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Conference Paper: Origin of thermal and non-thermal hard X-ray emission from the Galactic center

TitleOrigin of thermal and non-thermal hard X-ray emission from the Galactic center
Authors
Dogiel, VACheng, KSChernyshov, DOInoue, HKo, CMKokubun, MMaeda, YMitsuda, KYamasaki, NY
KeywordsAccretion process
Black holes
Energy ranges
Galactic Center
Hard x-ray emission
Inverse bremsstrahlungs
New results
X-ray emission
Issue Date2008
PublisherScuola Internazionale Superiore di Studi Avanzati (SISSA). The Journal's web site is located at http://pos.sissa.it
Citation
The 7th Integral Workshop, Copenhagen, Denmark, 8-11 September 2008. In Proceedings of Science, 2008, article 029, p. 1-8 How to Cite?
AbstractWe analyse new results of CHANDRA and SUZAKU which found a flux of hard X-ray emission from the compact region around Sgr A* (r∼ 100 pc). We propose that this emission is a consequence of a special transient accretion process when a part of captured star obtains an additional angular momentum. As a result a flux of subrelativistic protons is ejected from the Galactic black hole, which heats up the background plasma in the Galactic center up to temperature about 6-10 keV and produces by inverse bremsstrahlung a flux of non-thermal X-ray emission in the energy range above 10 keV.
DescriptionTopic: An INTEGRAL View of Compact Objects
Persistent Identifierhttp://hdl.handle.net/10722/63101
ISSN
1824-8039
2020 SCImago Journal Rankings: 0.114

 

DC FieldValueLanguage
dc.contributor.authorDogiel, VAen_HK
dc.contributor.authorCheng, KSen_HK
dc.contributor.authorChernyshov, DOen_HK
dc.contributor.authorInoue, Hen_HK
dc.contributor.authorKo, CMen_HK
dc.contributor.authorKokubun, Men_HK
dc.contributor.authorMaeda, Yen_HK
dc.contributor.authorMitsuda, Ken_HK
dc.contributor.authorYamasaki, NYen_HK
dc.date.accessioned2010-07-13T04:16:03Z-
dc.date.available2010-07-13T04:16:03Z-
dc.date.issued2008en_HK
dc.identifier.citationThe 7th Integral Workshop, Copenhagen, Denmark, 8-11 September 2008. In Proceedings of Science, 2008, article 029, p. 1-8en_HK
dc.identifier.issn1824-8039-
dc.identifier.urihttp://hdl.handle.net/10722/63101-
dc.descriptionTopic: An INTEGRAL View of Compact Objectsen_HK
dc.description.abstractWe analyse new results of CHANDRA and SUZAKU which found a flux of hard X-ray emission from the compact region around Sgr A* (r∼ 100 pc). We propose that this emission is a consequence of a special transient accretion process when a part of captured star obtains an additional angular momentum. As a result a flux of subrelativistic protons is ejected from the Galactic black hole, which heats up the background plasma in the Galactic center up to temperature about 6-10 keV and produces by inverse bremsstrahlung a flux of non-thermal X-ray emission in the energy range above 10 keV.-
dc.languageengen_HK
dc.publisherScuola Internazionale Superiore di Studi Avanzati (SISSA). The Journal's web site is located at http://pos.sissa.iten_HK
dc.relation.ispartofPoS - Proceedings of Science-
dc.rightsAuthor holds the copyright-
dc.subjectAccretion process-
dc.subjectBlack holes-
dc.subjectEnergy ranges-
dc.subjectGalactic Center-
dc.subjectHard x-ray emission-
dc.subjectInverse bremsstrahlungs-
dc.subjectNew results-
dc.subjectX-ray emission-
dc.titleOrigin of thermal and non-thermal hard X-ray emission from the Galactic centeren_HK
dc.typeConference_Paperen_HK
dc.identifier.emailCheng, KS: physhead@hku.hken_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.scopuseid_2-s2.0-84883643075-
dc.identifier.hkuros166355en_HK
dc.identifier.spage1-
dc.identifier.epage8-
dc.publisher.placeItaly-
dc.customcontrol.immutablesml 1406217-
dc.identifier.issnl1824-8039-

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