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Hard X-ray Polarization Measurements on Crab Nebula and Cygnus X-1

Research Project

Project/Area Number 22540245
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Astronomy
Research InstitutionThe University of Tokyo

Principal Investigator

KAMAE Tuneyoshi  東京大学, 大学院・理学系研究科, 名誉教授 (90011618)

Co-Investigator(Renkei-kenkyūsha) MAKISHIMA Kazuo  東京大学, 大学院・理学系研究科, 教授 (20126163)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords気球実験 / 軟ガンマ線偏光検出器 / かに星雲 / 白鳥座 / ブラックホール
Research Abstract

The aim of the research program has been to mount the hard X-ray polarimeter (PoGOLite) we produced with other funds onto a gondola in ESRANGE balloon station in Sweden, and to carry out one-week-long observations of Crab Nebula and Cygnus X-1 onboard a balloon. The polarimeter, control system, and gondola assembly have been built on funds and grants from Stanford Univ., Wallenberg Foundation, JSPS and Swedish Space Board. Two possible long-duration flight routes have been considered: the shorter one is one-week-long flight from Sweden to northern Canada and the longer one is three-week-long circumnavigation around the North Pole. The polarimeter is most sensitive between 20keV and 60keV and capable of detecting 3% polarization in the energy band for Crab Nebula and Cyg X-1 in the hard state. Successful detection of polarization in the targets in the energy range will unravel the emission mechanism and the orientation of the magnetic field at the hard X-ray sources. So far no high accuracy measurement has been made in the energy range. The funds will be used to support Japanese collaboration members to participate in the balloon flight and data analyses.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (12 results)

All 2013 2012 2010

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (10 results)

  • [Journal Article] The Polarized Gamma-Ray Observer, PoGOLite2010

    • Author(s)
      H. Takahashi
    • Journal Title

      Trans. JSASS Aerospace Tech. Japan, 8, Pm_1-Pm_5

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] The Polarized Gamma-Ray Observer, PoGOLite2010

    • Author(s)
      H.Takahashi, et al
    • Journal Title

      Trans.JSASS Aerospace Tech.Japan

      Volume: 8

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] 宇宙線X線検出器PoGOLite気球実験の地上校正試験2013

    • Author(s)
      河野貴文、高橋弘充、釜江常好他
    • Organizer
      日本物理学会第68回年次大会
    • Place of Presentation
      広島大学
    • Year and Date
      2013-03-28
    • Related Report
      2012 Final Research Report
  • [Presentation] 宇宙硬X線検出器PoGOLite気球実験の地上校正試験2013

    • Author(s)
      河野貴文、高橋弘充、釜江常好 他
    • Organizer
      日本物理学会第68回年次大会
    • Place of Presentation
      広島大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 硬X線偏光検出器PoGOLite気球実験の現状と今後2012

    • Author(s)
      高橋弘充、河野貴文、釜江常好他
    • Organizer
      宇宙科学シンポジウム
    • Place of Presentation
      宇宙航空研究開発機構宇宙科学研究所
    • Related Report
      2012 Final Research Report
  • [Presentation] 硬X線偏光検出器 PoGOLite 気球実験の現状と今後2012

    • Author(s)
      高橋弘充、河野貴文、釜江常好 他
    • Organizer
      宇宙科学シンポジウム
    • Place of Presentation
      宇宙航空研究開発機構宇宙科学研究所(神奈川県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] A Thermal-Neutron Detector with a Phoswich System of LiCaAlF6 and BGO Crystal Scintillators onboard PoGOLite2010

    • Author(s)
      H. Takahashi
    • Organizer
      IEEE Nuclear Science Symposium
    • Place of Presentation
      Tennessee・USA
    • Year and Date
      2010-11-01
    • Related Report
      2012 Final Research Report
  • [Presentation] A Thermal-Neutron Detector with a Phoswich System of LiCaAlF6 and BGO Crystal Scintillators onboard PoGOLite2010

    • Author(s)
      H.Takahashi
    • Organizer
      IEEE Nuclear Science Symposium
    • Place of Presentation
      テネシー(アメリカ)
    • Year and Date
      2010-11-01
    • Related Report
      2010 Annual Research Report
  • [Presentation] 硬X線、軟ガンマ線観測のバックグラウンドとなる中性子の検出2010

    • Author(s)
      高橋弘充
    • Organizer
      日本天文学会2010年秋季年会
    • Place of Presentation
      金沢大学
    • Year and Date
      2010-09-23
    • Related Report
      2012 Final Research Report
  • [Presentation] 硬X線、軟ガンマ線観測のバックグラウンドとなる中性子の検出2010

    • Author(s)
      高橋弘充
    • Organizer
      日本天文学会2010年秋季年会
    • Place of Presentation
      金沢大学(金沢市)
    • Year and Date
      2010-09-23
    • Related Report
      2010 Annual Research Report
  • [Presentation] PoGOLite気球実験のパスファインダーフライト(1):大気中性子モニター2010

    • Author(s)
      高橋弘充
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-12
    • Related Report
      2012 Final Research Report
  • [Presentation] PoGOLite気球実験のパスファインダーフライト(1):大気中性子モニター2010

    • Author(s)
      高橋弘充
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      九州工業大学(北九州市)
    • Year and Date
      2010-09-12
    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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