Algenib


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Algenib

(al-jee -nib) (γ Peg) A remote bluish-white subgiant that is one of the brighter stars of the constellation Pegasus and lies on the Great Square of Pegasus. It is a variable star with a very short period of about 4 hours, during which its visual magnitude ranges between 2.80 and 2.87. mv : 2.83 (var.); Mv : –3.1; spectral type: B2 IV; distance: 153.5 pc. Algenib is also an old name for the star Mirfak.

Algenib

[‚al′jen·əb]
(astronomy)
A star in the constellation Pegasus.
References in periodicals archive ?
The eastern side of the Great Square is formed by Gamma Pegasi (Algenib) and Alpha Andromedae (Alpheratz).
Algenib and Alpheratz point almost directly northward to Beta Cassiopeiae (Caph), which marks the western end of Cassiopeia's M or W.
An easy way to locate M15 in binoculars is to sweep westwards from the two bottom stars in the Square of Pegasus (Algenib and Markab) for 154 times the distance between them and then drop south slightly.
If you imagine a line in Pegasus from Alpheratz to Algenib, and then extend that line southward, you get to the magnitude 2.0 Diphda, Beta Ceti, the brightest star in the constellation Cetus, the whale.
Kudos set a course record of 1min 51.99sec, nearly a second better than the previously best, clocked by Algenib in 1992.
His trainer, Juan Esteban Bianchi, who paid only 6,000 pesos (then about pounds 3,570) for this nervy colt as a yearling, always had confidence in the son of the 1990 Pellegrini winner, Algenib.
Its four stars are, clockwise from the northwest corner, Scheat, or Beta ([beta]) Pegasi; Markab, or Alpha ([alpha]) Pegasi; Algenib, or Gamma ([gamma]) Pegasi; and Alpheratz, or Alpha Andromedae.
No; their distances are 97 light-years (Alpheratz), 140 (Markab), 200 (Scheat), and 330 (Algenib, the hottest and most luminous).
The east side of the Square is made by Alpheratz (upper star) and Algenib (lower star).
Once again, our patterns and schemes are not quite as neat as we would like them to be: not far to the northwest of Scheat is Eta ([eta]) Pegasi, Matar, which shines only 0.1 magnitude dimmer than Algenib. So beginners shouldn't fault themselves if they have a little trouble finding the Great Square at first.
The southwestern star, Markab, shines at 2.5, and the southeastern corner, Algenib, is the dimmest at magnitude 2.8.

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