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A Large-Scale Survey of the Southern Milky Way

Research Project

Project/Area Number 07044063
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionThe University of Tokyo

Principal Investigator

HASEGAWA Tetsuo  Faculty of Science, The University of Tokyo, Associate Professor, 大学院・理学系研究科, 助教授 (50134630)

Co-Investigator(Kenkyū-buntansha) DAME Thomas M  Harvard-Smithsonian Center for Astrophysics, Professor, スミソニアン天体物理学研究所, 教授
BRONFMAN Leonardo  Department of Astronomy, The University of Chile, Director, 理学部, 教授
SHAVER Peter  European Southern Observatory, Professor, 教授
NYMAN Ake L  SESTサブミリ波望遠鏡, 主任研究員
BOOTH Roy S  Onsala Space Observatory, Director, 台長
MORINO Jun-ichi  Faculty of Science, The University of Tokyo, JSPS Research Fellow, 大学院・理学系研究科, 日本学術振興会特別研
HAYASHI Masahiko  SUBARU Project Office, National Astronomical Observatory of Japan, Associate Pro, 光学赤外線天文学研究系, 助教授 (10183914)
HANDA Toshihiro  Faculty of Science, The University of Tokyo, Assistant Professor, 大学院・理学系研究科, 助手 (40202270)
SOFUE Yoshiaki  Faculty of Science, The University of Tokyo, Professor, 大学院・理学系研究科, 教授 (10022667)
NYMAN Lars-Ake  Swedish-ESO Submillimeter Telescope, Site Scientist
NYMAN Ake L.  SEST サブミリ波望遠鏡, 主任研究員
BOOTH Roy S  オンサラ天文台, 台長
岡 朋治  東京大学, 大学院・理学系研究科, 日本学術振興会特別研
阪本 成一  国立天文台, 電波天文学研究系, 研究員
Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥11,400,000 (Direct Cost: ¥11,400,000)
Fiscal Year 1996: ¥5,700,000 (Direct Cost: ¥5,700,000)
Fiscal Year 1995: ¥5,700,000 (Direct Cost: ¥5,700,000)
Keywordsinterstellar matter / star formation / Milky Way galaxy / Magellanic Clouds / millimeter wave / submillimeter wave / 電波天文学 / 天の川銀河 / 星間分子 / ミリ波分光
Research Abstract

In the course of this research, we have finished the setup, tuning, and calibration of the Tokyo-Onsala-ESO-Calan 60cm Survey Telescope, and performed observations of the 4-th quadrant of the Milky Way Galaxy (the Galaxy) and the Large Magellanic Cloud (LMC). These observations revealed an unexpected ways in which physical conditions of molecular gas in the Galaxy and LMC vary.
1) Instrumentation
The installation of the telescope, the reciever system, and the computer system had been done and the first light had been recieved before 1995 March. We made further adjustment of the telescope system and made a thorough calibration of its performance. We recieved great helps from engineers from OSO and ESO.
2) Observations of the Milky Way
We made the pilot survey that samples the Galactic plane from -90 to +20 degrees in Galactic longitude with 1 degree spacing. This is the first survey in the CO J=2-1 line (1.3mm in wavelength) that can be compared accurately with the existing CO J=1-0 line survey at 2.6mm. From the comparison, we found that the gas condition characterized by the CO J=2-1/J=1-0 line intensity ratio varies in a way different from what we see in the northern Milky Way. The difference arises from the bi-symmetrical pattern of the physical condition of the gas most probably related to the spiral arms.
3) Observations of the Large Magellanic Cloud
We observed 28 positions selected based on the CO J=1-0 data. The resultant CO J=2-1/J=1-0 ratio varies systematically with the distance from the kinetic center of the LMC.This unexpected tendency may suggest that the gas condition is governed by some large-scale mechanism even in dwarf galaxies such as LMC with irregular appearances.

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (75 results)

All Other

All Publications (75 results)

