Omega Centauri

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Related to NGC 5139: Omega Centauri, NGC 5128

Omega Centauri

(sen-tor -ÿ, -ee) (ω Cen; NGC 5139) A huge impressive globular cluster, magnitude 3.7, diameter 0°.6, in the constellation Centaurus. At about 5212 parsecs distant, it is one of the closest globulars to the Solar System. The million or so stars of which it is composed show a surprising range of metal content and possibly age. It is an X-ray source.
References in periodicals archive ?
Jay Reynolds Freeman's Picks Object Constellation Type M31 Andromeda Galaxy Sculptor Dwarf Sculptor Galaxy Galaxy M45 Taurus Open cluster M42/M43 Orion Diffuse nebula Virgo Cluster Virgo Galaxy cluster NGC 4565 Coma Galaxy NGC 5139 Centaurus Globular cluster M20 Sagittarius Diffuse nebula M16 Serpens Diffuse nebula M57 Lyra Planetary nebula Einstein's Pegasus Quasar Cross Milky Way -- Galaxy Object R.