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Beta Caeli — Star in Caelum

Magnitude 5.0m Star Caelum (Cae) Visible
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Observe

1Physical Properties

Magnitude 5.05
Spectral Type F1V
Star Color Yellow-white (B-V 0.37)
Distance 56 ly

2Position & Identifiers

RA 04h 42m 03.5s
Dec -37° 08' 40.0"
Constellation Caelum (Cae)
HR 1503
HIP 21861
HD 29992
SAO 195239
Bayer Beta

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium Hard+ Hard+
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 Oct – Dec (peak: Nov)

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.

13

Stellar Fusion

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Light Travel Time Machine

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Relativistic Travel

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