Omicron Centauri (ο Cen / ο Centauri) is a star in the constellation Centaurus.
ο Centauri is a white A-type supergiant with a mean apparent magnitude of +5.12. It is approximately 3400 light years from Earth. It is classified as an Alpha Cygni type variable star and its brightness varies from magnitude +5.12 to +5.22 with a period of 46.3 days.
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Omicron2 Centauri
Astronomy
Constellation
Centaurus
Centaurus is a bright constellation in the southern sky. One of the largest constellations in the sky, Centaurus was included among the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations.
Centaurus contains the Alpha Centauri system, a...
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