NGC 4631 Group

NGC 4631 Group
NGC 4631 and NGC 4627 top right. NGC 4656 and NGC 4657 bottom right.
Observation data (Epoch J2000)
Constellation(s)Canes Venatici
& Coma Berenices
Right ascension12h 09m[1][2]
Declination+30° 02′[1][2]
Brightest memberNGC 4631[2][3]
Number of galaxies5–27[1][2][3][4]
Other designations
LGG 291,[1] NOGG H611,[2]
NOGG P1 631,[2] NOGG P2 642[2]

The NGC 4631 Group is a poorly defined group of galaxies, about 25 million light-years from Earth in the Coma Berenices and Canes Venatici constellations.

The NGC 4631 Group is one of many that lie within the Virgo Supercluster.[3]

  1. ^ a b c d A. M. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement. 100: 47–90. Bibcode:1993A&AS..100...47G.
  2. ^ a b c d e f g 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.
  3. ^ a b c Cite error: The named reference fouqueetal1992 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference nbg was invoked but never defined (see the help page).