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NGC 4005

From Wikipedia, the free encyclopedia
Spiral galaxy in the Leo constellation.
NGC 4005
Observation data (J2000.0epoch)
ConstellationLeo
Right ascension11h 58m 10.163s[1]
Declination+25° 07′ 20.03″[1]
Redshift0.01485[1]
Heliocentric radial velocity4419 ± 3 km/s[1]
DistanceAround 200 millionlight-years
Apparent magnitude (V)13.0
Apparent magnitude (B)1.2' × 0.7'
Characteristics
TypeS[1]
Other designations
Zw 127-10,UGC 6952,MCG +04-28-107,PGC 37661

NGC 4005 is aspiral galaxy in theLeo constellation, located close to the border with theComa Berenices.[1][2][3][4] A faintly-glowing galaxy, itsapparent magnitude is 13.0.

The American astronomerBarbara A. Williams in 1986 noted that when observations are made of 23 galaxies centred on NGC 4005, a trend is found along the major axis of the group. The correlation in the group between position and velocity's slope is greatly different from 0. Williams put forward the explanation for this that the group rotates with a period of less than 4 billion years, however other interpretations have been discussed.[5]

It was discovered byWilliam Herschel on 6 April 1785.

Sources

[edit]
  1. ^abcdef"NGC 4005".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved2022-10-27.
  2. ^Williams, B. A. (1986)."1986ApJ...311...25W Page 25".The Astrophysical Journal.311: 25.Bibcode:1986ApJ...311...25W.doi:10.1086/164751. Retrieved2022-10-27.
  3. ^Steinicke, Wolfgang; Jakiel, Richard (2007-01-04).Galaxies and How to Observe Them. Springer Science & Business Media.ISBN 978-1-84628-699-5.
  4. ^Steinicke, Wolfgang (2010-08-19).Observing and Cataloguing Nebulae and Star Clusters: From Herschel to Dreyer's New General Catalogue. Cambridge University Press.ISBN 978-1-139-49010-8.
  5. ^"The NGC 4005 Group: A rotating system of galaxies?".Harvard Articles. 7 April 1986. Retrieved27 October 2022.
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