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Centaurus / s ɛ n ˈ t ɔːr ə s,-ˈ t ɑːr-/ is a bright constellation in the southern sky. One of the largest constellations , Centaurus was included among the 48 constellations listed by the 2nd-century astronomer Ptolemy , and it remains one of the 88 modern constellations .
Map showing the location of NGC 3766. NGC 3766 (also known as Caldwell 97) is an open star cluster in the southern constellation Centaurus.It is located in the vast star-forming region known as the Carina molecular cloud, and was discovered by Nicolas Louis de Lacaille during his astrometric survey in 1751–1752. [2]
Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus.It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C). [14]
Centaurus A is located approximately 4° north of Omega Centauri (a globular cluster visible with the naked eye). [14] Because the galaxy has a high surface brightness and relatively large angular size, it is an ideal target for amateur astronomy observations.
Omega Centauri (ω Cen, NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in 1677. Located at a distance of 17,090 light-years (5,240 parsecs), it is the largest known globular cluster in the Milky Way at a diameter of roughly 150 light-years. [10]
NGC 5460 is an open cluster in the constellation Centaurus. It is a bright but loose cluster of intermediate age located approximately 2,300 light years away from Earth. It is located nearly 2 degrees east-southeast of Zeta Centauri. [5]
Zeta Centauri, Latinized from ζ Centauri, is a binary star system in the southern constellation of Centaurus. It has the proper name Alnair / æ ˈ n ɛər /, from Arabic: نير بطن قنطورس, romanized: nayyir baṭan qanṭūris, lit. 'the bright (star) of the body of the centaur'.
Beta Centauri is a triple star system in the southern constellation of Centaurus.It is officially called Hadar (/ ˈ h eɪ d ɑːr /).The Bayer designation of Beta Centauri is Latinised from β Centauri, and abbreviated Beta Cen or β Cen.