Astronomy: Stars

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Fomalhaut

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

Fomalhaut , brightest star in the constellation Piscis Austrinus (southern fish); Bayer designation Alpha Piscis Austrini; 1992 position R.A. 22 ^h 57.3 ^m , Dec. -29°39′. A white, main-sequence star of spectral class A3 V, its apparent magnitude of 1.16 makes it one of the 20 brightest stars in the sky. Fomalhaut is one of the nearer bright stars, lying at a distance of 25 light-years, and images made in 2004 and 2006 by the Hubble Space Telescope using a coronagraph show a planet orbiting the star. Its name is from the Arabic meaning "mouth of the southern fish."

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Piscis Austrinus

A Dictionary of Astronomy | 1997 | Copyright

Piscis Austrinus (abbr. PsA, gen. Piscis Austrini) A constellation of the southern sky, popularly known as the Southern Fish. It contains the bright star Fomalhaut (Alpha Piscis Austrini) but little else of note.

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"Piscis Austrinus." A Dictionary of Astronomy. 1997. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O80-PiscisAustrinus.html

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Fomalhaut

A Dictionary of Astronomy | 1997 | Copyright

Fomalhaut The star Alpha Piscis Austrini, magnitude 1.16. It is an A3 dwarf, 25 l.y. away.

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"Fomalhaut." A Dictionary of Astronomy. 1997. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

"Fomalhaut." A Dictionary of Astronomy. 1997. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O80-Fomalhaut.html

"Fomalhaut." A Dictionary of Astronomy. 1997. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-Fomalhaut.html

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