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Fine-structure in the nonthermal X-ray emission of SNR RX J1713.7-3946 revealed by Chandra

MPG-Autoren
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Aharonian,  F. A.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Uchiyama, Y., Aharonian, F. A., & Takahashi, T. (2003). Fine-structure in the nonthermal X-ray emission of SNR RX J1713.7-3946 revealed by Chandra. Astronomy & Astrophysics, 400(2), 567-574.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0011-8F3A-2
Zusammenfassung
We present morphological and spectroscopic studies of the northwest rim of the supernova remnant RX J1713.7-3946 based on observations by the Chandra X-ray observatory. We found a complex network of nonthermal (synchrotron) X-ray filaments, as well as a "void" type structure - a dim region of a circular shape - in the northwest rim. It is remarkable that despite distinct brightness variations, the X-ray spectra everywhere in this region can be well fitted with a power-law model with photon index ranging Gamma = 2.1-2.5. We briefly discuss some implications of these results and argue that the resolved X-ray features in the northwest rim may challenge the perceptions of the standard diffusive shock-acceleration models concerning the production, propagation and radiation of relativistic particles in supernova remnants.