| M51 Group | |
|---|---|
 The Whirlpool Galaxy (M51A), the brightest member of the M51 Group, and M51B, the companion to the Whirlpool Galaxy. | |
| Observation data (Epoch J2000) | |
| Constellation(s) | Canes Venatici |
| Right ascension | 13h 24m [1][2] |
| Declination | 46° 13′[1][2] |
| Brightest member | Whirlpool Galaxy (M51A)[1][2][3] |
| Number of galaxies | 7-17[1][2][4][3] |
| Other designations | |
| NGC 5194 Group, LGG 347,[1] NOGG H 712,[2] NOGG P1 723,[2] NOGG P2 739[2] | |
The M51 Group is a group of galaxies located in Canes Venatici. The group is named after the brightest galaxy in the group, the Whirlpool Galaxy (M51A). Other notable members include the companion galaxy to the Whirlpool Galaxy (M51B) and the Sunflower Galaxy (M63).[1][2][4][3]
- ^ a b c d e f A. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement. 100: 47–90. Bibcode:1993A&AS..100...47G.
- ^ a b c d e f g h G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode:2000ApJ...543..178G. doi:10.1086/317070. S2CID 9618325.
- ^ a b c P. Fouque, E. Gourgoulhon, P. Chamaraux, G. Paturel; Gourgoulhon; Chamaraux; Paturel (1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement. 93: 211–233. Bibcode:1992A&AS...93..211F.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ a b R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 0-521-35299-1.