AKIYAMA EIJI 秋山永治

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Akiyama Eiji 秋山永治

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Researcher Number	30647623
Other IDs
Affiliation (Current)	2025: 新潟工科大学, 工学部, 准教授
Affiliation (based on the past Project Information) *help	2021: 新潟工科大学, 工学部, 准教授 2020: 新潟工科大学, 工学部, 講師 2018 – 2019: 北海道大学, 高等教育推進機構, 特定専門職員 2017: 国立天文台, チリ観測所, 特任助教
Review Section/Research Field	Principal Investigator Astronomy
Keywords	Principal Investigator 惑星起源・進化 / 天文学 / 電波天文学 / 惑星形成・進化 / 原始惑星系円盤

Research Projects
(1 results)
Research Products
(33 results)

Observational Studies of Atmospheric Components of Protoplanets and Origin of Planet AtmospherePrincipal Investigator
- Principal Investigator
  
  Akiyama Eiji
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Astronomy
- Research Institution
  Niigata Institute of Technology
  Hokkaido University
  National Astronomical Observatory of Japan

All 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] High Spatial Resolution Observations of Molecular Lines toward the Protoplanetary Disk around TW Hya with ALMA2021
- Author(s)
  Nomura Hideko、Tsukagoshi Takashi、Kawabe Ryohei、Muto Takayuki、Kanagawa Kazuhiro D.、Aikawa Yuri、Akiyama Eiji、Okuzumi Satoshi、Ida Shigeru、Lee Seokho、Walsh Catherine、Millar T. J.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 914 Issue: 2 Pages: 113-113
- DOI
  10.3847/1538-4357/abfb6a
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-19K03926, KAKENHI-PROJECT-19K03932, KAKENHI-PROJECT-20H00182, KAKENHI-PROJECT-19K03910, KAKENHI-PROJECT-20K04017, KAKENHI-PROJECT-19K14779, KAKENHI-PLANNED-20H05847, KAKENHI-PROJECT-18H05222, KAKENHI-PROJECT-17H01103, KAKENHI-PLANNED-18H05438, KAKENHI-PLANNED-18H05441
[Journal Article] SCExAO/CHARIS Direct Imaging of A Low-mass Companion At A Saturn-like Separation from an Accelerating Young A7 Star2021
- Author(s)
  Chilcote Jeffrey、Tobin Taylor、Currie Thayne、Brandt Timothy D.、Groff Tyler D.、Kuzuhara Masayuki、Guyon Olivier、Lozi Julien、Jovanovic Nemanja、Sahoo Ananya、Deo Vincent、Akiyama Eiji、Janson Markus、Knapp Jill、Kwon Jungmi、McElwain Michael W. 他5名
- Journal Title
  
  The Astronomical Journal
  
  Volume: 162 Issue: 6 Pages: 251-251
- DOI
  10.3847/1538-3881/ac29ba
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PLANNED-20H05893, KAKENHI-PROJECT-19K14775, KAKENHI-PLANNED-18H05442
[Journal Article] Subaru Near-infrared Imaging Polarimetry of Misaligned Disks around the SR 24 Hierarchical Triple System2020
- Author(s)
  Mayama, Satoshi; Perez, Sebastian; Kusakabe, Nobuhiko; Akiyama, Eiji et al.
- Journal Title
  
  The Astronomical Journal
  
  Volume: 159 Issue: 1 Pages: 12-12
- DOI
  10.3847/1538-3881/ab5850
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-19K14775, KAKENHI-PLANNED-18H05441, KAKENHI-PLANNED-18H05442, KAKENHI-PUBLICLY-19H05089, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17K14244, KAKENHI-INTERNATIONAL-15K21733, KAKENHI-PROJECT-17H01103
[Journal Article] The origin of tail-like structures around protoplanetary disks2020
- Author(s)
  Vorobyov Eduard I.、Skliarevskii Alexandr M.、Elbakyan Vardan G.、Takami Michihiro、Liu Hauyu Baobab、Liu Sheng-Yuan、Akiyama Eiji
- Journal Title
  
