Sugiyama koichiro 杉山孝一郎

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SUGIYAMA Koichiro 杉山孝一郎

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Researcher Number	50624954
Other IDs
Affiliation (Current)	2025: 国立天文台, 水沢VLBI観測所, 特別客員研究員
Affiliation (based on the past Project Information) *help	2019 – 2021: 国立天文台, 水沢VLBI観測所, 特別客員研究員 2014: 茨城大学, 宇宙科学教育研究センター, 研究員
Review Section/Research Field	Principal Investigator Basic Section 16010:Astronomy-related Except Principal Investigator Astronomy
Keywords	Principal Investigator 位置天文学 / 周期的強度変動 / 降着バースト / 突発増光 / 周期光度関係 / 周期変動 / メーザー / 強度変動 / 大質量星形成 / 電波天文学 … More Except Principal Investigator … More 時間変動 / 大質量星形成 / VLBI / メタノールメーザー / 電波天文学 Less

Observational Establishment of the Period-Luminosity Relation in the Evolution of High-mass ProtostarsPrincipal Investigator
- Principal Investigator
  
  SUGIYAMA Koichiro
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 16010:Astronomy-related
- Research Institution
  National Astronomical Observatory of Japan
Study of the mechanism of massive-star formation by large-scale monitoring survey of methanol masers
- Principal Investigator
  
  YONEKURA YOSHINORI
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Astronomy
- Research Institution
  Ibaraki University

All 2022 2021 2020 2019 2014 2013 2012 Other

All Journal Article Presentation

[Journal Article] A Multitransition Methanol Maser Study of the Accretion Burst Source G358.93-0.03-MM12022
- Author(s)
  Bayandina O. S.、Brogan C. L.、Burns R. A.、Chen X.、Hunter T. R.、Kurtz S. E.、MacLeod G. C.、Sobolev A. M.、Sugiyama Koichiro (9番目)、Val’tts I. E.、Yonekura Y.
- Journal Title
  
  The Astronomical Journal
  
  Volume: 163 Issue: 2 Pages: 83-98
- DOI
  10.3847/1538-3881/ac42d2
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921, KAKENHI-PUBLICLY-21H00032, KAKENHI-PROJECT-23K20861
[Journal Article] VLBI Future Planning Working Group Review Report2021
- Author(s)
  Akahori, Takuya; Imai, Hiroshi; Eie, Sujin; Oyama, Tomoaki; Kimura, Kimihiro; Kurayama, Tomoharu; Kono, Yusuke; Kobayashi, Hideyuki; Sakai, Daisuke; Sakai, Nobuyuki; Teraya, Takaaki; Jike, Takaaki; Motogi, Kazuhito; Sugiyama, Koichiro (14番目); ...他12名
- Journal Title
  
  VLBI Future Planning Working Group Review Report, June 2021, 4th Edition
  
  Volume: -
- Open Access
- Data Source
  KAKENHI-PROJECT-19K03921
[Journal Article] Water maser variability in a high-mass YSO outburst2021
- Author(s)
  Hirota Tomoya、Cesaroni Riccardo、Moscadelli Luca、Sugiyama Koichiro、Burns Ross A.、Kim Jungha、Sunada Kazuyoshi、Yonekura Yoshinori
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 647 Pages: A23-A23
- DOI
  10.1051/0004-6361/202039798
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-19K03921
[Journal Article] Infrared observations of the flaring maser source G358.93-0.03. SOFIA confirms an accretion burst from a massive young stellar object2021
- Author(s)
  Stecklum B.、Wolf V.、Linz H.、Caratti o Garatti A.、Schmidl S.、...、Surcis G.、Sugiyama K. (24番目)、van der Walt J.、Volvach A.、Yonekura Y.
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 646 Pages: A161-A161
- DOI
  10.1051/0004-6361/202039645
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Journal Article] Measuring the impact of Indonesian antennas on global geodetic VLBI network2021
- Author(s)
  Huda Ibnu Nurul、Hidayat Taufiq、Dermawan Budi、Lambert Sebastien、Liu Niu、Leon Stephane、Fujisawa Kenta、Yonekura Yoshinori、Sugiyama Koichiro (9番目)、...他12名
- Journal Title
  
