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  • 21 Aug, 2019

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NGC 4527
NGC 4527 is a spiral galaxy in the constellation Virgo. It was discovered by German-British astronomer William Herschel on 23 February 1784.

NGC 4527 is a member of the M61 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.

Characteristics

NGC 4527 is an intermediate spiral galaxy similar to the Andromeda Galaxy and is located at a distance not well determined, but usually is considered to be an outlying member of the Virgo Cluster of galaxies, being placed within the subcluster known as S Cloud.

Unlike the Andromeda Galaxy, NGC 4527 is also a starburst galaxy, with 2.5 billion solar masses of molecular hydrogen concentrated within its innermost regions. However said starburst is still weak and seems to be on its earliest phases.

Supernovae

Three supernovae have been observed in NGC 4527:

  • Harlow Shapley discovered SN 1915A (type unknown, mag. 15.5) on 20 March 1915.
  • Several astronomers reported the discovery of SN 1991T (type Ia-pec, mag. 13) on 13 April 1991.
  • SN 2004gn (type Ic, mag. 16.6) was discovered on 1 December 2004 by the Lick Observatory Supernova Search (LOSS).
NGC 4527 imaged by the Hubble Space Telescope

See also

References

  1. ^ "NASA/IPAC Extragalactic Database". Results for NGC 4527. Retrieved 2013-10-12.
  2. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 4527". Celestial Atlas. Retrieved 6 December 2024.
  3. ^ "The Virgo III Groups". Atlas of the Universe. Retrieved 2010-11-27.
  4. ^ "Best of AOP: NGC 4527". NOAO. Retrieved 2013-10-12.
  5. ^ "Notes for object NGC 4527". NASA-IPAC Extragalactic Database. Retrieved 2013-10-12.
  6. ^ "Galaxy On Line Database Milano Network (GOLDMine)". Retrieved 2012-08-06.
  7. ^ Shibatsuka, T.; Matsushita, S.; Kohno, K.; Kawabe, R. (2003). "Multi-Line Observations of Molecular Gas in the Central Region of the Low Star-Formation Efficiency Starburst Galaxy NGC 4527". Publications of the Astronomical Society of Japan. 55 (1): 87–101. Bibcode:2003PASJ...55...87S. doi:10.1093/pasj/55.1.87.
  8. ^ "SN 1915A". Transient Name Server. IAU. Retrieved 6 December 2024.
  9. ^ Central Bureau for Astronomical Telegrams list of Supernovae. Retrieved 28 March 2023.
  10. ^ Shapley, Harlow (1917). "A Faint Nova in the Nebula of Andromeda". Publications of the Astronomical Society of the Pacific. 29: 213. Bibcode:1917PASP...29Q.213S.
  11. ^ Waagen, E.; Evans, R. O.; Villi, M.; Cortini, G.; Johnson, W.; McNaught, R. H.; Mueller, J.; Cappellaro, E.; Cutispoto, G.; La Franca, F.; Goldschmidt, C.; Kirshner, R. P.; Peters, J. (1991). "Supernova 1991T in NGC 4527". International Astronomical Union Circular (5239): 1. Bibcode:1991IAUC.5239....1W.
  12. ^ "SN 1991T". Transient Name Server. IAU. Retrieved 6 December 2024.
  13. ^ "SN 2004gn". Transient Name Server. IAU. Retrieved 6 December 2024.
  14. ^ Li, W. (2004). "Supernovae 2004gn and 2004go". International Astronomical Union Circular. 8448: 2. Bibcode:2004IAUC.8448....2L.
  15. ^ Bishop, David. "Bright Supernovae - 2004, entry for SN 2004gn". Rochester Astronomy. Retrieved 25 November 2024.
  • Media related to NGC 4527 at Wikimedia Commons
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