  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,T.Handa,T.Oka: "An Out-of-Plane CO(J=2-1) Survey of the Milky Way I.The Data" Astrophys.J.450. 125-131 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka,T.Hasegawa,T.Handa,M.Hayashi,S.Sakamoto: "CO(J=2-1) Line Observations of the Galactic Center Molecular Cloud Complex.I.On-Plane Structure" Astrophys.J.460. 334-342 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,T.Handa,T.Oka: "An Out-of-Plane CO(J=2-1) Survery of the Milky Way II.Physical Conditions of Molecular Gas" Astrophys.J.(投稿済).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka,T.Hasegawa,T.Handa,M.Hayashi,S.Sakamoto: "CO(J=2-1) Line Observations of the Galactic Center Molecular Cloud Complex. II.Dynamical Structure and Physical Conditions" Astrophys.J.(投稿済).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Handa,T.Hasegawa,S.Sakamoto,T.Oka,M.Seta,K.Sato,K.Sorai,H.Shinnaga,J.I.Morino,M.Hayashi,L.Nyman,R.Booth,P.Shaver,L.Bronfman: "The Twin 60cm CO(J=2-1) Survey Telescopes" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] M.Rubio,J.Lequeux,F.Boulanger,R.S.Booth,G.Garay,T.H.de Graauw, F.P.Israel,L.E.B.Johansson,M.L.Kutner,l.-A.Nyman: "Results of the ESO-SEST Key Programme:CO in the Magellanic Clouds V.Further CO Observations of the Small Magellanic Cloud" Astron.& Astrophys.Suppl.118. 263-275 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] M.Inoue,S.Kameya,R.Kawabe,M.Inoue,Hasegawa,M.Tanaka: "Millimeter-wave CO and Near Infrared H_2 Emission at the Center of cD/Seyfert Galaxy NGC 1275" Astron.J.111. 1852-1860 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,J.-I.Morino,K.Sato: "An Extensive High-resolution ^<12>CO Imaging of L1641 in Orion" Astrophys.J.(印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka,T.Hasegawa,F.Sato,M.Tsuboi,A.Miyazaki,H.Yamasaki: "Molecular Cloud Interacting with the Nonthermal Filaments of the Galactic Center Radio Arc" Astrophys.J.(投稿予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Handa,S.M.Miayam,T.Yamashita,T.Omodaka,Y.Kitamura,M.Hayashi,T.Onishi,R.L.Snell,S.E.Strom,K.M.Strom,M.F.Skrutskie,S.Edwards,N.Ohashi,K.Sunada,M.Satito,Y.Fukui,A.Mizuno,J.Watanabe,H.Kataza: "A Protoplanetary Gas Disk Search around T Tau Stars-Detection of the CO Emission around DM Tauri" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Handa,T.Hasegawa,J.I.Morino,T.Oka,K.Sato,K.Sorai,M.Seta,M.Hayashi,S.Sakamoto: "ASTROS-A Telescope Control System for a Small Radio Telescope" J.Korean Astron.Soc.(印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto,T.Hana,Y.Sofue,M.Honma,K.Sorai: "An Isotope Study of Carbon Monoxide in the Edge-on Galaxy NGC 891" Astrophys.J.475. 134-143 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Hasegawa: "The CO 2-1/1-0 Ratio" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka,T.Hasegawa,T.Handa,F.Sato,M.Tsuboi: "CO Mapping of Inner a Few Hundred Parsecs of the Galaxy" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,T.handa,T.Oka,K.Sorai: "Physical Conditions of Molecular Gas in the Galaxy" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto,T.Hasegawa,J.Morino,K.Sato,M.Seta,M.Hayashi,T.Handa,T.Oka: "Structure and Physical Conditions of Molecular Gas in the Orion GMCs" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Sato,T.Hasegawa,T.Handa,S.Sakamoto,T.Oka,M.Seta,K.Sorai,J.Morino,O.Kimura,H.Shinnaga,M.Hayashi: "Observations of the Perseus Arm in CO(J=2-1) Line" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] H.Shinnaga.T.Hasegawa,T.Oka,T.Handa,S.Sakamoto,M.Seta,K.Sato,J.Morino,M.Hayashi,F.Sato: "CO(J=2-1) Mapping of Cygnus X Region with the 60-cm Telescope" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Sorai,S.Sakamoto,T.Hasegaa,T>Handa,M.Hayashi,T.Oka,M.Seta,K.Sato,H.Shinnaga,J.Morino: "A ^<12>CO(J=2-1) Survey of the First Quadrant of the Galaxy" 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] H.Shinnaga,T.Hasegawa,T.Oka,T.Handa,S.Sakamoto,M.Seta,K.Sato,K.Sorai,J.Morino,M.Hayashi,F.Sato: "CO(J=2-1) Observations of the Second Galactic Quadrant" 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto,T.Hasegawa,J.Morino,M.Seta,K.Sato,M.Hayashi: "An Extensive High-resolution ^<12>CO(J=2-1) Imaging of the Orion A Giant Molecular Cloud" 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Sato,T.Hasegawa,T.Handa,S.Sakamoto,T.Oka,M.Seta,K.Sorai,J.Morino,O.Kimura,H.Shinnaga,M.Hayashi: 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka,T.Hasegawa,F.Sato,M.Tsuboi,A.Miyazaki,H.Yamazaki,K.Sunada: "A Large-scale CO Imaging of the Galactic Center" IAU Symp.179,New Horizone from Multi-Wavelength Sky. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Hasegawa,J.-I.Morino,K.Sorai,T.Handa,K.Sato,T.Oka,M.Seta,S.Sakamoto,M.Hayashi,R.Booth,L.Bronfman,M.Rubio,L.