Pegasus (constellation) Guide, Meaning , Facts, Information and Description

Pegasus
Abbreviation	Peg
Genitive	Pegasi
Meaning in English	the winged Horse
Right ascension	23 h
Declination	+15°
Visible to latitude	Between +90° and −65°
Best visible	October
Area  - Total	Ranked 7th 1121 sq.deg.
Number of stars with apparent magnitude < 3	5
Brightest star  - Apparent magnitude	Markab (α Peg) 2.51
Meteor showers	July Pegasids
Bordering constellations	Andromeda Lacerta Cygnus Vulpecula Delphinus Equuleus Aquarius Pisces

Pegasus (the winged horse) is a northern constellation, named after the mythological Pegasus. It is one of the 88 modern constellations, and was also one of the 48 constellations listed by Ptolemy.

Table of contents

1 Notable features 2 Notable deep sky objects 3 History and Mythology 4 Graphic visualization

Notable features

Pegasus' three brightest stars together with Alpha Andromedaee form the large asterism known as the Square of Pegasus. A star in this constellation, 51 Pegasi, is orbited by the first true extrasolar planets (planets orbiting a star other than the Sun) to have been discovered.

Notable deep sky objects

• M15 - a globular cluster near the head (ε Peg) of the Pegasus.
• NGC 7742 - a Type 2 Seyfert galaxy in the constellation Pegasus.

History and Mythology

Main article: Pegasus

Pegasus was a winged horse in the Greek mythology.

Graphic visualization

Pegasus' brightest stars (of the second magnitude) are Alpha Pegasi and Beta Pegasi, which together with Gamma Pegasi (third magnitude) form the triangular wing of the horse.

The body of the horse consists of a quadrilateral formed by the stars Alpha Pegasi, Lambda Pegasi, Iota Pegasi, and Xi Pegasi.

The front legs of the winged horse have two stars of the fourth magnitude which have no Bayer designations but which do have Flamsteed numbers: 1 Pegasi and 9 Pegasi.

The stars Epsilon Pegasi and Theta Pegasi belong to the hind legs, with Epsilon Pegasi being of the third magnitude. Rho Pegasi and Sigma Pegasi belong to the tail, but they are both dim: of the fifth magnitude.

Eta Pegasi and Pi Pegasi form the head: Pi Pegasi is the snout, and Eta Pegasi has magnitude three. Mu Pegasi is the beginning of the neck.

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