NGC 634

NGC 634
Picture created from images taken with the Wide Field Channel of Hubble's Advanced Camera for Surveys
Observation data (J2000 epoch)
ConstellationTriangulum
Right ascension01h 38m 18.679s[1]
Declination+35° 21′ 53.47″[1]
Redshift0.016417[2]
Heliocentric radial velocity4,925 km/s[3]
Distance217.1 Mly (66.55 Mpc)[3]
Apparent magnitude (V)14.0
Characteristics
TypeSa[4]
Size144,000 ly (44.16 kpc) (diameter; D25 isophote)[4]
Apparent size (V)2′.04 × 0′.55[5]
Other designations
MCG+06-04-048, UGC 1164,[6] PGC 6059

NGC 634 is a spiral galaxy, lying at a distance of 217.1 megalight-years[3] away from the Milky Way in the northern constellation of Triangulum. This object was discovered on 26 October 1876 by French astronomer Édouard Stephan.[7][8] It is inclined by an angle of 82.4° to the line of sight from the Earth, and thus is being viewed nearly edge on.[5]

Supernovae

One supernovae have been observed in NGC 634:

References

  1. ^ 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.
  2. ^ Kochanek, C. S.; et al. (October 2001), "The K-Band Galaxy Luminosity Function", The Astrophysical Journal, 560 (2): 566–579, arXiv:astro-ph/0011456, Bibcode:2001ApJ...560..566K, doi:10.1086/322488, S2CID 119420446
  3. ^ a b c Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (February 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.
  4. ^ a b "NED results for object NGC 0634". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 3 February 2017.
  5. ^ a b c d Leaman, Jesse; et al. (April 2011). "Nearby supernova rates from the Lick Observatory Supernova Search – I. The methods and data base". Monthly Notices of the Royal Astronomical Society. 412 (3): 1419–1440. arXiv:1006.4611. Bibcode:2011MNRAS.412.1419L. doi:10.1111/j.1365-2966.2011.18158.x. S2CID 118430231.
  6. ^ "NGC 634". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-04-02.
  7. ^ "A perfect spiral with an explosive secret". Hubble Space Telescope. May 30, 2011. Retrieved 2020-04-03.
  8. ^ Seligman, Courtney. "NGC 634". Celestial Atlas. Retrieved 26 August 2024.
  9. ^ Li, W.; et al. (January 2006). Green, D. W. E. (ed.). "Supernovae 2006Q, 2006R, 2006S". IAU Circular (8664): 2. Bibcode:2006IAUC.8664....2L.
  10. ^ "SN 2006Q". Transient Name Server. IAU. Retrieved 11 February 2026.
  11. ^ a b Nakano, S.; et al. (January 2008). Green, D. W. E. (ed.). "Supernova 2008A in NGC 634". Central Bureau Electronic Telegrams (1193): 1. Bibcode:2008CBET.1193....1N.
  12. ^ Foley, Ryan J.; Challis, P. J.; Chornock, R.; Ganeshalingam, M.; Li, W.; Marion, G. H.; Morrell, N. I.; Pignata, G.; Stritzinger, M. D.; Silverman, J. M.; Wang, X.; Anderson, J. P.; Filippenko, A. V.; Freedman, W. L.; Hamuy, M.; Jha, S. W.; Kirshner, R. P.; McCully, C.; Persson, S. E.; Phillips, M. M.; Reichart, D. E.; Soderberg, A. M. (2013). "Type Iax Supernovae: A New Class of Stellar Explosion". The Astrophysical Journal. 767 (1): 57. arXiv:1212.2209. Bibcode:2013ApJ...767...57F. doi:10.1088/0004-637X/767/1/57.
  13. ^ "SN 2008A". Transient Name Server. IAU. Retrieved 11 February 2026.
  • Media related to NGC 634 at Wikimedia Commons
  • A Perfect Spiral with an Explosive Secret: ESA/Hubble Picture of the week.
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