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Understanding of massive star formation based on wide-area mappin gsurvey of dense molecular gas toward galaxies in the local group

Research Project

Project/Area Number 22540249
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Astronomy
Research InstitutionJoetsu University of Education

Principal Investigator

TOSAKI Tomoka  上越教育大学, 大学院・学校教育研究科, 准教授 (40356126)

Co-Investigator(Kenkyū-buntansha) SAKAI Takeshi  東京大学, 大学院・理学系研究科, 助教 (20469604)
MURAOKA Kazuyuki  大阪府立大学, 大学院・理学系研究科, 助教 (40571287)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywords星形成 / 星間物質 / サブミリ波 / 超伝導受信機 / 局所銀河群
Research Abstract

We improved the 345 GHz receiver for ASTE 10m telescope, CATS345, using Orthomode transducer. We successfully obtained the wide area map of CO(3-2) in the spiral galaxy M33 in the local group. We find that most GMCs in M33 are associated with star formation activity. The lifetimes of GMCs were found to be 20-40 Myr.

Report

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

    (26 results)

All 2013 2012 2011 2010 Other

All Journal Article (16 results) (of which Peer Reviewed: 12 results) Presentation (6 results) Remarks (4 results)

  • [Journal Article]2012

    • Author(s)
      Miura, R.E., Kohno, K., Tosaki, T.他13名
    • Journal Title

      The Astrophysical Journal

      Volume: 761巻 Pages: 23-23

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] NRO M 33 All-Disk Survey of Giant Molecular Clouds (NRO MAGiC).2012

    • Author(s)
      Onodera, S., Kuno, N., Tosaki, T.他9名
    • Journal Title

      II Dense Gas Formation, Publication of the Astronomical Society of Japan

      Volume: 64巻

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] 13CO(J =1-0) On-the-Fly Mapping of the Giant H II Region NGC 6042012

    • Author(s)
      Muraoka, K. Tosaki, T.他6名
    • Journal Title

      Publication of the Astronomical Society of Japan

      Volume: 64巻

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] NRO M 33 All-Disk Survey of Giant Molecular Clouds (NRO MAGiC). II Dense Gas Formation2012

    • Author(s)
      Onodera, S., Kuno, N., Tosaki, T. 他9名
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 64 Pages: 133-133

    • NAID

      10031146607

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Giant Molecular Cloud Evolutions in the Nearby Spiral Galaxy M332012

    • Author(s)
      Miura, R, E., Kohno, K., Tosaki, T., Espada, D., Hwang, N., Kuno, N., Okumura, S. K., Hirota, A., Muraoka, K., Onodera, S., et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 761 Issue: 1 Pages: 37-37

    • DOI

      10.1088/0004-637x/761/1/37

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ^<13>CO(J=1-0)On-the-Fly Mapping of the Giant H II Region NGC 604 : Variation in Molecular Gas Density and Temperature due to Sequential Star Formation2012

    • Author(s)
      Muraoka, K.Tosaki, T., 他6名
    • Journal Title

      Publication of the Astronomical Society of Japan

      Volume: 64 Pages: 31-39

    • NAID

      10030385844

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] NRO M33 All Disk Survey of Giant Molecular Clouds (NRO MAGiC)2011

    • Author(s)
      Tosaki, T.,他12名
    • Journal Title

      I. HI to H2 Transition, Publication of the Astronomical Society of Japan

      Volume: 63巻 Pages: 1171-1179

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Temperature Variations of the Cold Dust in the Triangulum Galaxy M332011

    • Author(s)
      Komugi, S., Tosaki, T.,他20名
    • Journal Title

      Publication of the Astronomical Society of Japan

      Volume: 63巻 Pages: 1139-1150

    • NAID

      10029861364

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Temperature Variations of the Cold Dust in the Triangulum Galaxy M332011

    • Author(s)
      Komugi, S., Tosaki, T., 他20名
    • Journal Title

      Publication of the Astronomical Society of Japan

      Volume: 63 Pages: 1139-1150

    • NAID

      10029861364

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] NRO M33 All Disk Survey of Giant Molecular Clouds (NRO MAGiC) : I. HI to H_2 Transition2011

    • Author(s)
      Tosaki, T., 他12名
    • Journal Title

      Publication of the Astronomical Society of Japan

      Volume: 63 Pages: 1171-1179

    • NAID

      10030385212

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Breakdown of Kennicutt-Schmidt Law at Giant Molecular Cloud Scales in M332010

