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Suzaku observations of the radio galaxy Fornax A west lobe

Published online by Cambridge University Press:  24 February 2011

Hiromi Seta
Affiliation:
Department of Physics, Saitama University, 255 Shimo-Okubo, Sakura, Saitama, 338-8570, Japan email: seta@heal.phy.saitama-u.ac.jp
Makoto S. Tashiro
Affiliation:
Department of Physics, Saitama University, 255 Shimo-Okubo, Sakura, Saitama, 338-8570, Japan email: seta@heal.phy.saitama-u.ac.jp
Naoki Isobe
Affiliation:
Department of Astronomy, Kyoto University, Kitashirakawa-Oiwake-cho, Skyo-ku, Kyoto 606-8502, Japan
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Abstract

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We performed mapping observations of the Fornax A west lobe with Suzaku in order to measure X-ray brightness distribution. Thanks to the low and stable background of Suzaku, we succeeded in detecting the faint diffuse X-ray emission from the west lobe. Performing careful corrections to the obtained images, we finally measured the X-ray brightness profile extending over the lobe. By comparing the X-ray and radio profiles, the magnetic field found to be fairly constant at ~1 μG over the lobe, while the electron energy distribution is suggested to concentrate on the lobe center.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

References

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