The local group of galaxies

@article{Bergh1999TheLG,
  title={The local group of galaxies},
  author={S. Bergh},
  journal={Journal of the Royal Astronomical Society of Canada},
  year={1999},
  volume={9},
  pages={273-318}
}
  • S. Bergh
  • Published 1999
  • Physics
  • Journal of the Royal Astronomical Society of Canada
  • Hubble's (1936, p. 125) view that the Local Group (LG) is “a typical, small group of nebulae which is isolated in the general field” is confirmed by modern data. The total number of certain and probable Group members presently stands at 35. The half-mass radius of the Local Group is found to be \(R_{\rm h}\approx 350\) kpc. The zero-velocity surface, which separates the Local Group from the field that is expanding with the Hubble flow, has a radius \(R_{\rm o} = 1.18\pm 0.15\) Mpc. The total… CONTINUE READING
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