NGC 4318
NGC 4318
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NGC 4318

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NGC 4318

NGC 4318 is a small lenticular galaxy located about 72 million light-years away in the constellation Virgo. It was discovered by astronomer John Herschel on January 18, 1828. NGC 4318 is a member of the Virgo W′ group, a group of galaxies in the background of the Virgo Cluster that is centered on the giant elliptical galaxy NGC 4365.

NGC 4318 contains a small, classical bulge and a nuclear stellar disc with a diameter of ~230 ly (70 pc). Outside the nuclear stellar disc lies a sharply bounded, low surface brightness region with a diameter of ~1,800 ly (560 pc) beyond which lies a larger outer disk.

NGC 4318 harbors a supermassive black hole with an estimated mass of 4 million (5×106 M☉) solar masses.

NGC 4318 is surrounded by 18 globular clusters.

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