Galactic cosmic rays are widely thought to be accelerated at supernova remnants (SNRs). SNR RX J1713.7−3946 is the strong sources of nonthermal radiation, making it one of the most well studied particle accelerators in our Galaxy. From the Chandra measurement of the proper motions in the northwest region of RX J1713.7−3946, the blast-wave shock speed is estimated as 3900 km/s. This relatively fast shock velocity, combined with the standard analytic solutions that describe the hydrodynamical properties of SNR evolution, supports the connection with SN393, and suggests that RX J1713.7−3946 would not have exited the ejecta-dominated phase, implying that the energy of accelerated particles has not reached the maximum yet. We have recently performed hard X-ray observations of RX J1713.7−3946 with NuSTAR (3–79 keV), providing fisrt imaging observations of RX J1713.7−3946 at the hard X-ray band above 10 keV. In preliminary fashion, we present spatially-resolved spectral analysis of the northwest part of this remnant and report the detection of an extremely hard X-ray component with NuSTAR.
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4 January 2017
HIGH ENERGY GAMMA-RAY ASTRONOMY: 6th International Meeting on High Energy Gamma-Ray Astronomy
11–15 July 2016
Heidelberg, Germany
Research Article|
January 04 2017
Chandra and NuSTAR observations of supernova remnant RX J1713.7−3946
Naomi Tsuji;
Naomi Tsuji
a)
1Department of Physics,
Rikkyo University
, 3-34-1 Nishi Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
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Yasunobu Uchiyama;
Yasunobu Uchiyama
b)
1Department of Physics,
Rikkyo University
, 3-34-1 Nishi Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
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Satoru Katsuda;
Satoru Katsuda
2Department of Physics,
Faculty of Science & Engineering, Chuo University
, 1-13-27 Kasuga, Bunkyo, Tokyo 112-8551, Japan
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David Berge;
David Berge
3GRAPPA, Anton Pannekoek Institute for Astronomy and Institute of High-Energy Physics,
University of Amsterdam
, Science Park 904, 1098 XH Amsterdam, The Netherlands
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Felix Aharonian
Felix Aharonian
4
Max-Planck-Institut fü r Kernphysik
, P.O. Box 103980, D 69029 Heidelberg, Germany
5
Dublin Institute for Advanced Studies
, 31 Fitzwilliam Place, Dublin 2, Ireland
6
National Academy of Sciences of the Republic of Armenia
, Marshall Baghramian Avenue, 24, 0019 Yerevan, Republic of Armenia
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Naomi Tsuji
1,a)
Yasunobu Uchiyama
1,b)
Satoru Katsuda
2
David Berge
3
Felix Aharonian
4,5,6
1Department of Physics,
Rikkyo University
, 3-34-1 Nishi Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
2Department of Physics,
Faculty of Science & Engineering, Chuo University
, 1-13-27 Kasuga, Bunkyo, Tokyo 112-8551, Japan
3GRAPPA, Anton Pannekoek Institute for Astronomy and Institute of High-Energy Physics,
University of Amsterdam
, Science Park 904, 1098 XH Amsterdam, The Netherlands
4
Max-Planck-Institut fü r Kernphysik
, P.O. Box 103980, D 69029 Heidelberg, Germany
5
Dublin Institute for Advanced Studies
, 31 Fitzwilliam Place, Dublin 2, Ireland
6
National Academy of Sciences of the Republic of Armenia
, Marshall Baghramian Avenue, 24, 0019 Yerevan, Republic of Armenia
AIP Conf. Proc. 1792, 040003 (2017)
Citation
Naomi Tsuji, Yasunobu Uchiyama, Satoru Katsuda, David Berge, Felix Aharonian; Chandra and NuSTAR observations of supernova remnant RX J1713.7−3946. AIP Conf. Proc. 4 January 2017; 1792 (1): 040003. https://doi.org/10.1063/1.4968907
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