Fomalhaut

Alpha Piscis Austrini

Piscis Austrinus

1.16
Apparent Mag
25.13
Distance (ly)
A3V
Spectral Type
8,590
Temperature (K)

Fomalhaut is the brightest star in Piscis Austrinus, surrounded by a prominent debris disk that was one of the first to be imaged directly. The star is one of the four Royal Stars of ancient Persia.

Stellar Data

Apparent Magnitude1.16
Absolute Magnitude1.72
Distance25.13 light-years
Spectral TypeA3V
Temperature8,590 K
Luminosity16.63 L☉
Radius1.842 R☉
Mass1.92 M☉
Right Ascension22h 57m 39.0s
Declination-29° 37′ 20.1″
ConstellationPiscis Austrinus

Notable Facts

  • Fomalhaut's debris disk was one of the first directly imaged by the Hubble Space Telescope
  • Its name means mouth of the fish in Arabic
  • It is one of the four ancient Royal Stars of Persia

More Stars in Piscis Austrinus

View constellation
Lacaille 9352
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