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titleSuzaku Observation of the Iron Absorption Lines in the Dipping Low-Mass X-ray Binary XB1323-619
Author(jpn)広津, 敏尚; 堂谷 忠靖; 尾崎 正伸; 馬場, 彩; 穴田, 貴康
Author(eng)Hirotsu, Toshihisa; Dotani, Tadayasu; Ozaki, Masanobu; Bamba, Aya; Anada, Takayasu; Balucinska-Church, M.; Church, M. J.
Author Affiliation(jpn)宇宙航空研究開発機構宇宙科学研究本部; 宇宙航空研究開発機構宇宙科学研究本部; 宇宙航空研究開発機構宇宙科学研究本部; 宇宙航空研究開発機構宇宙科学研究本部; 宇宙航空研究開発機構宇宙科学研究本部
Author Affiliation(eng)Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA); University of Birmingham; University of Birmingham
Issue Date2010-02-26
Publisher宇宙航空研究開発機構
Japan Aerospace Exploration Agency (JAXA)
Publication title宇宙航空研究開発機構特別資料:
JAXA Special Publication: The Energetic Cosmos; from Suzaku to ASTRO-H
VolumeJAXA-SP-09-008E
Start page274
End page275
Publication date2010-02-26
Languageeng
AbstractWe report Suzaku observation of the dipping, bursting low-mass X-ray binary XB 1323-619 focusing on the iron absorption lines in the energy spectra. The source was found to be dim, 1.5 x 10(exp 36) ergs/s (1-10 keV, 10 kpc), during the Suzaku observation in 2007 contrary to the brightening trend continued between 1985 and 2003. Clear absorption lines of He/H-like iron ions were detected in the persistent and dip spectra of the Suzaku data. In spite of the luminosity difference of a factor of 4, the equivalent widths (EWs) of the absorption lines and their changes in the dip were not very different from those observed by XMM-Newton in 2003. We considered the cause of similarity in EWs in the framework of the standard disk model.
DescriptionMeeting Information: The 3rd Suzaku international Conference "Energetic Cosmos : from Suzaku to ASTRO-H" (June 29-July 2, 2009. Grand Park Otaru Hotel), Otaru, Hokkaido Japan
Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of Science
Keywordsaccretion disk - X-rays: general - X-ray: individual (XB1323-619)
Document TypeConference Paper
JAXA Category特別資料
ISSN1349-113X
NCIDAA11984031
SHI-NOAA0064574100
Report NoJAXA-SP-09-008E
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/18040


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