The anatomy of the NGC 5044 group – I. Group membership and dynamics

@article{Mendel2008TheAO,
  title={The anatomy of the NGC 5044 group – I. Group membership and dynamics},
  author={J. Mendel and R. Proctor and D. Forbes and S. Brough},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2008},
  volume={389},
  pages={749-765}
}
  • J. Mendel, R. Proctor, +1 author S. Brough
  • Published 2008
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We use a combination of new AAOmega multi-object wide-field spectroscopic observations and literature data to define 111 spectroscopically confirmed members of the massive NGC 5044 group with M B ≤ -13.5 mag, providing a three-fold increase in group members over previous analyses of this group. We find the group to have a dynamical mass of 9.2 x 10 13 M ⊙ , placing it on the border between rich groups and poor clusters. However, comparison to the L x -σ ν and L x -Mass relations shows that it… CONTINUE READING
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