    • Author(s)
      Onodera, S.,Kuno, N., Tosaki, T.,他9名
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 722巻 Pages: 127-131

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] NRO LegacyProject : Survey of Giant Molecular Cloudsin M332010

    • Author(s)
      Kuno, N., Tosaki, T.他11名
    • Journal Title

      Highlights of Astronomy

      Volume: 15巻 Pages: 416-416

    • Related Report
      2012 Final Research Report
  • [Journal Article] Aperture Synthesis Observations of CO, HCN, and 89 GHz Continuum Emission Toward NGC 604 in M332010

    • Author(s)
      Miura, R., Okumura, S.K. Tosaki, T.他7名
    • Journal Title

      Sequential Star Formation Induced by a Supergiant HII Region,The Astrophysical Journal

      Volume: 724 Pages: 1120-1132

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Aperture Synthesis Observations of CO, HCN, and 89 GHz Continuum Emission Toward NGC 604 in M33 : Sequential Star Formation Induced by a Supergiant H II Region2010

    • Author(s)
      Miura, R., Okumura, S.K.Tosaki, T., 他7名
    • Journal Title

      The Astrophysical Journal

      Volume: 724 Pages: 1120-1132

    • Related Report
      2010 Annual Research Report
  • [Journal Article] NRO Legacy Project : Survey of Giant Molecular Clouds in M332010

    • Author(s)
      Kuno, N., Tosaki, T., 他11名
    • Journal Title

      Highlights of Astronomy

      Volume: 15 Pages: 416-416

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Breakdown of Kennicutt-Schmidt Law at Giant Molecular Cloud Scales in M332010

    • Author(s)
      Onodera, S., Kuno, N., Tosaki, T., 他9名
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 722 Pages: 127-131

    • Related Report
      2010 Annual Research Report
  • [Presentation] NRO M33 All Disk Survey ofGiant Molecular Clouds (MAGiC)2013

    • Author(s)
      濤崎智佳
    • Organizer
      日本文学会春季年会
    • Place of Presentation
      埼玉大学
    • Related Report
      2012 Final Research Report
  • [Presentation] NRO M33 All Disk Survey of Giant Molecular Clouds (MAGiC)2013

    • Author(s)
      濤﨑智佳
    • Organizer
      日本天文学会春季年会
    • Place of Presentation
      埼玉大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] Molecular Gas and Star formation in Giant HII regions of M33, New Trends in Radio Astronomy in theALMA Era2012

    • Author(s)
      Tosaki, T
    • Organizer
      The 30th Anniversary ofNobeyama Radio Observatory
    • Place of Presentation
      Hakone, Japan
    • Related Report
      2012 Final Research Report
  • [Presentation] Molecular Gas and Star formation in Giant HII regions of M332012

    • Author(s)
      Tosaki, T.
    • Organizer
      New Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory
    • Place of Presentation
      ザ・プリンス箱根(神奈川県箱根町)
    • Related Report
      2012 Annual Research Report
  • [Presentation] NRO legacy project : M33 all disk survey of Giant Molecular Clouds (GMCs) with NRO-45m and ASTE-10mtelescopes2010

    • Author(s)
      Tosaki, T
    • Organizer
      The 5th Zermatt ISM Symposium "Conditions and impact of star formation : New results with Herschel and beyond"
    • Place of Presentation
      Zermatt, Switzerland
    • Year and Date
      2010-09-21
    • Related Report
      2012 Final Research Report
  • [Presentation] NRO legacy project : M33 all disk survey of Giant Molecular Clouds (GMCs) with NRO-45m and ASTE-10m telescopes2010

    • Author(s)
      濤崎智佳
    • Organizer
      The 5th Zermatt ISM Symposium "Conditions and impact of star formation : □□New results with Herschel and beyond"
    • Place of Presentation
      Zermatt, Switzerland
    • Year and Date
      2010-09-21
    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://www.juen.ac.jp/lab/tosaki/m33data/

    • Related Report
      2012 Final Research Report
  • [Remarks]

    • URL

      http://www.juen.ac.jp/lab/tosaki/m33/

    • Related Report
      2012 Final Research Report
  • [Remarks] NRO M33 All Disk Survey of Giant Molecular Clouds

    • URL

      http://www.juen.ac.jp/lab/tosaki/m33data/

    • Related Report
      2012 Annual Research Report
  • [Remarks]

    • URL

      http://www.juen.ac.jp/lab/tosaki/m33/index.html

    • Related Report
      2011 Annual Research Report

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

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