  Experimental Astronomy
  
  Volume: 52 Issue: 1-2 Pages: 141-155
- DOI
  10.1007/s10686-021-09773-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921, KAKENHI-PROJECT-21K03618
[Journal Article] Monitoring a methanol maser flare associated with the massive star-forming region G358.93-0.032020
- Author(s)
  Volvach A. E.、Volvach L. N.、Larionov M. G.、MacLeod G. C.、van den Heever S. P.、Sugiyama K. (6番目)
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society: Letters
  
  Volume: 494 Issue: 1 Pages: L59-L63
- DOI
  10.1093/mnrasl/slaa036
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Journal Article] Multiple Outflows in the High-mass Cluster-forming Region G25.82-0.172020
- Author(s)
  Kim Jungha、Kim Mi Kyoung、Hirota Tomoya、Kim Kee-Tae、Sugiyama Koichiro、Honma Mareki、Byun Do-young、Oh Chungsik、Motogi Kazuhito、Kang Jihyun、Kim Jeongsook、Liu Tie、Hu Bo、Burns Ross A.、Chibueze James O.、Matsumoto Naoko、Sunada Kazuyoshi
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 896 Issue: 2 Pages: 127-127
- DOI
  10.3847/1538-4357/ab9100
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-19K03921
[Journal Article] The First VERA Astrometry Catalog2020
- Author(s)
  Hirota Tomoya、VERA collaboration、他60名(1番目)
- Journal Title
  
  Publications of the Astronomical Society of Japan
  
  Volume: 72 Issue: 4 Pages: 50-50
- DOI
  10.1093/pasj/psaa018
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-19K03921
[Journal Article] A heatwave of accretion energy traced by masers in the G358-MM1 high-mass protostar2020
- Author(s)
  Burns R. A.、Sugiyama K.、Hirota T.、Kim Kee-Tae、Sobolev A. M.、Stecklum B.、MacLeod G. C.、Yonekura Y.、Olech M.、Orosz G.、Ellingsen S. P.、Hyland L.、Caratti o Garatti A.、Brogan C.、Hunter T. R.、Phillips C.、van den Heever S. P.、Eisloffel J.、Linz H.、Surcis G.、Chibueze J. O.、Baan W.、Kramer B.
- Journal Title
  
  Nature Astronomy
  
  Volume: - Issue: 5 Pages: 506-510
- DOI
  10.1038/s41550-019-0989-3
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-19K03921
[Journal Article] Salt, Hot Water, and Silicon Compounds Tracing Massive Twin Disks2020
- Author(s)
  Tanaka Kei E. I.、Zhang Yichen、Hirota Tomoya、Sakai Nami、Motogi Kazuhito、Tomida Kengo、Tan Jonathan C.、Rosero Viviana、Higuchi Aya E.、Ohashi Satoshi、Liu Mengyao、Sugiyama Koichiro
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 900 Issue: 1 Pages: 1-11
- DOI
  10.3847/2041-8213/abadfc
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-18K03713, KAKENHI-PROJECT-19K03921, KAKENHI-PROJECT-19K14760, KAKENHI-PROJECT-20K14533, KAKENHI-PROJECT-19K14774
[Journal Article] 13CH3OH Masers Associated With a Transient Phenomenon in a High-mass Young Stellar Object2020
- Author(s)
  Chen Xi、Hirota Tomoya、他23名(21番目)
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 890 Issue: 2 Pages: L22-L22
- DOI
  10.3847/2041-8213/ab72a5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-19K03921
[Journal Article] Long-term with short-intervals monitor of 6.7 GHz CH3OH masers using Hitachi 32-m radio telescope to statistically research the periodic flux variability around high-mass protostars2019
- Author(s)
  Sugiyama, Koichiro (1番目); Yonekura, Yoshinori; Motogi, Kazuhito; ... 他10名
- Journal Title
  
  Journal of Physics
  
  Volume: Volume 1380 Issue: 1 Pages: 5-5
- DOI
  10.1088/1742-6596/1380/1/012057
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Journal Article] Detection of new methanol maser transitions associated with G358.93-0.032019
- Author(s)
  MacLeod, Gordon C.; Sugiyama, Koichiro (2番目); Hunter, Todd R.; ... 他18名
- Journal Title
  
