A possible explanation of photon emission from supernova remnants by jitter radiation |
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| Authors: | T. Ogasawara T. Yoshida S. Yanagita T. Kifune |
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| Affiliation: | (1) Faculty of Science, Ibaraki University, Mito 310-8512, Japan;(2) Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 263-8555, Japan |
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| Abstract: | We investigate a possibility that non-thermal X-ray emission in a supernova remnant(SNR) is produced by jitter radiation, which is the analogue of synchrotron radiation in small-scale random magnetic fields. We can fit the multi-wavelength data of SNRs RX J1713.7-3946 (G347.3-0.5) and RX J0852.0-4622 (G266.6-1.2) by constructing pure jitter and inverse Compton (IC) emission models. We find that the physical fit parameters of random magnetic fields take values of several tens of μG strength and of the order of ∼107 cm correlation length. These properties of random magnetic fields in collisionless shock of SNRs are discussed. |
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| Keywords: | Jitter radiation Supernova remnant Cosmic rays TeV gamma rays |
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