-A.Nyman,P.Shaver: "The CO 2-1/1-0 Ratio in the Southern Milky Way and the Large Magellanic Cloud" Diffuse Infrared Radiation and the IRTS. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Nakano,T.Hasegawa,C.Norman: "The Mass of a Star Forming in a Cloud Core:Theory and its Application to the Orion A Cloud" Astrophys.J.450. 183-195 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hasegawa, M.Hayashi, T.Handa, T.Oka: "An Out-of-Plane CO (J=2-1) Survey of the Milky Way I.The Data" Astrophys.J.450. 125-131 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka, T.Hasegawa, T.Handa, M.Hayashi, S.Sakamoto: "CO (J=2-1) Line Observations of the Galactic Center Molecular Cloud Complex. I.On-Plane Structure" Astrophys.J.460. 334-342 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hasegawa, M.Hayashi, T.Handa, T.Oka: "An Out-of-Plane CO (J=2-1) Survey of the Milky Way II.Physical Conditions of Molecular Gas" Astrophys.J.(submitted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka, T.Hasegawa, T.Handa, M.Hayashi, S.Sakamoto: "CO (J=2-1) Line Observations of the Galactic Center Molecular Cloud Complex. II.Dynamical Structure and Physical Conditions" Astrophys.J.(submitted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Handa, T.Hasegawa, S.Sakamoto, T.Oka, M.Seta, K.Sato, K.Sorai, H.Shinnaga, J.I.Morino, M.Hayashi, L.Nyman, R.Booth, P.Shaver, L.Bronfman: "The Twin 60cm CO (J=2-1) Survey Telescopes" IAU Symp.170, Co : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] M.Rubio, J.Lequeux, F.Boulanger, R.S.Booth, G.Garay, T.H.de Graauw, F.P.Israel, L.E.B.Johansson, M.L.Kutner, L.-A.Nyman: "Results of the ESO-SEST Key Program : CO in the Magellanic Clouds. V.Further CO Observations of the Small Magellanic Cloud" Astron.& Astrophys.Suppl.118. 263-275 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] M.Inoue, S.Kameya, R.Kawabe, M.Inoue, T.Hasegawa, M.Tanaka: "Millimeter-wave CO and Near Infrared H_2 Emission at the Center of cD/Seyfert Galaxy NGC 1275" Astron.J.111. 1852-1860 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hasegawa, M.Hayashi, J.-I.Morino, K.Sato: "An Extensive High-resolution ^<12>CO Imaging of L1641 in Orion" Astrophys.J.(in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka, T.Hasegawa, F.Sato, M.Tsuboi, A.Miyazaki, H.Yamasaki: "Molecular Cloud Interacting with the Nonthermal Filaments of the Galactic Center Radio Arc" Astrophys.J.(to be submitted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Handa, S.M.Miayam, T.Yamashita, T.Omodaka, Y.Kitamura, M.Hayashi, T.Onishi, R.L.Snell, S.E.Strom, K.M.Strom, M.E.Skrutskie, S.Edwards, N.Ohashi, K.Sunada, M.Satito, Y.Fukui<A.Mizuno, J.Watanabe, H.Kataza: "A Protoplanetary Gas Disk Search around T Tau Stars-Detection of the CO Emission around DM Tauri" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Handa, T.Hasegawa, J.I.Morino, T.Oka, K.Sato, K.Sorai, M.Seta, M.Hayashi, S.Sakamoto: "ASTROS - A Telescope Control System for a Small Radio Telescope" J.Korean Astron.Soc.(in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hana, Y.Sofue, M.Honma, K.Sorai: "An Isotope Study of Carbon Monoxide in the Edge-on Galaxy NGC 891" Astrophys.J.475. 134-143 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Hasegawa: "The CO 2-1/1-0 Ratio" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka, T.Hasegawa, T.Handa, F.Sato, M.Tsuboi: "CO Mapping of Inner a Few Hundred Parsecs of the Galaxy" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hasegawa, M.Hayashi, T.Handa, T.Oka, K.Sorai: "Physical Conditions of Molecular Gas in the Galaxy" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hasegawa, J.Morino, K.Sato, M.Seta, M.Hayashi, T.Handa, T.Oka: "Structure and Physical Conditions of Molecular Gas in the Orion GMCs" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Sato, T.Hasegawa, T.Handa, S.Sakamoto, T.Oka, M.Seta, K.Sorai J.Morino, O.Kimura, H.Shinnaga, M.Hayashi: "Observations of the Perseus Arm in CO (J=2-1) Line" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] H.Shinnaga, T.Hasegawa, T.Oka, T.Handa, S.Sakamoto, M.Seta, K.Sato, J.Morino, M.Hayashi, F.Sato: "CO (J=2-1) Mapping of Cygnus X Region with the 60-cm Telescope" IAU Symp.170, CO : Twinty-five years of Millimeter-wave Spectroscopy. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Sorai, S.Sakamoto, T.Hasegawa, T.Handa, M.Hayashi, T.Oka, M.Seta, K.Sato, H.Shinnaga, J.Morino: "A ^<12>CO (J=2-1) Survey of the First Quadrant of the Galaxy" 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] H.Sinnaga, T.Hasegawa, T.Oka, T.Handa, S.Sakamoto, M.Seta, K.Sato, K.Sorai, J.Morino, M.Hayashi, F.Sato: "CO (J=2-1) Observations of the Second Galactic Quadrant" 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Sakamoto, T.Hasegawa, J.Morino, M.Seta, K.Sato, M.Hayashi: "An Extensive High-resolution ^<12>CO (J=2-1) Imaging of the Orion A Giant Molecular Cloud" 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] K.Sato, T.Hasegawa, T.Handa, S.Sakamoto, T.Oka, M.Seta, K.Sorai, J.Morino, O.Kimura, H.Shinnaga, M.Hayashi: 3rd East-Asian Meeting on Astronomy "Ground-Based Astronomy in Asia". (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka, T.Hasegawa, F.Sato, M.Tsuboi, A.Miyazaki, H.Yamazaki, K.Sunada: "A Large-scale CO Imaging of the Galactic Center" IAU Symp.179, New Horizons from Multi-Wavelength Sky. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Hasegawa, J.-I.Morino, K.Sorai, T.Handa, K.Sato, T.Oka, M.Seta, S.Sakamoto, M.Hayashi, R.Booth, L.Bronfman, M.Rubio, L.-A.Nyman, P.Shaver: "The CO 2-1/1-0 Ratio in the Southern Milky Way and the Large Magellanic Cloud" Diffuse Infrared Radiation and the IRTS. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Nakano, T.Hasegawa, C.Norman: "The Mass of a Star Forming in a Cloud Core : Theory and its Application to the Orion A Cloud" Astrophys.J.450. 183-195 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Oka,T.Hasegawa,T.Handa,M.Hayashi,S.Sakamoto: "CO(J=2-1)Line Observations of the Galactic Center Molecular Cloud Complex.I.On-Plane Structure" Astrophys.J.460. 334-342 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,T.Handa,T.Oka: "An Out-of-Plane CO (J=2-1) Survey of the Milky Way II.Physical Conditions of Molecular Gas" Astrophys.J.(投稿済).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Oka,T.Hasegawa,T.Handa,M.Hayashi,S.Sakamoto: "CO (J=2-1) Line Observations of the Galactic Center Molecular Cloud Complex.II.Dynamical Structure and Physical Conditions" Astrophys.J.(投稿済).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Handa,T.Hasegawa,J.I.Morino、T.Oka,K.Sato,K.Sorai,M.Seta,M.Hayashi,S.Sakamoto: "ASTROS-A Telescope Control System for a Small Radio Telescope" J.Korean Astron.Soc.(印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] P.A.Shaver: "Science with Large Millimeter Arrays.A Summery of the ESO-IRAM-NFRA-Onsala workshop" The Messenger. 83. 22-25 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] M.Rubio,J.Lequeux,F.Boulanger,R.S.Booth,G.Garay,TH.de Graauw,EP.Israel,L.E.B.Johansson,M.L.Kutner,L.-A.Nyman: "Results of the ESO-SEST Key Programmer : CO in the Magellanic Clouds.V.Further CO Observations of the Small Magellanic Cloud" Astron.& Astrophys.Suppl.118. 263-275 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] M.Inoue,S.Kameya,R.Kawabe,M.Inoue,T.Hasegawa,M.Tanaka: "Millimeter-wave CO and Near Infrared H_2 Emission at the Center of cD/Seyfert Galaxy NGC 1275" Astron.J.111. 1852-1860 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,J.-I.Morino,K.Sato: "An Extensive High-resolution ^<12+>CO Imaging of L1641 in Orion" Astrophys.J.(印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Oka,T.Hasegawa,F.Sato,M.Tsuboi,A.Miyazaki,H.Yamasaki: "Molecular Cloud Interacting with the Nonthermal Filaments of the Galactic Center Radio Arc" Astrophys.J.(投稿予定).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Handa,S.M.Miayam,T.Yamashita,T.Omodaka,Y.Kitamura,M.Hayashi,T.Onishi,R.L.Snell,S.E.Strom,K.M.Strom,M.F.Skrutskie,S.Edwards,N.Ohashi,K.Sunada,M.Saito,Y.Fukui,A.Mizuno,J.Watanabe,H.Kataza: "A Protoplanetary Gas Disk Search around Tau Stars-Detection of the CO Emission around DM Tauri" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Handa,T.Hasegawa,S.Sakamoto,T.Oka,M.Seta,K.Saito,K.Sorai,H.Shinnaga,J.I.Morino,M.Hayashi,L.Nyman,R.Booth,P.Shaver,L.Bronfman: "The Twin 60cm CO (J=2-1) Survey Telescopes" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Sakamoto,T.Hana,Y.Sofue,M.Honma,K.Sorai: "An Isotope Study of Carbon Monoxide in the Edge-on Galaxy NGC 891" Astrophys.J.475. 134-143 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Hasegawa: "The CO 2-1/1-0 Ratio" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Oka,T.Hasegawa,T.Handa,F.Sato,M.Tsuboi: "CO Mapping of Inner a Few Hundred Parsecs of the Galaxy" IAU Symp.170,CO:Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,T.Handa,T.Oka,K.Sorai: "Physical Conditions of Molecular Gas in the Galaxy" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Sakamoto,T.Hasegawa,J.Morino,K.Sato,M.Seta,M.Hayashi,T.Handa,T.Oka,K.Sorai: "Structure and Physical Conditions of Molecular Gas in the Orion GMCs" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] K.Sato,T.Hasegawa,T.Handa,S.Sakamoto,T.Oka,M.Seta,K.Sorai,J.Morino,O.Kimura,H.Shinnaga,M.Hayashi: "Observations of the Perseus Arm in CO (J=2-1) Line" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] H.Shinnaga,T.Hasegawa,T.Oka,T.Handa,S.Sakamoto,M.Seta,K.Sato,J.Morino,M.Hayashi,F.Sato: "CO(J=2-1)Mapping of Cygnus X Region with the 60-cm Telescope" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy.

