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NGC 5468

Coordinates:Sky map14h 06m 34.9186s, −05° 27′ 11.057″
From Wikipedia, the free encyclopedia
Spiral galaxy in the constellation Virgo
NGC 5468
NGC 5468 imaged by theHubble Space Telescope
Observation data (J2000epoch)
ConstellationVirgo
Right ascension14h 06m 34.9186s[1]
Declination−05° 27′ 11.057″[1]
Redshift0.009480 ± 0.000013[1]
Heliocentric radial velocity2,842 ± 4km/s[1]
Distance138 ± 22.7Mly (42.5 ± 7.0Mpc)[1]
Apparent magnitude (V)12.5[2]
Characteristics
TypeSAB(rs)cd[1]
Size~108,700 ly (33.32 kpc) (estimated)[1]
Apparent size (V)2.6′ × 2.4′[1]
Other designations
HOLM 585A,IRAS 14039-0512,UGCA 384,MCG -01-36-007,PGC 50323[1]

NGC 5468 is anintermediate spiral galaxy located in the constellationVirgo. It is located at a distance of about 140 millionlight-years from Earth, which, given its apparent dimensions, means that NGC 5468 is about 110,000 light-years across. It was discovered byWilliam Herschel on 5 March 1785.[3]

NGC 5468 is seen face-on, and the spiral pattern is open. The two principal arms emanate from a smallbar and start to branch into several thin fragments after some distance. Three largeH II regions and some fainter ones can be seen in the images of the Carnegie Atlas of Galaxies.[4] These regions feature intense star formation. SN 2005P was located at the edge of one of these regions.[5] As of 2024, NGC 5468 is the most distant galaxy in which Hubble Space Telescope has detectedCepheid variable stars, which are important milepost markers for measuring distances.[6]

NGC 5468 forms a non-interacting pair withNGC 5472, which lies at a projected distance of 5.1arcminutes. NGC 5468 belongs to the NGC 5493galaxy group. Other members of the group are the interacting pairArp 271 (NGC 5426 and NGC 5427),NGC 5476, andNGC 5493.[7]

Supernovae

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Sixsupernovae have been observed in NGC 5468:

Gallery

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References

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  1. ^abcdefghi"NASA/IPAC Extragalactic Database".Results for object NGC 5468. Retrieved2016-01-18.
  2. ^"Revised NGC Data for NGC 5468".spider.seds.org. Retrieved25 November 2018.
  3. ^Seligman, Courtney."NGC 5468 (= PGC 50323)".Celestial Atlas. Retrieved19 November 2018.
  4. ^Sandage, A., Bedke, J. (1994),The Carnegie Atlas of Galaxies. Volume I, Carnegie Institution of Washington
  5. ^Lyman, J. D.; James, P. A.; Perets, H. B.; Anderson, J. P.; Gal-Yam, A.; Mazzali, P.; Percival, S. M. (September 2013)."Environment-derived constraints on the progenitors of low-luminosity Type I supernovae".Monthly Notices of the Royal Astronomical Society.434 (1):527–541.arXiv:1306.2474.Bibcode:2013MNRAS.434..527L.doi:10.1093/mnras/stt1038.
  6. ^"NGC 5468 — Cepheid host galaxy | ESA/Webb".esawebb.org. 11 March 2024. Retrieved20 July 2024.
  7. ^Makarov, Dmitry; Karachentsev, Igor (21 April 2011)."Galaxy groups and clouds in the local (z∼ 0.01) Universe".Monthly Notices of the Royal Astronomical Society.412 (4):2498–2520.arXiv:1011.6277.Bibcode:2011MNRAS.412.2498M.doi:10.1111/j.1365-2966.2010.18071.x.S2CID 119194025.
  8. ^King, J. Y.; Li, W. D. (1999)."Supernovae 1999co and 1999cp".International Astronomical Union Circular (7205): 1.Bibcode:1999IAUC.7205....1K.
  9. ^"SN 1999cp".Transient Name Server.IAU. Retrieved28 December 2024.
  10. ^Nakano, S.; Kushida, R. (2002)."Supernova 2002cr in NGC 5468".International Astronomical Union Circular (7890): 2.Bibcode:2002IAUC.7890....2N.
  11. ^"SN 2002cr".Transient Name Server.IAU. Retrieved28 December 2024.
  12. ^Monard, B.; Li, W. (2002)."Supernova 2002ed in NGC 5468".International Astronomical Union Circular (7940): 1.Bibcode:2002IAUC.7940....1M.
  13. ^"SN 2002ed".Transient Name Server.IAU. Retrieved28 December 2024.
  14. ^Burket, J.; Li, W. (2005)."Supernovae 2005N, 2005O, and 2005P".International Astronomical Union Circular (8472): 1.Bibcode:2005IAUC.8472....1B.
  15. ^"SN 2005P".Transient Name Server.IAU. Retrieved28 December 2024.
  16. ^"SN 2018dfg".Transient Name Server.IAU. Retrieved28 December 2024.
  17. ^"SN 2023cj".Transient Name Server.IAU. Retrieved28 December 2024.

External links

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