Messier Index/M100

Messier 100 250px w:ESO w:VLT view revealing complex spiral arm structure w:Coma BerenicesR. W. Sinnott, editor The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer 1988 Sky Publishing Corporation and Cambridge University Press 0-933-34651-4 w:J2000 SAB(s)bcNASA/IPAC Extragalactic Database Results for NGC 4321 http://nedwww.ipac.caltech.edu/ 2006-08-31 12 22 54.9 +15 49 21 52.5 MlyPattern Speeds BIMA-SONG Galaxies with Molecule-Dominated ISMs Using the Tremaine-Weinberg Method (Ferrarese et al. 1996) http://arxiv.org/abs/astro-ph/0406426 2006-08-31 1571 ± 1 km/s 10.1 7′.4 × 6′.3 NGC 4321 Messier 100 (also known as NGC 4321) is a w:spiral galaxy about 52.5 million w:light-years away in the w:constellation w:Coma Berenices. It was discovered by w:Pierre Méchain in w:1781. It is one of the brightest galaxies in the w:Virgo cluster. Five w:supernovae have been identified in M100: w:SN 1901B, w:SN 1914A, w:SN 1959E, w:SN 1979C and w:SN 2006X. M100 also has a w:satellite galaxy named w:NGC 4323. Other images External links Messier 100 Messier 100 SEDS: Spiral Galaxy 100 ESA/Hubble Messier 100 References