131 Tau

HIP 27316; 131 Tau DoubleStar Tau Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 5.72

Spectral Type A3Vn

Star Color White (B-V 0.04)

Distance 155.3 ly

Position & Identifiers

RA 05h 47m 13.2s

Dec +14° 29' 18.0"

Constellation Tau

HR 1989

HIP 27316

Flamsteed 131 Tau

Visibility

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Multiple Star System

Separation 0.2″

Companion Mag 6.9

Position Angle 193°

Star Colors A: White B: Yellow-white

Discoverer CHR 160

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.2″ · PA: 193° · 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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