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Zeta Tucanae — Star in Tucana

Magnitude 4.2m Star Tucana (Tuc) Visible
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1Physical Properties

Magnitude 4.23
Spectral Type F9V
Star Color Yellow (B-V 0.58)
Distance 24 ly

2Position & Identifiers

RA 00h 20m 04.3s
Dec -64° 52' 29.0"
Constellation Tucana (Tuc)
HR 77
HIP 1599
HD 1581
SAO 248163
Bayer Zeta

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium+ Medium
50mm finder Easy Easy Easy
150mm scope Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

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Best season Aug – Oct (peak: Sep)

5Survey Image

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Size Comparison

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Spectral Classification

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Hertzsprung-Russell Diagram

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Stellar Lifecycle

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Blackbody Spectrum

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Stellar Absorption Spectrum

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

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Stellar Fusion

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Light Travel Time Machine

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Relativistic Travel

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