Astronomy:NGC 5559

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Short description: Galaxy in the constellation Boötes
NGC 5559
File:NGC5559 - HST - Potw1736a.tif
NGC 5559 taken by Hubble Space Telescope.[1]
Observation data (J2000 epoch)
ConstellationBoötes
Right ascension 14h 19m 12.792s[2]
Declination+24° 47′ 55.01″[2]
Redshift0.01717[3]
Helio 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] The supernova was a calcium-rich supernova, as it had strong spectral lines characteristic of calcium. The progenitors of these calcium-rich supernovae are still a mystery.[1]

See also

References

  1. ↑ 1.0 1.1 1.2 "Mysterious supernovae". https://www.spacetelescope.org/images/potw1736a/. 
  2. ↑ 2.0 2.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W. et al. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal 131 (2): 1163–1183. doi:10.1086/498708. ISSN 0004-6256. Bibcode: 2006AJ....131.1163S. 
  3. ↑ 3.0 3.1 3.2 "NGC 5559". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+5559. 
  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. doi:10.1086/510201. Bibcode: 2007ApJ...655..790C. 
  5. ↑ "Search specification: NGC 5559". HyperLeda. Université Claude Bernard Lyon 1. http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC%205559. 
  6. ↑ "Results for object NGC 5559 (NGC 5559)". NASA/IPAC Extragalactic Database. California Institute of Technology. https://ned.ipac.caltech.edu/byname?objname=NGC%205559&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1. 
  7. ↑ Seligman, Courtney. "New General Catalogue objects: NGC 5550 - 5599". http://cseligman.com/text/atlas/ngc55a.htm#5559. 
  8. ↑ "SN 2001co". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=SN+2001co. 

External links

Coordinates: Sky map 14h 19m 12.792s, +24° 47′ 55.01″




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