NGC 4473

Source: Wikipedia, the free encyclopedia.
Coma Berenices
Right ascension12h 29m 48.9s[1]
Declination13° 25′ 46″[1]
Redshift0.007485[1]
Heliocentric radial velocity2244 km/s[1]
Distance52.74 Mly
Group or clusterVirgo Cluster
Apparent magnitude (V)11.16[1]
Characteristics
TypeE5[1]
Size~ 68.5 kly (estimated); 21 kpc[1]
Apparent size (V)4.5' × 2.5'[1]
Other designations
CGCG 70-125, MCG 2-32-93, PGC 41228, UGC 7631, VCC 1231[1]

NGC 4473 is an

Coma Berenices.[4] It was discovered by astronomer William Herschel on April 8, 1784.[5] NGC 4473 has an inclination of about 71°.[6] NGC 4473 is a member of a chain of galaxies called Markarian's Chain which is part of the larger Virgo Cluster of galaxies.[7][8]

Globular clusters

NGC 4473 has an estimated population of 376 ± 97

clusters may have formed from the result of multiple minor mergers that helped form the outer regions of the galaxy.[3]

Counter–rotating features

NGC 4473 has two counter-rotating stellar discs embedded in the inner regions of the galaxy. They may have formed from the accretion of gas from outside the galaxy, or by the mergers of gas-rich galaxies.[3]

Supermassive black hole

Using the

astronomical units (415 million mi).[13]

See also

Gallery

References

  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 4473. Retrieved 2017-08-01.
  2. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-01.
  3. ^
    S2CID 62794454
    .
  4. ^ Rojas, Sebastián García. "Galaxy NGC 4473 - Galaxy in Coma Berenices Constellation · Deep Sky Objects Browser". DSO Browser. Archived from the original on 2017-08-03. Retrieved 2017-08-01.
  5. ^ "New General Catalog Objects: NGC 4450 - 4499". cseligman.com. Retrieved 2017-08-01.
  6. S2CID 118421255
    .
  7. ^ "Exploring the Coma-Virgo Cloud" (PDF). GEMINI. 2:12: 1–9. April 1978. Archived from the original (PDF) on 2014-09-25. Retrieved 2017-08-03.
  8. ^ French, Sue (2004). "Deep-Sky Wonders: Markarian's Chain". Sky & Telescope. 107 (5): 88–91.
  9. S2CID 118565802
    .
  10. ISBN 978-1-139-50007-4
    .
  11. ^ "List of black hole candidates". www.johnstonsarchive.net. Retrieved 2017-09-17.
  12. ^ "NGC 4473 Fact Sheet - StarDate's Black Hole Encyclopedia". blackholes.stardate.org. Retrieved 2017-08-02.
  13. ^ "Wolfram|Alpha: Computational Knowledge Engine". www.wolframalpha.com. Retrieved 2017-10-28.

External links

Wikimedia Commons has media related to NGC 4473.
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