Beta Lac

HIP 110538; Beta Lac; 3 Lac DoubleStar Lac Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 4.43

Spectral Type G8.5IIIbCa1

Star Color Orange (B-V 1.02)

Distance 155.3 ly

Position & Identifiers

RA 22h 23m 33.6s

Dec +52° 13' 45.0"

Constellation Lac

HR 8538

HIP 110538

Bayer Beta

Flamsteed 3 Lac

Visibility

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Multiple Star System

Separation 0.2″

Position Angle 168°

Star Colors A: Orange

Discoverer CHR 108

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.2″ · PA: 168° · 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

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Survey Image

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