31 Tau

HIP 18089; 31 Tau DoubleStar Tau Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 5.67

Spectral Type B5V

Star Color White (B-V 0.06)

Position & Identifiers

RA 03h 52m 00.2s

Dec +06° 32' 05.0"

Constellation Tau

HR 1199

HIP 18089

Flamsteed 31 Tau

Visibility

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Multiple Star System

Separation 0.8″

Companion Mag 6.6

Position Angle 206°

Star Colors A: White B: Yellow-white

Discoverer KUI 15

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.8″ · PA: 206° · 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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