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Tev gamma‐ray observations of the perseus and abell 2029 galaxy clusters
(IOP Publishing, 2006-06-10)
Galaxy clusters might be sources of TeV gamma rays emitted by high-energy protons and electrons accelerated by large-scale structure formation shocks, galactic winds, or active galactic nuclei. Furthermore, gamma rays may ...
Multiwavelength observations of 1es 1959+650, 1 year after the strong outburst of 2002
(IOP Publishing, 2006-06-20)
In 2003 April-May, the blazar 1ES 1959+650 showed an increased level of X-ray activity. This prompted a multiwavelength observation campaign with the Whipple 10 m gamma-ray telescope, the Rossi X-Ray Timing Explorer, the ...