Spectral Evolution of an Ultraluminous Compact X-Ray Source in NGC 253(Poster)

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概要

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• We report an observational result for a ULX in NGC253. We find that the spectral evolution is well consistent with the standard behavior. That is, the source satisfies the relation L_<disk> ∝ T_<in>^4 as established for black hole binaries. By comparing with black hole binaries, we estimate black hole mass of this ULX as 7M_<⊙>.

• 理論物理学刊行会の論文
• 2004-11-15

著者

• Makishima Kazuo

  Department Of Physics School Of Science The University Of Tokyo

• Kubota Aya

  Institute Of Physical And Chemical Research

• Sugiho Masahiko

  Department Of Physics The University Of Tokyo

• Tanaka Takaaki

  Institute Of Space And Astronautical Science Japan Aerospace Exploration Agency

• Takahashi Tadayuki

  Institute Of Space And Astronautical Science Japan Aerospace Exploration Agency

• MAKISHIMA Kazuo

  Department of Physics, The University of Tokyo

• TAKAHASHI Tadayuki

  Institute of Space and Astronautical Science (ISAS), JAXA:Department of Physics, The University of Tokyo

• TAKAHASHI Tadayuki

  Institute of Space and Astronautical Science:Department of Physics, The University of Tokyo

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