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NGC 4845

From Wikipedia, the free encyclopedia

NGC 4845
NGC 4845 as seen by HST
Observation data (J2000 epoch)
ConstellationVirgo
Right ascension12h 58m 01.2s[1]
Declination1° 34′ 33″
Redshiftz=0.004110 (1232 km/s)[1]
Distance65 Mly
Apparent magnitude (V)11.2[2]
Characteristics
TypeSab[2]
Apparent size (V)4′.9 × 1′.3[2]
Other designations
UGC 08087, 2MASX J12580124+0134320, NGC 4910, PGC 44392[3]

NGC 4845 (also known as NGC 4910) is a spiral galaxy located in the constellation Virgo around 65 million light years away.[4] The galaxy was originally discovered by William Herschel in 1786.[5] It is a member of the NGC 4753 Group of galaxies, which is a member of the Virgo II Groups, a series of galaxies and galaxy clusters strung out from the southern edge of the Virgo Supercluster.[6]

The galaxy has a supermassive black hole at its center with a mass of 300,000. In 2013, the ESA observed the black hole absorbing matter from a nearby, low-mass object; possibly a brown dwarf star.[7] The observed X-ray flare was caught by the ESA's INTEGRAL telescope.[8]

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References

  1. ^ a b "NCG 4845". NASA/IPAC Extragalactic Database.
  2. ^ a b c "NCG 4845". Deep Sky Observatory. Archived from the original on 2015-02-24. Retrieved 2013-05-13.
  3. ^ "NGC 4910". The NGC/IC Project. Archived from the original on May 20, 2012. Retrieved May 13, 2013.
  4. ^ Morrow, Ashley (2016-01-08). "Hubble Sees a Supermassive and Super-hungry Galaxy". NASA. Retrieved 2020-08-21.
  5. ^ "NGC Objects: NGC 4800-4849". Courtney Seligman. Retrieved May 13, 2013.
  6. ^ "The Virgo III Groups". Atlas of the Universe. Retrieved 2010-11-27.
  7. ^ "Astronomers watch as supermassive black hole 'wakes up,' swallows planet whole". National Post. April 4, 2013. Retrieved May 13, 2013.
  8. ^ Jeff LaSala (April 3, 2013). "Watch a Black Hole Feed on Its Planet-Sized Prey". Geekosystem. Retrieved May 13, 2013.
  9. ^ "Supermassive and super-hungry". Retrieved 4 January 2016.

External links

Wikimedia Commons has media related to NGC 4845.


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This page was last edited on 28 November 2023, at 13:43
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