Universität zu Köln

Sano, H., Sato, J., Horachi, H., Moribe, N., Yamamoto, H., Hayakawa, T., Torii, K., Kawamura, A., Okuda, T., Mizuno, N., Onishi, T., Maezawa, H., Inoue, T., Inutsuka, S., Tanaka, T., Matsumoto, H., Mizuno, A., Ogawa, H., Stutzki, J., Bertoldi, F., Anderl, S., Bronfman, L., Koo, B. -C., Burton, M. G., Benz, A. O. and Fukui, Y. (2010). STAR-FORMING DENSE CLOUD CORES IN THE TeV GAMMA-RAY SNR RX J1713.7-3946. Astrophys. J., 724 (1). S. 59 - 69. BRISTOL: IOP PUBLISHING LTD. ISSN 1538-4357

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Abstract

RX J1713.7-3946 is one of the TeV gamma-ray supernova remnants (SNRs) emitting synchrotron X-rays. The SNR is associated with molecular gas located at similar to 1 kpc. We made new molecular observations toward the dense cloud cores, peaks A, C, and D, in the SNR in the (CO)-C-12(J = 2-1) and (CO)-C-13(J = 2-1) transitions at an angular resolution of 90 ''. The most intense core in (CO)-C-13, peak C, was also mapped in the (CO)-C-12(J = 4-3) transition at an angular resolution of 38 ''. Peak C shows strong signs of active star formation including bipolar outflow and a far-infrared protostellar source, and has a steep gradient with a r(-2.2 +/- 0.4) variation in the average density within radius r. Peak C and the other dense cloud cores are rim-brightened in synchrotron X-rays, suggesting that the dense cloud cores are embedded within or on the outer boundary of the SNR shell. This confirms the earlier suggestion that the X-rays are physically associated with the molecular gas. We present a scenario where the densest molecular core, peak C, survived the blast wave and is now embedded within the SNR. Numerical simulations of the shock-cloud interaction indicate that a dense clump can indeed survive shock erosion, since the shock propagation speed is stalled in the dense clump. Additionally, the shock-cloud interaction induces turbulence and magnetic field amplification around the dense clump that may facilitate particle acceleration in the lower-density inter-clump space leading to enhanced synchrotron X-rays around dense cores.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Sano, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sato, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Horachi, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moribe, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yamamoto, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hayakawa, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Torii, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kawamura, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Okuda, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mizuno, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Onishi, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Maezawa, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Inoue, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Inutsuka, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tanaka, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Matsumoto, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mizuno, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ogawa, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stutzki, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bertoldi, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Anderl, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bronfman, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Koo, B. -C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Burton, M. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Benz, A. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fukui, Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-492305
DOI:	10.1088/0004-637X/724/1/59
Journal or Publication Title:	Astrophys. J.
Volume:	724
Number:	1
Page Range:	S. 59 - 69
Date:	2010
Publisher:	IOP PUBLISHING LTD
Place of Publication:	BRISTOL
ISSN:	1538-4357
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MOLECULAR CLOUDS; PARTICLE-ACCELERATION; SUPERNOVA-REMNANTS; EMISSION; SHELL; DISCOVERY; GAS; CO Multiple languages Astronomy & Astrophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49230