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NGC 5559
NGC 5559 taken by Hubble Space Telescope.[1]
Observation data (J2000 epoch)
ConstellationBoötes
Right ascension14h 19m 12.792s[2]
Declination+24° 47′ 55.01″[2]
Redshift0.01717[3]
Heliocentric radial velocity5103 ± 3 km/s[3]
Distance252.1 Mly (77.30 Mpc)[4]
Apparent magnitude (B)14.81[5]
Characteristics
TypeSBb[6]
Other designations
UGC 9166, MCG +04-34-017, PGC 51155[3]

NGC 5559 is a barred spiral galaxy, located 240 million light-years away in the constellation of Boötes.[1] It was discovered on April 10, 1785, by the astronomer William Herschel.[7]

In 2001, a type Ib supernova was detected within NGC 5559, and was subsequently designated SN 2001co.[8][9] However, in 2003, the supernova was identified as a calcium-rich supernova, as it had strong spectral lines characteristic of calcium.[10] The progenitors of these calcium-rich supernovae are still a mystery.[1]

See also

References

  1. ^ a b c "Mysterious supernovae". www.esahubble.org. Retrieved 16 July 2024.
  2. ^ a b Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
  3. ^ a b c "NGC 5559". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-17.
  4. ^ Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID 11672751.
  5. ^ "Search specification: NGC 5559". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-02-17.
  6. ^ "Results for object NGC 5559 (NGC 5559)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-17.
  7. ^ Seligman, Courtney. "New General Catalogue objects: NGC 5550 - 5599". cseligman.com. Retrieved 2021-02-17.
  8. ^ "SN 2001co". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-17.
  9. ^ Transient Name Server entry for SN 2001co. Retrieved 16 July 2024.
  10. ^ Green, Daniel W. E. (June 30, 2003). "Central Bureau for Astronomical Telegrams, Circular No. 8159". Retrieved 10 August 2024.



source: https://en.wikipedia.org/wiki/NGC_5559