The Lack of Diffuse, Non-thermal Hard X-ray Emission in the Coma Cluster: The Swift Burst Alert Telescope's Eye View

  title={The Lack of Diffuse, Non-thermal Hard X-ray Emission in the Coma Cluster: The Swift Burst Alert Telescope's Eye View},
  author={Daniel R. Wik and Craig L. Sarazin and Alexis Finoguenov and Wayne H. Baumgartner and Richard F. Mushotzky and Takashi Okajima and Jack Tueller and T. Lanz Nasa Gsfc and University of Virginia and Mpe and University of Maryland Baltimore County and University Park and Nrl},
  journal={The Astrophysical Journal},
The Coma Cluster of galaxies hosts the brightest radio halo known and has therefore been the target of numerous searches for associated inverse Compton (IC) emission, particularly at hard X-ray energies where the IC signal must eventually dominate over thermal emission. The most recent search with the Suzaku Hard X-ray Detector failed to confirm previous IC detections with RXTE and BeppoSAX, instead setting an upper limit 2.5 times below their non-thermal flux. However, this discrepancy can be… Expand
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