Nu Tau

HIP 18907; Nu Tau; 38 Tau DoubleStar Tau Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 3.91

Spectral Type A0.5V

Star Color White (B-V 0.03)

Distance 116.9 ly

Position & Identifiers

RA 04h 03m 09.4s

Dec +05° 59' 21.0"

Constellation Tau

HR 1251

HIP 18907

Bayer Nu

Flamsteed 38 Tau

Visibility

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Multiple Star System

Separation 16.1″

Companion Mag 9.2

Position Angle 183°

Star Colors A: White

Discoverer DRS 36

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 16.1″ · PA: 183° · 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

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Survey Image

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