Polaris Australis

HIP 104382; Sigma Oct

HIP 104382; Sigma Oct Star Octans (Oct) Visible Level 2 Small telescope (4")

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Physical Properties

Magnitude 5.47

Range 5.42 - 5.48

Period 2.3 hours

Variable Type Delta Scuti (Pulsating)

Spectral Type F0III

Star Color Yellow-white (B-V 0.27)

Distance 323 ly

Position & Identifiers

RA 21h 08m 46.2s

Dec -88° 57' 23.0"

Constellation Octans (Oct)

HR 7228

HIP 104382

Bayer Sigma

Variable ID Sig Oct

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Spectral Classification

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Fusion

Stellar Notes

Variable Star

Delta Sct, amp. 0.05V, 0.04B, 0.097d.

Alternative Names

Polaris Australis (so called by Wollaston in 1789).

Light Travel Time Machine

Relativistic Travel

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