Fomalhaut is the brightest star in the constellation Piscis Austrinus and is also one of the brightest stars in the sky. For many years, this star was thought to be 100-300 million years old with a potential lifespan of a billion years, but in a 2012 study, the star was proven to be over 400 million years old. Fomalhaut is a class A star, which means that you are able to see it with the naked eye, and these type of stars are white or bluish-white.
Fomalhaut is also apart of the main sequence and is approximately 25 light years away from Earth. It is surrounded by several debris disks.The surface temperature of this star is 281,216 °F = 8,320 °C. Fomalhaut has a mass 1.92 times that of the sun, its luminosity is 16.6 times greater, and its diameter is 1.84 times larger. It contains small percentages of elements other than Hydrogen and Helium. Fomalhaut A, B, and C are all apart of the Southern Fish constellation.