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Fomalhaut

star · Piscis Austrinus · a plate in Stars

Fomalhaut

α Piscis Austrini

On the 1971 working instrument: Pisces 3°27′. A southern lamp on the same table as Sirius.

Royal southern watcher. The mouth of the southern fish.

Astronomy · astrophysics

Magnitude
1.16
Distance
25.1 light-years
Spectrum
A4 V
Coordinates
22h 58m · −29° 37′

A young A-star with a debris disk.

α PsA, about 25.1 ly. Apparent magnitude 1.16. Spectral type A4 V.

A young A-star with a debris disk. The southern fish’s mouth is a physical lamp, not only a royal office.

Historical story · culture

A royal star of the south

  1. later Persian and medieval listsFomalhaut was counted among four royal stars, with Aldebaran, Regulus, and Antares. That office is a historical astronomy of watchers, not a spectral class.

Living

Royal southern watcher on this epoch table. The choir is not only northern.

Sources
  • SIMBAD
  • Gaia
  • Astro-Seek 30 major fixed stars · 1971