NGC 257

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NGC 257
NGC257 - SDSS DR14.jpg
SDSS image of NGC 257
Observation data (J2000 epoch)
Constellation Pisces
Right ascension 00h 48m 01.510s [1]
Declination +08° 17′ 49.45″ [1]
Redshift 0.017592 [2]
Helio radial velocity 5274 km/s [2]
Distance 219.64 ± 34.73  Mly (67.343 ± 10.649  Mpc) [2]
Apparent magnitude  (B)13.7 [3]
Characteristics
Type Scd? [2]
Size141,000  ly (43,100  pc) [2] [note 1]
Apparent size  (V)3.0′ × 2.5′ [2]
Other designations
UGC 493, MGC+01-03-003, PGC 2818

NGC 257 is a spiral galaxy in the Pisces constellation. It was discovered on December 29, 1790, by Frederick William Herschel. [4]

Contents

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<span class="mw-page-title-main">NGC 96</span> Lenticular galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 97</span> Galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 102</span> Galaxy in the constellation Cetus

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<span class="mw-page-title-main">NGC 107</span> Spiral galaxy in the constellation Cetus

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<span class="mw-page-title-main">NGC 109</span> Spiral galaxy in the constellation Andromeda

NGC 109 is a spiral galaxy estimated to be about 240 million light-years away in the constellation of Andromeda. It was discovered by Heinrich d'Arrest in 1861 and its magnitude is 13.7.

<span class="mw-page-title-main">NGC 94</span> Lenticular galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 255</span> Galaxy in the constellation Cetus

NGC 255 is a barred spiral galaxy in the constellation Cetus. It was discovered on November 27, 1785, by Frederick William Herschel.

References

  1. 1 2 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 5 6 "NED results for object NGC 0257". National Aeronautics and Space Administration / Infrared Processing and Analysis Center . Retrieved 25 June 2017.
  3. ↑ "NGC 257". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 25 June 2017.
  4. ↑ Seligman, Courtney. "New General Catalogue objects: NGC 250 - 299". cseligman.com. Retrieved 25 June 2017.

Notes

  1. ↑ POSS1 103a-O values used.


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