42 Lyn

HIP 47300; 42 Lyn DoubleStar Lyn Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.25

Spectral Type F0V

Star Color Yellow-white (B-V 0.22)

Position & Identifiers

RA 09h 38m 21.7s

Dec +40° 14' 23.0"

Constellation Lyn

HR 3829

HIP 47300

Flamsteed 42 Lyn

Visibility

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Multiple Star System

Separation 62.7″

Companion Mag 11.6

Companion Sp K5

Position Angle 297°

Star Colors A: Yellow-white B: Red

Discoverer SKF2572

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 62.7″ · PA: 297° · 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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