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Development of Observation System for Discovering Millisecond Radio Transients and Unveiling the Origins

Research Project

Project/Area Number 24654049
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Astronomy
Research InstitutionWaseda University

Principal Investigator

AOKI Takahiro  早稲田大学, 教育・総合科学学術院, 助手 (30624845)

Co-Investigator(Renkei-kenkyūsha) TANAKA Tai  早稲田大学, 先進理工学研究科, 学生
TSUDA Tomofumi  早稲田大学, 先進理工学研究科, 学生
NAKAO Ryota  早稲田大学, 教育学部, 学生
KUJIRAI Kenji  早稲田大学, 教育学部, 学生
DAISHIDO Tsuneaki  早稲田大学, 教育総合科学学術院, 教授 (10112989)
Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords突発現象 / 電波天文学 / 分光器 / Fast Radio Burst / FRB / GPU / 電波トランジェント / 突発天体 / 電波 / 信号処理 / 光度変動
Research Abstract

This research aimed to unveil the origins of astronomical transient phenomena in radio frequency band. In order to realize that, we developed observation system in our Nasu Radio Observatory and succeeded at discovering the profile of previously reported radio transients using the system. Moreover, we were able to narrow down the candidates for the radio transients. These results will promote radio observation of transient phenomena by the Square Kilometre Array and other facilities.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (8 results)

All 2014 2013 2012

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (4 results) (of which Invited: 1 results)

  • [Journal Article] Reliability of Radio Transients Detected in the Nasu Sky Survey2014

    • Author(s)
      Aoki, Takahiro; Tanaka, Tai; Niinuma, Kotaro; Takefuji, Kazuhiro; Kida, Sumiko, 他4名
    • Journal Title

      The Astrophysical Journal

      Volume: Volume 781、issue 1、id10 Issue: 1 Pages: 12-12

    • DOI

      10.1088/0004-637x/781/1/10

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Rapid Fringe Detection Technique for Discovering Radio Transients in Nasu Drift-scan Data2013

    • Author(s)
      T. Tanaka, T. Nakamizo, T. Aoki, 他5名
    • Journal Title

      Publications of the Astronomical Society of the Pacific

      Volume: Vol. 125 Issue: 927 Pages: 557-564

    • DOI

      10.1086/670767

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Method for Finding Variable Radio Sources in Drift-Scan Interferometric Data from the Nasu Observatory2012

    • Author(s)
      T. Tanaka, T. Nakamizo, T. Aoki, S. Kida, K. Asuma, A. Imai, N. Furukawa, R. Hiruma, N. Matsumura, .K. Takefuji. K. Niinuma, and T. Daishido
    • Journal Title

      Publications of the Astronomical Society of the Pacific

      Volume: Vol. 124 Issue: 916 Pages: 616-616

    • DOI

      10.1086/666592

    • Related Report
      2013 Final Research Report 2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Calculation of False-Detection Rate for Nasu Interferometric Sky Survey2012

    • Author(s)
      T. Aoki, T. Tanaka, K. Niinuma, K. Asuma, S. Kida, T. Nakamizo, N. Furukawa, J. Ikouga, K. Odai, Y. Yamada, R. Hiruma, T. Endo, K. Konishi, T. Tsuda, and T. Daishido
    • Journal Title

      Publications of the Astronomical Society of the Pacific

      Volume: Vol. 124 Issue: 914 Pages: 371-371

    • DOI

      10.1086/665596

    • NAID

      120004724623

    • Related Report
      2013 Final Research Report 2012 Research-status Report
    • Peer Reviewed
  • [Presentation] 長寿命電波バーストの観測可能性と,那須観測所における短寿命電波バーストの観測計画2014

    • Author(s)
      青木貴弘
    • Organizer
      宇宙線研究所共同利用研究会
    • Place of Presentation
      東京大学
    • Year and Date
      2014-03-11
    • Related Report
      2013 Final Research Report
  • [Presentation] 長寿命電波バーストの観測可能性と、那須観測所における短寿命電波バーストの観測計画2014

    • Author(s)
      青木貴弘
    • Organizer
      宇宙における粒子加速と電波帯域での突発現象
    • Place of Presentation
      東京大学
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] Dynamic Radio Sky Survey Using SKA2013

    • Author(s)
      T. Aoki, K. Sugisawa, N. Nomura, 他4名
    • Organizer
      SKA Science Workshop in East Asia 2013
    • Place of Presentation
      名古屋大学
    • Year and Date
      2013-06-05
    • Related Report
      2013 Final Research Report
  • [Presentation] 那須観測所における電波トランジェント発見速報システムの開発状況2012

    • Author(s)
      青木貴弘, 古川匠哉, 貴田寿美子, 他7名
    • Organizer
      日本天文学会
    • Place of Presentation
      大分大学
    • Year and Date
      2012-09-20
    • Related Report
      2013 Final Research Report 2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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