  Monthly Notices of the Royal Astronomical Society
  
  Volume: Volume 489 Issue: 3 Pages: 3981-3989
- DOI
  10.1093/mnras/stz2417
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Journal Article] Sub-arcsecond (Sub)millimeter Imaging of the Massive Protocluster G358.93-0.03: Discovery of 14 New Methanol Maser Lines Associated with a Hot Core2019
- Author(s)
  Brogan C. L.、Hirota T.、他26名(14番目)
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 881 Issue: 2 Pages: L39-L39
- DOI
  10.3847/2041-8213/ab2f8a
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05398, KAKENHI-PROJECT-19K03921
[Journal Article] Observations of 6.7 GHz Methanol Masers with EAVN I: VLBI Images of the first Epoch of Observations2014
- Author(s)
  K. Fujisawa, K. Sugiyama, K. Motogi, K. Hachisuka, Y. Yonekura, S. Sawada-Satoh, N. Matsumoto, K. Sorai, M. Momose, Y. Saito, et al.
- Journal Title
  
  Publ. Astron. Soc. Japan
  
  Volume: 66 Issue: 2 Pages: 31-31
- DOI
  10.1093/pasj/psu015
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] Research & Development for Radio Astronomy / Geodesy in Thailand,and Cooperation to UEC International Internship Program2022
- Author(s)
  Koichiro Sugiyama (主著, 発表者)、Phrudth Jaroenjittichai、他
- Organizer
  The 8th UEC Seminar in ASEAN, fiscal 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] Key Science Topics with 40-m Thai National Radio Telescope (TNRT)2021
- Author(s)
  Koichiro Sugiyama (主著, 発表者)、Phrudth Jaroenjittichai、Boonrucksar Soonthornthum、...他21名
- Organizer
  13th East Asian VLBI Workshop 2021 (EAVW21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] タイ王国電波天文・測地プロジェクトRANGDと東(南)アジアVLBI2021
- Author(s)
  Koichiro Sugiyama (主著, 発表者)、Phrudth Jaroenjittichai、Boonrucksar Soonthornthum、Saran Poshyachinda、Busaba H. Kramer、Apichat Leckngam、他
- Organizer
  2021年度VLBI懇談会シンポジウム
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] Unique View through the Window of Radio Astronomy with Very Long Baseline Interferometry2021
- Author(s)
  Koichiro Sugiyama (主著, 発表者)、Phrudth Jaroenjittichai、Boonrucksar Soonthornthum、...他21名
- Organizer
  Siam Physics Congress 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] Bipolar outflow tracing by 22 GHz H2O masers toward W49 N star-forming region measured with KaVA2021
- Author(s)
  Kitiyanee Asanok (発表者)、Malcolm D. Gray、Tomoya Hirota、...、Koichiro Sugiyama (8番目)、Bannawit Pimpanuwat
- Organizer
  13th East Asian VLBI Workshop 2021 (EAVW21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] Developing the future VLBI Network in South-East Asia2021
- Author(s)
  Taufiq Hidayat (発表者)、Koichiro Sugiyama (2番目)、Phrudth Jaroenjittichai、Zamri Zainal Abidin
- Organizer
  13th East Asian VLBI Workshop 2021 (EAVW21)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] EAVN collaboration with KaVA-LP via surveying the 6.7 GHz CH3OH masers2021
- Author(s)
  Koichiro Sugiyama (主著, 発表者)、Tomoya Hirota、Kee-Tae Kim、...他7名
- Organizer
  EAVN Star-formation workshop and VLBI tutorial
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] 大質量星形成領域G358.93-00.03における降着バースト的増光現象の検出2019
- Author(s)
  杉山孝一郎 (主著, 発表者)、米倉覚則、齋藤悠、他11名
- Organizer
  日本天文学会2019年秋季年会
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] The accretion bursting flare in the high-mass SFR G 358.93-00.03 I: Single-dish monitoring2019
- Author(s)
  Sugiyama, Koichiro (主著, 発表者); Yonekura, Yoshinori; Saito, Yu; ...他6名
- Organizer
  12th East Asian VLBI Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] Research for Flux Variability with 40m TNRT2019
