multiple Star System

Components 3

Component IDs AC

Separation 284.4″

Companion Mag 9.2

Position Angle 269°

Star Colors A: Blue-white B: Yellow-white

Eyepiece View

Telescope Eyepiece

32x Dawes: 1.9″ TFOV: 1.6°

Seeing

Scale Realistic = true angular size

Sep: 284.4″ · PA: 269° · 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

Double Star

ADS 8805BC. Binary? C, 11.2 at 1". A is HR 4971, not CPM. ADS and IDS differ on naming of the components. IDS, | adopted here, is the more consistent with FGW Struve's early discovery.

Survey Image

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