18 Aur

HIP 24832; 18 Aur DoubleStar Aur Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 6.49

Spectral Type A7V

Star Color Yellow-white (B-V 0.24)

Position & Identifiers

RA 05h 19m 23.6s

Dec +33° 59' 08.0"

Constellation Aur

HR 1734

HIP 24832

Flamsteed 18 Aur

Double Cat 3893

Visibility

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Multiple Star System

Separation 3.8″

Companion Mag 12.5

Position Angle 171°

Star Colors A: Yellow-white

Discoverer HO 18

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 3.8″ · PA: 171° · 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

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Survey Image

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