Origin of Thermal and Non-Thermal Hard X-Ray Emission from the Galactic Center

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题名:	Origin of Thermal and Non-Thermal Hard X-Ray Emission from the Galactic Center
作者:	Dogiel,VA;Chernyshov,DO;Yuasa,T;Prokhorov,D;Cheng,KS;Bamba,A;Inoue,H;Ko,CM;Kokubun,M;Maeda,Y;Mitsuda,K;Nakazawa,K;Yamasaki,NY
贡献者:	天文研究所
关键词:	IRON LINE;RIDGE;SUZAKU;DISK;NUCLEI;GALAXY;VIEW;FLUX
日期:	2009
上传时间:	2010-06-29 19:34:53 (UTC+8)
出版者:	中央大學
摘要:	We analyse new results of Chandra and Suzaku Observatories which found a flux of hard X-ray emission from the compact region around Sgr A* (r similar to 100pc). We suppose that this emission is generated by accretion processes onto the central supermassive blackhole when an unbound part of captured stars obtains an additional momentum. As a result a flux of subrelativistic protons is generated near the galactic center which heats the background plasma up to temperatures about 6-10keV and produces by inverse bremsstrahlung a flux of non-thermal X-ray emission in the energy range above 10 keV.
關聯:	PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
显示于类别:	[天文研究所] 期刊論文

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