Welcome to MURAKAMI Toshio's home page.
よくいらっしゃいました。

"X-ray identification of Soft Gamma-ray Repeater (SGR). A burst from SGR 1806-20 is identified to an X-ray source AX1805.7-2025 which is superimposed on the VLA radio map of the SNR G10.0-0.3: Courtesy of D. A. Frail at VLA: Murakami et al., Nature 368, 127, 1994"

- Download site -

  • 村上が東大研究会で話したpptファイルです"
  • 村上が筑波研究会で話したpptファイルです"
  • 金沢大学３年学生実験（放射線）のテキスト：Manual of Experiment for Students"
  • Yoshida's paper ps-file ApJL 557 L27 2001"
  • Yonetoku's paper ps-file ApJL 557 L23 2001"
  • 金沢最初の論文です。Early universe with GRBs の pdf fileです"
  • わたしの B1面 （工事中）
  • わたしの B2面 （工事中）

    -My publications since 1992-

    - GRBs / SGRs and etc. -

  • Low Iron Upper Limits in X-ray Afterglow of Two Gamma-Ray Bursts with ASCA : 2000, PASJ submitted"
  • Deep searches for pulsations in SGR 1627-41 and 0526-66 with ASCA : 2000, AIP xxx XXXX"
  • What did ASCA see in the GRB 970828 afyerglow? 1999, A & A Supplement 138, 433-434"
  • ASCA X-ray observations of Gamma-Casiopeiae : 1998, PASJ 50 417-426"
  • Observation of Soft Gamma-Ray Repeaters: 1806-20 and 0526-66____Full PS-file: AIP vol.384, 961 1996"
  • X-ray counterpart searches of Gamma-Ray Bursts with ASCA, 1996, Proc. of the ASCA96 Sympo. Tokyo"
  • "ASCA observations of two SGRs; SGR 1806-20 and SGR 0526-66, Astrophys & Space Sci., 231, 57-63, 1995"
  • "X-ray identification of the soft gamma-ray repeater 1806-20: Nature 368, p127-129, 1994"
  • "Characteristics of the persistent emission of SGR 1806-20: Ap.J Letter, 436, L23-25, 1994 " GIS spectrum of AX1805.7-2025 (SGR 1806-20) ps-file:
  • Report on ASCA X-ray counterpart searches of Gamma-Ray Bursts in Japanese"
  • "Abstract: "ASCA Observation of a Possible X-Ray Counterpart of the 1992 May 1 Gamma-Ray Burst" Color image of figure 1, GIF file
  • "ASCA Observation of the 1993 January 31 Gamma-Ray Burst"

    - Magnetar Pulsars -

     "Discovery of an X-ray pulsar from SGR 1900+14 with a period of 5.16 s : Hurley, K and Murakami, T. et al., ApJ 510, L111-114 and L119-122, 1999. X-ray image of SGR 1900+14 and the FFT result"
  • "An X-ray pulsar with a superstrong magnetic field in the soft gamma-ray repeater SGR 1806-20: Nature 393, 235, 1998 "
  • ASCA discovery of an X-ray pulsar in the error box of SGR 1900+14: Ap.J Letter, 510, L111-114, 1999 "
  • Accurate Position of SGR 1900+14 by Burst and Changes in Pulse Period......: Ap.J Letter, 510, L119-122, 1999 "
  • ASCA observation of the Quiescent X-ray counterpart to SGR 1627-41: Ap.J Letter, 528, L21-23, 2000 "

    - Developments -

  • Thick and large area PIN diodes for hard X-ray astronomy : 1999, NIM-A 436, 291-296"

    -Projects-

    ASTRO-E HXD

    Astro-E was launched on February 10, 2000 from KSC. Unfortunately there was a problem in the 1st stage rocket and Astro-E was not in orbit.

    ASTRO-E II is now approved and will be launched in 2005.

    ,

  • ASTRO-E mission(ISAS)
  • ASTRO-E mission(LHEA)
  • HXD(Hard X-ray Detector by Kaneda et al.)
  • HXD EM(Engineering Model) picture

    -Hyperlinks-

  • ISAS

  • Useful Sites

    Name	: Murakami Toshio
Status	: P
Group	: Astrophysics
Mail	: murakami@astro.s.kanazawa-u.ac.jp
Address	: Rm.425 Kakuma-cho, Kanazawa, Ishikawa 920-1192
Tel	: 076-264-5658
Fax	: 076-264-5739
        : Last modified 2002 Feb.
    This page is maintained by Murakami Toshio. murakami@astro.s.kanazawa-u.ac.jp