Evidence for an extended Sunyaev–Zel'dovich effect in WMAP data

@article{Myers2004EvidenceFA,
  title={Evidence for an extended Sunyaev–Zel'dovich effect in WMAP data},
  author={A. Myers and T. Shanks and P. Outram and W. Frith and A. Wolfendale},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2004},
  volume={347}
}
We have cross-correlated the WMAP data with several surveys of extragalactic sources and find evidence for temperature decrements associated with galaxy clusters and groups detected in the APM Galaxy Survey and the Abell–Corwin–Olowin (ACO) catalogue. We interpret this as evidence for the thermal Sunyaev–Zel'dovich (SZ) effect from the clusters. Most interestingly, the signal may extend to ≈ 1 deg (≈5 h−1 Mpc) around both groups and clusters and we suggest that this may be due to hot… Expand
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