NGC 740

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NGC 740
NGC740 - SDSS DR14.jpg
NGC 740 imaged by the Sloan Digital Sky Survey
Observation data (J2000 epoch)
Constellation Triangulum
Right ascension 01h 56m 54.867s [1]
Declination +33° 00′ 54.63″ [1]
Heliocentric radial velocity 4,518 [2]  km/s
Distance 198.9  Mly (60.98  Mpc) [2]
Apparent magnitude  (B)14.9
Characteristics
Type SBb? [3]
Mass 2.48×1012 [2]   M☉
Size1,100 kly [2]
Apparent size  (V)1.017′ × 0.264′ [1]
Other designations
UGC 1421, MCG +05-05-031, PGC 7316 [4]

NGC 740 is a barred spiral galaxy located in the Triangulum constellation. It is estimated to be 210 million light-years from the Milky Way and has a diameter of about 85,000 light-years. It was discovered by the Irish engineer Bindon Stoney, an assistant to William Parsons. [5] [6] [7]

References

  1. 1 2 3 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. 1 2 3 4 Crook, Aidan C.; et al. (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.
  3. ↑ de Vaucouleurs, G.; et al. (1991). "Third reference catalogue of bright galaxies". 3.9. New York: Springer-Verlag.{{cite journal}}: Cite journal requires |journal= (help)
  4. ↑ "NGC 740". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2020-01-13.
  5. ↑ Rojas, Sebastián García. "Galaxy NGC 740 - Barred Spiral Galaxy in Triangulum Constellation". Telescopius. Retrieved 2019-12-09.
  6. ↑ "DOCdb - NGC 740". www.docdb.net. Retrieved 2019-12-09.
  7. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2019-12-09.


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