Structural Parameters of the Messier 87 Globular Clusters

@article{Madrid2009StructuralPO,
  title={Structural Parameters of the Messier 87 Globular Clusters},
  author={J. Madrid and W. Harris and J. Blakeslee and M. G'omez},
  journal={The Astrophysical Journal},
  year={2009},
  volume={705},
  pages={237-244}
}
  • J. Madrid, W. Harris, +1 author M. G'omez
  • Published 2009
  • Physics
  • The Astrophysical Journal
  • We derive structural parameters for ~2000 globular clusters in the giant Virgo elliptical Messier 87 (M87) using extremely deep Hubble Space Telescope images in F606W (V) and F814W (I) taken with the ACS/WFC. The cluster scale sizes (half-light radii rh ) and ellipticities are determined from point-spread-function -convolved King-model profile fitting. We find that the rh distribution closely resembles the inner Milky Way clusters, peaking at rh 2.5 pc and with virtually no clusters more… CONTINUE READING
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