Suzaku Observation Adjacent to the South End of the Radio Arc

Katsuji Koyama; Ryosuke Fukuoka; Syukyo G. Ryu; Takeshi Go Tsuru

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Suzaku Observation Adjacent to the South End of the Radio Arc

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arxiv 0903.1906 v1 pith:BJ5ZKVWA submitted 2009-03-11 astro-ph.GA

Suzaku Observation Adjacent to the South End of the Radio Arc

Ryosuke Fukuoka , Katsuji Koyama , Syukyo G. Ryu , Takeshi Go Tsuru This is my paper

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keywords bandradioclumpclumpssmallsourcessouthstar

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Suzaku observed the Galactic center region near the Radio Arc at ~20' southeast of Sagittarius A*.In the 18'x18' field of view, we found four distinct X-ray sources: a bright star and a diffuse source associated with the star clusters in the soft band (0.5-2.0 keV), a small clump in a higher energy band (4-6 keV), and a peculiar clump in the 6.4 keV line band.The latter two clumps are located at the south end of the Radio Arc. This paper reports on the results, and discusses the origin of these X-ray sources, with a particular emphasis on small clumps.

Suzaku Observation Adjacent to the South End of the Radio Arc

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