Eta Tuc

HIP 118121; Eta Tuc DoubleStar Tuc Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.00

Spectral Type A1V

Star Color White (B-V 0.06)

Distance 90.6 ly

Position & Identifiers

RA 23h 57m 35.2s

Dec -64° 17' 54.0"

Constellation Tuc

HR 9062

HIP 118121

Bayer Eta

Visibility

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Multiple Star System

Separation 13.0″

Companion Mag 12.3

Position Angle 107°

Star Colors A: White

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 13.0″ · PA: 107° · 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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