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Altair

Altair (ăltä´Ĭr), brightest star in the constellation Aquila (Eagle); Bayer designation α Aquilae; 1992 position R.A. 19h50.5m, Dec. +8°51′. Its apparent magnitude is 0.74, making it one of the 20 brightest stars in the sky, and it is of spectral class A7 IV,V. Altair is one of the nearest bright stars, its distance being 16.8 light-years.

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"Altair." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"Altair." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/altair

"Altair." The Columbia Encyclopedia, 6th ed.. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/altair

Altair

Altair (Alpha Aquilae) Star whose luminosity is ten times that of the Sun. Characteristics: apparent mag. 0.77; spectral type A7; distance 16 light-years.

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"Altair." World Encyclopedia. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"Altair." World Encyclopedia. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/altair

"Altair." World Encyclopedia. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/altair

Altair

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"Altair." Oxford Dictionary of Rhymes. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"Altair." Oxford Dictionary of Rhymes. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/altair

"Altair." Oxford Dictionary of Rhymes. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/altair