Fermi-LAT data spanning 15 years yield a power-law GeV spectrum for HESS J0632+057 with a possible 10-100 GeV turnover, and FAST observations set a 2 microJy upper limit on radio pulsations from the system.
Gamma-ray binaries
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abstract
Gamma-ray binaries are a subclass of high-mass binary systems whose energy spectrum peaks at high energies (E$\gtrsim$100 MeV) and extends to very high energies (E$\gtrsim$100 GeV) $\gamma$ rays. In this review we summarize properties of well-studied non-transient $\gamma$-ray binaries as well as briefly discuss poorly known systems and transient systems hosting a microquasar. We discuss also theoretical models that have been used to describe spectral and timing characteristics of considered systems
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Fermi-LAT and FAST observation of the gamma-ray binary HESS J0632+057
Fermi-LAT data spanning 15 years yield a power-law GeV spectrum for HESS J0632+057 with a possible 10-100 GeV turnover, and FAST observations set a 2 microJy upper limit on radio pulsations from the system.