    • Related Report
      1996 Annual Research Report
  • [Publications] H.Shinnaga,T.Hasegawa,T.Oka,T.Handa,S.Sakamoto,M.Seta,K.Sato,J.Morino,M.Hayashi,F.Sato: "CO(J=2-1)Mapping of Cygnus X Region with the 60-cm Telescope" IAU Symp.170,CO : Twinty-five years of Millimeter-wave Spectroscopy. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] T.Hasegawa: "THE CO 2-1/1-0 RATIO "CO : Twenty-five Year of Millimeter-wave Spectroscopy"" Proc.IAU Symp.170,. (印刷中).

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Nakano,T.Hasegawa,and C.Norman: "THE MASS OF A STAR FORMING IN A CLOUD CORE : THEORY AND ITS APPLICATION TO THE ORION A CLOUD" Astrophys.J.450. 183-195 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] S.Sakamoto,T.Hasegawa,M.Hayashi,T.Handa,and T.Oka: "AN OUT-OF-PLANE CO (J=2-1) SURVEY OF THE MILKY WAY.I.THE DATA" Astrophys.J.Suppl.100. 125-131 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Oka,T.Hasegawa,T.Handa,M.Hayashi,and S.Sakamoto: "CO (J=2-1) LINE OBSERVATIONS OF THE GALACTIC CENTER MOLECULAR CLOUD COMPLEX.I.ON-PLANE STRUCTURE′" Astrophys.J.(印刷中).

    • Related Report
      1995 Annual Research Report
  • [Publications] Tomoharu Oka,Tetsuo Hasegawa,Toshihiro Handa,Fumio Sato,Masato Tsuboi: "CO MAPPING OF INNER A FEW HUNDRED PARSECS OF THE GALAXY "CO : Twenty-five Year of Millimeter-wave Spectroscopy"" Proc.IAU Symp.170. (印刷中).

    • Related Report
      1995 Annual Research Report
  • [Publications] S.Sakamoto,T.Hasegawa, M.Hayashi,T.Handa,and T.Oka: "AN OUT-OF PLANE CO (J=2-1) SURVEY OF THE MILKY WAY.II.PHYSICAL CONDITIONS OF MOLECULAR GAS" Astrophys.J.(印刷中).

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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