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Article: Origin of 6.4 keV Line Emission from Molecular Clouds in the Galactic Center
Title | Origin of 6.4 keV Line Emission from Molecular Clouds in the Galactic Center |
---|---|
Authors | |
Keywords | Galaxy: center ISM: molecular clouds: cosmic rays X-rays: diffuse background |
Issue Date | 2009 |
Publisher | Nihon Tenmon Gakkai. The Journal's web site is located at http://www.asj.or.jp/pasj/ |
Citation | Publications Of The Astronomical Society Of Japan, 2009, v. 61 n. 4, p. 901-907 How to Cite? |
Abstract | We analyze the 6.4 keV line and continuum emission from the molecular cloud SgrB2 and the source HESS J1745-303, which is supposed to be a complex of molecular gas. From the HESS results it follows that Sgr A* is a source of high energy protons, which penetrate into molecular clouds producing there a TeV gamma-ray flux. We present arguments that Sgr A may also produce a flux of subrelativistic protons which generate the 6.4 keV line and bremsstrahlune continuum emission from the clouds. © 2009. Astronomical Society of Japan. |
Persistent Identifier | http://hdl.handle.net/10722/80637 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.860 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Dogiel, V | en_HK |
dc.contributor.author | Cheng, KS | en_HK |
dc.contributor.author | Chernyshov, D | en_HK |
dc.contributor.author | Bamba, A | en_HK |
dc.contributor.author | Ichimura, A | en_HK |
dc.contributor.author | Inoue, H | en_HK |
dc.contributor.author | Ko, CM | en_HK |
dc.contributor.author | Kokubun, M | en_HK |
dc.contributor.author | Maeda, Y | en_HK |
dc.contributor.author | Mitsuda, K | en_HK |
dc.contributor.author | Yamasaki, NY | en_HK |
dc.date.accessioned | 2010-09-06T08:08:39Z | - |
dc.date.available | 2010-09-06T08:08:39Z | - |
dc.date.issued | 2009 | en_HK |
dc.identifier.citation | Publications Of The Astronomical Society Of Japan, 2009, v. 61 n. 4, p. 901-907 | en_HK |
dc.identifier.issn | 0004-6264 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/80637 | - |
dc.description.abstract | We analyze the 6.4 keV line and continuum emission from the molecular cloud SgrB2 and the source HESS J1745-303, which is supposed to be a complex of molecular gas. From the HESS results it follows that Sgr A* is a source of high energy protons, which penetrate into molecular clouds producing there a TeV gamma-ray flux. We present arguments that Sgr A may also produce a flux of subrelativistic protons which generate the 6.4 keV line and bremsstrahlune continuum emission from the clouds. © 2009. Astronomical Society of Japan. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Nihon Tenmon Gakkai. The Journal's web site is located at http://www.asj.or.jp/pasj/ | en_HK |
dc.relation.ispartof | Publications of the Astronomical Society of Japan | en_HK |
dc.subject | Galaxy: center | en_HK |
dc.subject | ISM: molecular clouds: cosmic rays | en_HK |
dc.subject | X-rays: diffuse background | en_HK |
dc.title | Origin of 6.4 keV Line Emission from Molecular Clouds in the Galactic Center | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Cheng, KS: hrspksc@hkucc.hku.hk | en_HK |
dc.identifier.authority | Cheng, KS=rp00675 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.scopus | eid_2-s2.0-70349637140 | en_HK |
dc.identifier.hkuros | 166037 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-70349637140&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 61 | en_HK |
dc.identifier.issue | 4 | en_HK |
dc.identifier.spage | 901 | en_HK |
dc.identifier.epage | 907 | en_HK |
dc.identifier.isi | WOS:000271364000030 | - |
dc.publisher.place | Japan | en_HK |
dc.identifier.scopusauthorid | Dogiel, V=6603566238 | en_HK |
dc.identifier.scopusauthorid | Cheng, KS=9745798500 | en_HK |
dc.identifier.scopusauthorid | Chernyshov, D=14059433800 | en_HK |
dc.identifier.scopusauthorid | Bamba, A=6701557970 | en_HK |
dc.identifier.scopusauthorid | Ichimura, A=24457822900 | en_HK |
dc.identifier.scopusauthorid | Inoue, H=53873680500 | en_HK |
dc.identifier.scopusauthorid | Ko, CM=7202596730 | en_HK |
dc.identifier.scopusauthorid | Kokubun, M=7006798464 | en_HK |
dc.identifier.scopusauthorid | Maeda, Y=7402845669 | en_HK |
dc.identifier.scopusauthorid | Mitsuda, K=7005132297 | en_HK |
dc.identifier.scopusauthorid | Yamasaki, NY=7102834448 | en_HK |
dc.identifier.issnl | 0004-6264 | - |