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NGC 4178
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NGC 4178 (also IC 3042, MCG 2-31-50, UGC 7215 and PGC 38943) is a magnitude +11.4 spiral galaxy located 17 million light-years away in the constellation Virgo.

The galaxy was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road, Slough,on the 11th April 1825.
The galaxy was rediscovered by Arnold Schwassmann in September 1900 and relisted as IC 3042.

Right Ascension 12h 12m 46.2s, Declination +10 51' 51"



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NGC 4178: Revealing a Mini-Supermassive Black Hole

ngc4178_525_roll.jpg

One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified, thanks to NASA's Chandra X-ray Observatory and several other observatories. The host galaxy is of a type not expected to harbour supermassive black holes, suggesting that this black hole, while related to its supermassive cousins, may have a different origin.
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Loner galaxy is seed of giant black hole

NGC 4178 enjoyed the single life. Even though the flat, disc-shaped galaxy was getting on a bit, it had a svelte spiral figure to be proud of. Its central black hole was perfect: not too small, not too large. It had never been involved in a major merger with another galaxy, and wanted to keep it that way. None of the unsightly bulges and warps associated with too much socialising for NGC 4178.
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