- Author(s)
  Sugiyama, Koichiro
- Organizer
  NARIT-NAOJ Collaboration Meeting 2019
- Invited
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] Flux Variability of Masers in High-mass Star-forming Regions2019
- Author(s)
  Sugiyama, Koichiro
- Organizer
  NARIT-Maser Key Science Focus Group Meeting
- Invited
- Data Source
  KAKENHI-PROJECT-19K03921
[Presentation] 6.7 GHzメタノール・メーザーの周期強度変動探査 II：100日周期天体2014
- Author(s)
  杉山孝一郎、元木業人、藤沢健太、齋藤悠、石井翔太、古川尚子、米倉覚則、百瀬宗武、本間希樹、稲吉恒平、田中圭、細川隆史、内山瑞穂、蜂須賀一也
- Organizer
  日本天文学会
- Place of Presentation
  国際基督教大学
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] EAVNによる 6.7 GHzメタノール・メーザーのVLBIサーベイ VII：楕円形状天体の固有運動　まとめ2014
- Author(s)
  杉山孝一郎、藤沢健太、元木業人、新沼浩太郎、平野大樹、蜂須賀一也、Shen Zhiqiang、米倉覚則、百瀬宗武、古川尚子、齋藤悠、本間希樹、廣田朋也、澤田-佐藤聡子、松本尚子、村田泰宏、土居明広、小川英夫
- Organizer
  日本天文学会
- Place of Presentation
  国際基督教大学
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] EAVNによる 6.7 GHzメタノール・メーザーのVLBIサーベイ VI：2010-2012年間における内部固有運動議論　その22013
- Author(s)
  杉山孝一郎、藤沢健太、元木業人、新沼浩太郎、平野大樹、蜂須賀一也、Shen Zhiqiang、米倉覚則、百瀬宗武、古川尚子、齋藤悠、本間希樹、廣田朋也、澤田-佐藤聡子、松本尚子、村田泰宏、土居明広、小川英夫
- Organizer
  日本天文学会
- Place of Presentation
  東北大学
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] 6.7 GHzメタノール・メーザーの周期強度変動探査 I：プロジェクト概要2013
- Author(s)
  杉山孝一郎、元木業人、藤沢健太、齋藤悠、古川尚子、米倉覚則、百瀬宗武、本間希樹、稲吉恒平、田中圭、細川隆史
- Organizer
  日本天文学会
- Place of Presentation
  東北大学
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] The VLBI Imaging Survey of the 6.7 GHz Methanol Masers using the JVN/EAVN2012
- Author(s)
  杉山孝一郎
- Organizer
  New Trends in Radio Astronomy in the ALMA Era
- Place of Presentation
  ザ・プリンス箱根
- Year and Date
  2012-12-03
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] 高萩 / 日立 32 m 電波望遠鏡の整備状況 (11)
- Author(s)
  米倉覚則, 齋藤悠, Soon KangLou, 石井翔太, 沖本有, 永瀬桂, 加古琳一, 安井靖尭, 杉山孝一郎, 宮本祐介, 百瀬宗武, 吉田龍生, 小川英夫, 藤沢健太, 他
- Organizer
  日本天文学会２０１５年春季年会
- Place of Presentation
  大阪大学
- Year and Date
  2015-03-18 – 2015-03-21
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] 茨城 32-m 鏡による 6.7 GHz メタノールメーザー源の単一鏡強度モニター
- Author(s)
  米倉覚則, 杉山孝一郎, 齋藤悠, 石井翔太, 百瀬宗武, 平本信善, 元木業人, 藤沢健太
- Organizer
  日本天文学会２０１４年秋季年会
- Place of Presentation
  山形大学
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] EAVNによる6.7 GHz メタノール・メーザーのVLBIサーベイ IX：ペア形状天体の内部固有運動
- Author(s)
  蜂須賀一也, 藤沢健太, 元木業人, 平野大樹, 林京之介, 杉山孝一郎, 米倉覚則, 澤田-佐藤聡子, 松本尚子, 村田泰宏, 他
- Organizer
  日本天文学会２０１４年秋季年会
- Place of Presentation
  山形大学
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] EAVNによる 6.7 GHzメタノール・メーザーの固有運動計測プロジェクト
- Author(s)
  杉山孝一郎, 藤沢健太, 蜂須賀一也, 元木業人, 平野大樹, 林京之介, 新沼浩太郎, 米倉覚則, 百瀬宗武, 齋藤悠, 他
- Organizer
  日本天文学会２０１４年秋季年会
- Place of Presentation
  山形大学
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] EAVNによる6.7GHzメタノール・メーザーのVLBIサーベイ VIII
- Author(s)
  松本尚子, 藤沢健太, 蜂須賀一也, 元木業人, 平野大輝, 林京之介, 新沼浩太郎, 杉山孝一郎, 米倉覚則, 齋藤悠, 他
- Organizer
  日本天文学会２０１４年秋季年会
- Place of Presentation
  山形大学
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] 茨城観測局高萩 / 日立 32 m 電波望遠鏡の立ち上げ
- Author(s)
  米倉覚則, 齋藤悠, Soon KangLou, 石井翔太, 佐藤雄貴, 沖本有, 加古琳一, 永瀬桂, 安井靖尭, 杉山孝一郎, 宮本祐介, 百瀬宗武, 吉田龍生, 横沢正芳, 小川英夫, 木村公洋, 藤沢健太, 他
- Organizer
  日本天文学会２０１４年秋季年会
- Place of Presentation
  山形大学
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-24340034
[Presentation] EAVN による 6.7 GHz メタノール・メーザーの VLBI サーベイ X
- Author(s)
  杉山孝一郎, 藤沢健太, 蜂須賀一也, 元木業人, 平野大樹, 林京之介, 新沼浩太郎, 米倉覚則, 百瀬宗武, 齋藤悠, 他
- Organizer
  日本天文学会２０１５年春季年会
- Place of Presentation
  大阪大学
- Year and Date
  2015-03-18 – 2015-03-21
- Data Source
  KAKENHI-PROJECT-24340034

