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Messier 106 (an aw known as NGC 4258) is an intermediate spiral galaxy in the constellation Canes Venatici.

Messier 106
Messier 106 visible and infrared composite.jpg
M106 an its anomalous arms, Composite o IR (reid) an optical licht (Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), an R. Gendler (for the Hubble Heritage Team)
Observation data (J2000 epoch)
ConstellationCanes Venatici
Richt ascension12h 18m 57.5s[1]
Declination+47° 18′ 14″[1]
Redshift448 ± 3 km/s[1]
Distance23.7 ± 1.5 Mly (7 ± 0.5 Mpc)[2][3]
TeepSAB(s)bc[1]
Size (ly)135,000 ly (in diameter)[4]
Apparent dimensions (V)18′.6 × 7′.2[1]
Apparent magnitude (V)8.4[1]
Notable featursMaser galaxy,[5] Seyfert II galaxy.[6]
Ither designations
M 106, NGC 4258, UGC 7353, PGC 39600.[1][7]
See an aa: Galaxy, Leet o galaxies

ReferencesEedit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for Messier 106. Retrieved 7 December 2006. 
  2. Tonry, J. L.; et al. (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal. 546 (2): 681–693. arXiv:astro-ph/0011223 . Bibcode:2001ApJ...546..681T. doi:10.1086/318301. 
  3. Macri, L. M.; et al. (2006). "A New Cepheid Distance to the Maser-Host Galaxy NGC 4258 and Its Implications for the Hubble Constant". Astrophysical Journal. 652 (2): 1133–1149. arXiv:astro-ph/0608211 . Bibcode:2006ApJ...652.1133M. doi:10.1086/508530. 
  4. http://freestarcharts.com/index.php/20-guides/messier/262-messier-106-m106-spiral-galaxy freestarcharts
  5. Bonanos, Alceste Z. (2006). "Eclipsing Binaries: Tools for Calibrating the Extragalactic Distance Scale". Proceedings of the International Astronomical Union. 2 (S240): 79. arXiv:astro-ph/0610923 . Bibcode:2007IAUS..240...79B. doi:10.1017/S1743921307003845. 
  6. Humphreys, E. M. L.; et al. (2004). "Improved Maser Distance to NGC 4258". Bulletin of the American Astronomical Society. 36: 1468. Bibcode:2004AAS...205.7301H. 
  7. "M 106". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 7 December 2006. 


Coordinates:   12h 18m 57.5s, +47° 18′ 14″