Simulating cherenkov telescope array observation of RX J1713.7-3946

T. Nakamori, H. Katagiri, H. Sano, R. Yamazaki, Y. Ohira, A. Bamba, Y. Fukui, K. Mori, S. H. Lee, Y. Fujita, H. Tajima, T. Inoue, S. Gunji, Y. Hanabata, M. Hayashida, H. Kubo, J. Kushida, S. Inoue, K. Ioka, K. KohriK. Murase, S. Nagataki, T. Naito, A. Okumura, T. Saito, M. Sawada, T. Tanaka, Y. Terada, Y. Uchiyama, S. Yanagita, T. Yoshida, T. Yoshikoshi

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Abstract

We perform simulations of Cherenkov Telescope Array (CTA) observations of a young supernova remnant RX J1713.7-3946. This target is not only one of the brightest sources ever discovered in very high-energy (VHE) gamma rays but also well observed in other wavebands. In X-rays, the emission is dominated by synchrotron radiation, which links directly to the existence of high-energy electrons. Radio observations of CO and HI gas have revealed a highly inhomogeneous medium surrounding the SNR, such as clumpy molecular clouds. Therefore gamma rays from hadronic interactions are naturally expected. However, the spectrum in GeV energy range measured by Fermi/LAT indicates more typical of leptonic emission from accelerated electrons. Despite lots of multi-wavelength information, the competing interpretations have led to much uncertainty in the quest of unraveling the true origin of the gamma-ray emission from RX J1713.7- 3946. CTA will achieve highest performance ever in sensitivity, angular resolution, and energy resolution. We estimate CTA capability to examine the emission mechanisms of the gamma rays through simulated spatial distribution, spectra, and their time variation.

Original languageEnglish (US)
Article number774
JournalProceedings of Science
Volume30-July-2015
Publication statusPublished - Jan 1 2015
Event34th International Cosmic Ray Conference, ICRC 2015 - The Hague, Netherlands
Duration: Jul 30 2015Aug 6 2015

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Nakamori, T., Katagiri, H., Sano, H., Yamazaki, R., Ohira, Y., Bamba, A., ... Yoshikoshi, T. (2015). Simulating cherenkov telescope array observation of RX J1713.7-3946. Proceedings of Science, 30-July-2015, [774].