1. YONEKURA YOSHINORI (90305665)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
2. MOMOSE Munetake (10323205)

# of Collaborated Projects: 1 results

# of Collaborated Products: 10 results
3. FUJISAWA Kenta (70311181)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. HIROTA Tomoya

# of Collaborated Projects: 0 results

# of Collaborated Products: 7 results
5. 藤沢健太

# of Collaborated Projects: 0 results

# of Collaborated Products: 12 results

Sugiyama koichiro 杉山 孝一郎

SUGIYAMA Koichiro 杉山 孝一郎

Research Projects

Research Products

Co-Researchers

Observational Establishment of the Period-Luminosity Relation in the Evolution of High-mass ProtostarsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study of the mechanism of massive-star formation by large-scale monitoring survey of methanol masers

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] A Multitransition Methanol Maser Study of the Accretion Burst Source G358.93-0.03-MM12022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] VLBI Future Planning Working Group Review Report2021

Author(s)

Journal Title

Data Source

[Journal Article] Water maser variability in a high-mass YSO outburst2021

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DOI

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[Journal Article] Infrared observations of the flaring maser source G358.93-0.03. SOFIA confirms an accretion burst from a massive young stellar object2021

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DOI

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[Journal Article] Measuring the impact of Indonesian antennas on global geodetic VLBI network2021

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DOI

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[Journal Article] Monitoring a methanol maser flare associated with the massive star-forming region G358.93-0.032020

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DOI

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[Journal Article] Multiple Outflows in the High-mass Cluster-forming Region G25.82-0.172020

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DOI

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[Journal Article] The First VERA Astrometry Catalog2020

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DOI

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[Journal Article] A heatwave of accretion energy traced by masers in the G358-MM1 high-mass protostar2020

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DOI

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[Journal Article] Salt, Hot Water, and Silicon Compounds Tracing Massive Twin Disks2020

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DOI

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[Journal Article] 13CH3OH Masers Associated With a Transient Phenomenon in a High-mass Young Stellar Object2020

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DOI

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[Journal Article] Long-term with short-intervals monitor of 6.7 GHz CH3OH masers using Hitachi 32-m radio telescope to statistically research the periodic flux variability around high-mass protostars2019

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DOI

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[Journal Article] Detection of new methanol maser transitions associated with G358.93-0.032019

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DOI

Sugiyama koichiro 杉山孝一郎

SUGIYAMA Koichiro 杉山孝一郎

[Presentation] EAVNによる 6.7 GHzメタノール・メーザーのVLBIサーベイ VII：楕円形状天体の固有運動　まとめ2014

[Presentation] EAVNによる 6.7 GHzメタノール・メーザーのVLBIサーベイ VI：2010-2012年間における内部固有運動議論　その22013