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Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy , and is one of the 88 constellations recognised today.
Beta Pegasi (β Pegasi, abbreviated Beta Peg, β Peg), formally named Scheat / ˈ ʃ iː æ t /, [12] [13] is a red giant star and the second-brightest star (after Epsilon Pegasi) in the constellation of Pegasus. It forms the upper right corner of the Great Square of Pegasus, [14] a prominent rectangular asterism.
Epsilon Pegasi (Latinised from ε Pegasi, abbreviated Epsilon Peg, ε Peg), formally named Enif / ˈ iː n ɪ f /, is the brightest star in the northern constellation of Pegasus. With an average apparent visual magnitude of 2.4, [3] this is a second-magnitude star that is readily visible to the naked eye.
Gamma Pegasi is a star in the constellation of Pegasus, located at the southeast corner of the asterism known as the Great Square. It has the formal name Algenib / æ l ˈ dʒ iː n ɪ b /; [14] [15] the Bayer designation Gamma Pegasi is Latinized from γ Pegasi and abbreviated Gamma Peg or γ Peg.
NGC 7777 is a lenticular galaxy [1] in the constellation of Pegasus. [2] It was discovered on 25 October 1876 by French astronomer Édouard Stephan. [3] See also.
The equatorial region of the celestial sphere's western hemisphere includes 13 navigational stars from Gienah in the constellation Corvus to Markab in Pegasus. It also includes stars from the constellations Virgo, Bootes, Libra, Corona Borealis, Scorpio, Ophiuchus, Sagittarius, and Aquila.
Zeta Pegasi or ζ Pegasi, formally named Homam (/ ˈ h oʊ m æ m /), [12] [13] is a single [14] star in the northern constellation of Pegasus.With an apparent visual magnitude of +3.4, [2] this star is bright enough to be seen with the naked eye and is one of the brighter members of Pegasus.
51 Pegasi b, officially named Dimidium / d ɪ ˈ m ɪ d i ə m /, is an extrasolar planet approximately 50 light-years (15 parsecs) away in the constellation of Pegasus.It was the first exoplanet to be discovered orbiting a main-sequence star, [3] the Sun-like 51 Pegasi, and marked a breakthrough in astronomical research.