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Pinwheel Galaxy

Frae Wikipedia, the free beuk o knawledge
The "Scots" that wis uised in this airticle wis written bi a body that haesna a guid grip on the leid.
Pleasemak this airticle mair better gin ye can.(Dizember 2020)
Pinwheel Galaxy
Observation data (J2000epoch)
ConstellationUrsa Major
Richt ascension14h 03m 12.6s
Declination+54° 20′ 57″
Redshift0.000804
Helio radial velocity241 ± 2km/s
Distance20.9 ± 1.8 Mly (6.4 ± 0.5 Mpc)
TeepSAB(rs)cd
Size (ly)~170,000 ly in diameter[1]
Nummer o starns1 trillion (1012)
Apparent dimensions (V)28′.8 × 26′.9
Apparent magnitude (V)7.86
Ither designations
Messier 101, M101,NGC 5457,UGC 8981,PGC 50063,Arp 26
References:[2][3][4][5][6][7]
See an aa:Galaxy,Leet o galaxies

ThePinwheel Galaxy (kent asMessier 101,M101 orNGC 5457 an aw) is a face-onspiral galaxy distanced 21 millionlicht-years (saxmegaparsecs)[3] away in theconstellationUrsa Major, first discovered biPierre Méchain on Mairch 27, 1781, an communicatit taeCharles Messier wha verified its poseetion for inclusion in theMessier Catalogue as ane o its final entries.

References

[eedit |edit soorce]
  1. ↑http://www.nasa.gov/multimedia/imagegallery/image_feature_2265.html#.VIX5BWf0DDE NASA/CXC/SAO; IR & UV: NASA/JPL-Caltech; Optical: NASA/STScI
  2. ↑"NASA/IPAC Extragalactic Database".Results for Messier 101. Retrieved6 December 2006.
  3. 12Shappee, Benjamin; Stanek, Kris (Juin 2011). "A New Cepheid Distance to the Giant Spiral M101 Based on Image Subtraction of Hubble Space Telescope/Advanced Camera for Surveys Observations".Astrophysical Journal.733 (2): 124.arXiv:1012.3747.Bibcode:2011ApJ...733..124S.doi:10.1088/0004-637X/733/2/124.
  4. ↑R. W. Sinnott, ed. (1988).The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation / Cambridge University Press.ISBN 0-933346-51-4.
  5. ↑"Distance Results for Messier 101".NASA/IPAC Extragalactic Database. Retrieved1 Mey 2010.
  6. ↑"SIMBAD-M101". SIMBAD Astronomical Database. Retrieved29 November 2009.
  7. ↑Armando, Gil de Paz; Boissier; Madore; Seibert; et al. (2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies".Astrophysical Journal Supplement.173 (2): 185–255.arXiv:astro-ph/0606440.Bibcode:2007ApJS..173..185G.doi:10.1086/516636.Explicit use of et al. in:|author6= (help)

Coordinates:Sky map14h 03m 12.6s, +54° 20′ 57″

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