46 Tau

HIP 19719; 46 Tau DoubleStar Tau Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 5.29

Spectral Type F2V+F5V

Star Color Yellow-white (B-V 0.36)

Distance 108.7 ly

Position & Identifiers

RA 04h 13m 33.1s

Dec +07° 42' 58.0"

Constellation Tau

HR 1309

HIP 19719

Flamsteed 46 Tau

Double Cat 3064

Visibility

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Multiple Star System

Separation 0.1″

Companion Mag 6.7

Companion Sp F5V

Position Angle 283°

Star Colors A: Yellow-white B: Yellow-white

Discoverer A 1938

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.1″ · PA: 283° · 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

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

Stellar Notes

Double Star

6.0 F2V, 6.1 F3V, 7.18y, a = 0.135". Resolved by speckle interferometry 1983.93, sep. 0.09".

Dynamical

0.024".

Survey Image

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