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Fomalhaut

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Fomalhaut

Brightest star in the southern constellation Piscis Austrinus and the 18th-brightest star in the night sky. It is 25 light years from the Sun, with a true luminosity 13 times that of the Sun.

Fomalhaut is one of a number of stars around which IRAS (the Infra-Red Astronomy Satellite) detected excess infrared radiation. This comes from a region of solid particles around the star that has now been imaged by the Hubble Space Telescope. This material may be a planetary system in the process of formation.

It was one of the four royal stars of ancient Persia marking the approximate positions of the Sun at the equinoxes and solstices as they were at that date; the other three were Aldebaran, Regulus, and Antares.



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? Mentioned in ? References in periodicals archive
 
This month, Clampin and his colleagues are using the Keek Observatory to hunt for planets near the lopsided ring around Fomalhaut.
Panning distant dust: the hunt for extrasolar planets gets dirty by Cowen, Ron / Science News
The newly imaged inner region of the disk comes as close to Fomalhaut as Saturn does to the sun and may mark the location of an inner asteroid belt circling the star, notes Stapelfeldt.
Orbiting telescope views infrared universe by Cowen, R. / Science News
In contrast, three other stars now known to have dust rings--Vega, Fomalhaut, and Beta Pictoris--are much younger and more massive than the sun (SN: 4/25/98, p.
Epsilon Eridani: an early solar system? by Cowen, Ron / Science News
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