To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

How to transfigure the Wikipedia

Would you like Wikipedia to always look as professional and up-to-date? We have created a browser extension. It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology.

Try it — you can delete it anytime.

Install in 5 seconds
4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
Great Wikipedia has got greater.
.
Leo
Newton
Brights
Milds

NGC 257

From Wikipedia, the free encyclopedia

NGC 257
SDSS image of NGC 257
Observation data (J2000 epoch)
ConstellationPisces
Right ascension00h 48m 01.510s[1]
Declination+08° 17′ 49.45″[1]
Redshift0.017592[2]
Heliocentric radial velocity5274 km/s[2]
Distance219.64 ± 34.73 Mly (67.343 ± 10.649 Mpc)[2]
Apparent magnitude (B)13.7[3]
Characteristics
TypeScd?[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]

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. ^ a b c d e f "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.

External links


Stub icon

This spiral galaxy article is a stub. You can help Wikipedia by expanding it.

This page was last edited on 25 August 2023, at 05:40
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.
Contact WIKI 2
Introduction
Terms of Service
Privacy Policy