2013

Clues on void evolution I: Large scale galaxy distributions around voids

Ceccarelli, L., Paz, D., Lares, M. et al.

Understand

We perform a statistical study focused on void environments.

  • We examine galaxy density profiles around voids in the SDSS, finding a correlation between void--centric distance to the shell of maximum density and void radius when a maximum in overdensity exists.
  • We analyze voids with and without a surrounding over-dense shell in the SDSS.
  • We find that small voids are more frequently surrounded by over-dense shells whereas the radial galaxy density profile of large voids tends to rise smoothly towards the mean galaxy density.

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