Sunyaev-Zel'dovich Cluster Profiles Measured with the South Pole Telescope

Understand

We present Sunyaev-Zel'dovich measurements of 15 massive X-ray selected galaxy clusters obtained with the South Pole Telescope.

• The Sunyaev-Zel'dovich (SZ) cluster signals are measured at 150 GHz, and concurrent 220 GHz data are used to reduce astrophysical contamination.
• Radial profiles are computed using a technique that takes into account the effects of the beams and filtering.
• In several clusters, significant SZ decrements are detected out to a substantial fraction of the virial radius.