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18 Mon

HIP 32578; 18 Mon DoubleStar Mon Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 4.47
Spectral Type K0+IIIaBa0.2
Star Color Orange (B-V 1.11)
Distance 191.9 ly

Position & Identifiers

RA 06h 47m 51.6s
Dec +02° 24' 44.0"
Constellation Mon
HR 2506
HIP 32578
Flamsteed 18 Mon

Visibility

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Multiple Star System

Separation 0.6″
Companion Mag 11.0
Companion Sp III
Position Angle 142°
Star Colors A: Orange
Discoverer RBR 38

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 142° A (4.5) B (11.0)

Sep: 0.6″ · PA: 142° · 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

Also classified K0III Ba 0.1.

Survey Image

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