Main Page | See live article | Alphabetical index Centaurus, the centaur, was one of the 48 constellations listed by Ptolemy, and counts also among the 88 modern constellations. This southern constellation is one of the largest on the sky. Centaurus Abbreviation Cen Genitive Centauri Meaning in English the Centaur Right ascension 13 h Declination -50° Visible to latitude Between 30° and -90° On meridian 9 p.m., May 20 Area - Total Ranked 9th 1060 sq. deg. Number of stars with apparent magnitude < 3 10 Brightest star - Apparent magnitude Rigil Kentaurus (α Cen) -0.01 Meteor showers Alpha und Beta Centaurids Bordering constellations Antlia Carina Circinus Crux Hydra Lupus Musca Triangulum Australe Vela Table of contents 1 Notable features 2 Notable deep sky objects 3 History 4 Mythology Notable features Centaurus is a bright constellation of the southern hemisphere. It contains Proxima Centauri, a red dwarf that is the nearest known star (other than the Sun) to Earth, as well as Alpha Centauri, which is a triple star to which Proxima Centauri is apparently gravitationally bound. Notable deep sky objects It also contains Omega Centauri, the brightest globular cluster in the sky. One of the deep-sky objects in Centaurus is the Boomerang nebula, the coldest location (1 kelvin, -272°C) known to science. History It was mentioned by Eudoxus (4th century B.C.) and Aratus (3rd century B.C.), Ptolemy catalogued thirty-seven stars in it. Mythology According to Greek mythology, the constellation is Chiron who was a wise Centaur (half-man, half-horse) known as a tutor to Jason (the leader of the Argonauts), and tutor to Hercules (a demi-god). Centaurus is a scientific journal. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.