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Centaurus(sĕntôr`əs), southern constellationconstellation,
in common usage, group of stars that appear to form a configuration in the sky; properly speaking, a constellation is a definite region of the sky in which the configuration of stars is contained.
..... Click the link for more information. located N and E of Crux, the Southern Cross. It is known especially for its bright stars Alpha CentauriAlpha Centauri
, brightest star in the constellation Centaurus and 3d-brightest star in the sky; also known as Rigil Kent or Rigil Kentaurus; 1992 position R.A. 14h39.1m, Dec. −60°49'.
..... Click the link for more information. and HadarHadar
or Beta Centauri
, bright star in the constellation Centaurus; 1992 position R.A. 14h01.7m, dec. −60°13'. A bluish-white giant of spectral class B1 II, it has an apparent magnitude of 0.
..... Click the link for more information. . It also contains Centaurus A, a radio galaxy, as well as a globular star clusterstar cluster,
a group of stars near each other in space and resembling each other in certain characteristics that suggest a common origin for the group. Stars in the same cluster move at the same rate and in the same direction.
..... Click the link for more information. visible to the naked eye. Centaurus reaches its highest point in the evening sky in May.
Centaurus(sen-tor -ŭs) (Centaur) An extensive conspicuous constellation in the southern hemisphere almost surrounding Crux and lying partly in the Milky Way. The brightest stars, of zero magnitude, are the nearby Alpha (α) Centauri, the remote Beta (β) Centauri, and several stars of 2nd and 3rd magnitude. Proxima Centauri is the nearest star to the Sun. The area also contains the fine naked-eye globular cluster Omega (ω) Centauri (see Omega Centauri), the strong radio source Centaurus A, and the X-ray binary Centaurus X-3. Abbrev.: Cen; genitive form: Centauri; approx. position: RA 13h, dec –50°; area: 1060 sq deg.
(Centaur), a constellation of the southern hemisphere; its two brightest stars have visual magnitudes of 0.06 and 0.6. Próxima Centauri, the closest star to the sun, is located in the constellation. Centaurus is most easily seen in March and April; it is partially visible from the southern regions of the USSR.