Suzaku Observations of the Dwarf Nova SS Cyg in Quiescence and Outburst(Chapter 8. White Dwarf and Neutron Star Isolated and/or Binaries, The Extreme Universe in the Suzaku Era)

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概要

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• We present the results from the Suzaku observations of SS Cyg in quiescence and outburst carried out in November, 2005. Owing to an excellent energy-resolving power of the XIS, we resolved the 6.4keV iron Kα line into a narrow component and a broad tail in quiescence, which probably originate from the white dwarf and inner accretion disk, respectively. The 6.4keV line in outburst is dominated by an extremely broad component. These 6.4keV line features are first recognized by Suzaku this time. Using the iron abundance of 0.30±0.03Z_⦿ obtained from our analysis of the outburst spectra, we set the upper limit of the radial extent of the BL to be<0.15R_<WD> in quiescence.

• 2007-12-19

著者

• Terada Yukikatsu

  Riken (institute Of Physical And Chemical Research)

• Ishida M

  Japan Aerospace Exploration Agency Institute Of Space And Astronautical Science

• HAYASHI Takayuki

  Department of Physics, Tokyo Metropolitan University

• Mori K

  Cresst And X-ray Astrophysics Laboratory Nasa/gsfc

• HIYOSHI Kenji

  Meisei Electric Company

• Matsuzaki K

  Department Of Applied Physics University Of Miyazaki

• Okuno Shin'ya

  Department Of Physics Kanazawa University

• MUKAI Koji

  Code 662, Astrophysics Science Division, NASA Goddard Space Flight Center

• HAMAGUCHI Kenji

  Code 662, Astrophysics Science Division, NASA Goddard Space Flight Center

• Hayashi Takayuki

  Institute Of Space And Astronautical Science/jaxa

• ISHIDA Manabu

  ISAS, JAXA

• OKADA Shunsaku

  ISAS, JAXA

• NAKAMURA Ryoko

  ISAS, JAXA

• HAYASHI Takayuki

  Tokyo Metropolitan University

• Ishida Manabu

  Institute Of Space And Astronautical Science

• Hayashida Kiyoshi

  Department Of Earth And Space Science Osaka University

• Hashimotodani K

  Department Of Earth And Space Science Graduate School Of Science Osaka University

• Hayashi Takayuki

  Department Of Physics Tokyo Metroporitan University

• Hayashida Kiyoshi

  Department Of Earth And Space Science Faculty Of Science Osaka University

• Ishikawa Masaki

  Jaxa Ibaraki

• Okada Shunsaku

  Department Of High Energy Astrophysics Institute Of Space And Astronautical Science (isas) Japan Aer

• Hamaguchi Kenji

  Department Of Physics Faculty Of Science Kyoto University

• Tawara Y

  Department Of Physics School Of Science The University Of Tokyo

• Hayashi Katsuhiro

  Department Of Physical Science Hiroshima University

• Nakamura Ryoko

  Institute Of Space And Astronautical Science / Jaxa

• Okada Shunsaku

  Department Of High Energy Astrophysics Institute Of Space And Astronautical Science Japan Aerospace

• Kodaira Hironobu

  Department Of Physics Kanazawa University

• HAMAGUCHI Kenji

  Code 662, NSAS, GSFC

• TERADA Yukikatsu

  RIKEN

• MUKAI Koji

  Code 662, NSAS, GSFC

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