NGC 5308

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NGC 5308
NGC 5308.png
NGC 5308, imaged by the Hubble Space Telescope along with LEDA 2802348 (right)
Observation data (J2000 epoch)
Constellation Ursa Major
Right ascension 13h 47m 00.392s [1]
Declination +60° 58′ 22.94″ [1]
Redshift 0.006665 [2]
Helio radial velocity 1998 km/s [2]
Distance 95.48 ± 16.78  Mly (29.275 ± 5.144  Mpc) [2]
Group or cluster NGC 5322 group [3]
Apparent magnitude  (B)12.5 [4]
Characteristics
Type S0− [2]
Size103,200  ly (31,640  pc) [2]
Apparent size  (V)3.7′ × 0.7′ [2]
Other designations
UGC 8722, MGC+10-20-029, PGC 48860 [4]

NGC 5308 is an edge-on lenticular galaxy in the constellation of Ursa Major. It was discovered on 19 March 1790 by William Herschel. [5] It was described by John Louis Emil Dreyer as "bright, pretty large" when he compiled the New General Catalogue. [6] A small, irregular galaxy near NGC 5308 has been given the designation LEDA 2802348. [7]

NGC 5308 was imaged by the Hubble Space Telescope in 2016. The galaxy appears to be a flat, smooth disk, typical of most lenticular galaxies. Many large globular clusters orbit the galaxy; these are visible as tiny dots surrounding the galaxy, and are mostly made of old, aging stars similar to the galaxy itself. [8]

SN 1996bk, a type Ia supernova, was discovered in NGC 5308 in October 1996. The supernova was 10.5" south and 17.9" west of center of the galaxy, and had an apparent visual magnitude of 15. [9]

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<span class="mw-page-title-main">NGC 1140</span> Irregular galaxy in Eridanus

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<span class="mw-page-title-main">NGC 5011</span> Galaxy in the constellation Centaurus

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<span class="mw-page-title-main">NGC 2328</span> Low luminosity lenticular galaxy in the constellation Puppis

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References

  1. 1 2 Cutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E.; Fowler, John W.; Gizis, John E.; Howard, Elizabeth V.; Huchra, John P.; Jarrett, Thomas H.; Kopan, Eugene L.; Kirkpatrick, J. Davy; Light, Robert M.; Marsh, Kenneth A.; McCallon, Howard L.; Schneider, Stephen E.; Stiening, Rae; Sykes, Matthew J.; Weinberg, Martin D.; Wheaton, William A.; Wheelock, Sherry L.; Zacarias, N. (2003). "VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)". CDS/ADC Collection of Electronic Catalogues. 2246: II/246. Bibcode:2003yCat.2246....0C.
  2. 1 2 3 4 5 6 "NED results for object NGC 5308". National Aeronautics and Space Administration / Infrared Processing and Analysis Center . Retrieved 21 February 2017.
  3. ↑ "NGC 5322". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 21 February 2017.
  4. 1 2 "NGC 5308". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 21 February 2017.
  5. ↑ Seligman, Courtney. "New General Catalogue objects: NGC 5300 – 5349". cseligman.com. Retrieved 21 February 2017.
  6. ↑ "NGC 5308 – SEDS". seds.org. Retrieved 21 February 2017.
  7. ↑ "LEDA 2802348". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 21 February 2017.
  8. ↑ "Busy bees | ESA/Hubble". spacetelescope.org. 2016. Retrieved 21 February 2017.
  9. ↑ Mazza, P.; et al. (1996). "Supernova 1996bk in NGC 5308". IAU Circ. 6491: 1. Bibcode:1996IAUC.6491....1M.


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