23 Com

HIP 61394; 23 Com DoubleStar Com Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 4.81

Spectral Type A0IV

Star Color White (B-V 0.00)

Distance 815.4 ly

Position & Identifiers

RA 12h 34m 51.1s

Dec +22° 37' 45.0"

Constellation Com

HR 4789

HIP 61394

Flamsteed 23 Com

Visibility

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Multiple Star System

Separation 0.4″

Companion Mag 6.9

Position Angle 10°

Star Colors A: White B: Yellow-white

Discoverer WRH 12

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.4″ · PA: 10° · N up, E left

Unresolved · 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

Resolved by speckle interferomtery 1986.45, sep. 0.31".

Survey Image

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