  Astronomy & Astrophysics
  
  Volume: 635 Pages: A196-A196
- DOI
  10.1051/0004-6361/201936990
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Journal Article] Dust Continuum Emission and the Upper Limit Fluxes of Submillimeter Water Lines of the Protoplanetary Disk around HD 163296 Observed by ALMA2019
- Author(s)
  Notsu Shota, Akiyama Eiji, Booth Alice, Nomura Hideko, Walsh Catherine, Hirota Tomoya, Honda Mitsuhiko, Tsukagoshi Takashi, Millar T. J.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 875 Issue: 2 Pages: 96-96
- DOI
  10.3847/1538-4357/ab0ae9
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16J06887, KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-19K03910, KAKENHI-PLANNED-18H05441, KAKENHI-PROJECT-17K14244, KAKENHI-PROJECT-15H05439, KAKENHI-PROJECT-17H01103
[Journal Article] The First Detection of 13C17O in a Protoplanetary Disk: A Robust Tracer of Disk Gas Mass2019
- Author(s)
  Booth, Alice S.; Walsh, Catherine; Ilee, John D.; Notsu, Shota; Qi, Chunhua; Nomura, Hideko; Akiyama, Eiji
- Journal Title
  
  The Astrophysical Journal Letters
  
  Volume: 882 Issue: 2 Pages: L31-L31
- DOI
  10.3847/2041-8213/ab3645
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-19K03910, KAKENHI-PLANNED-18H05441
[Journal Article] Vigorous interactions of protoplanetary disk around SU Aurigae2019
- Author(s)
  秋山永治
- Journal Title
  
  Planetary People - The Japanese Society for Planetary Sciences
  
  Volume: 28 Issue: 4 Pages: 305-312
- DOI
  10.14909/yuseijin.28.4_305
- NAID
  130007845673
- ISSN
  0918-273X, 2423-897X
- Year and Date
  2019-12-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05399
[Journal Article] A Tail Structure Associated with a Protoplanetary Disk around SU Aurigae2019
- Author(s)
  Akiyama, Eiji; Vorobyov, Eduard I.; Baobabu Liu, Hauyu; Dong, Ruobing; de Leon, Jerome; Liu, Sheng-Yuan; Tamura, Motohide
- Journal Title
  
  The Astronomical Journal
  
  Volume: 157 Issue: 4 Pages: 165-165
- DOI
  10.3847/1538-3881/ab0ae4
- NAID
  120006825249
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PLANNED-18H05442, KAKENHI-PROJECT-15H02063
[Journal Article] Candidate Water Vapor Lines to Locate the H2O Snowline through High-dispersion Spectroscopic Observations. III. Submillimeter H2 16O and H2 18O Lines2018
- Author(s)
  Notsu, Shota; Nomura, Hideko; Walsh, Catherine; Honda, Mitsuhiko; Hirota, Tomoya; Akiyama, Eiji; Millar, T. J.
- Journal Title
  
  アストロフィジカル・ジャーナル
  
  Volume: 855 Issue: 1 Pages: 62-77
- DOI
  10.3847/1538-4357/aaaa72
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-17H01103, KAKENHI-PROJECT-15H03646, KAKENHI-PROJECT-15H05439, KAKENHI-PROJECT-16J06887, KAKENHI-PROJECT-25400229
[Journal Article] 高解像度観測が導く惑星系形成2018
- Author(s)
  秋山永治
- Journal Title
  
  日本惑星科学会誌「遊・星・人」
  
  Volume: 27 Pages: 4-16
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05399
[Journal Article] The Eccentric Cavity, Triple Rings, Two-armed Spirals, and Double Clumps of the MWC 758 Disk2018
- Author(s)
  Dong Ruobing、Liu Sheng-yuan、Eisner Josh、Andrews Sean、Fung Jeffrey、Zhu Zhaohuan、Chiang Eugene、Hashimoto Jun、Liu Hauyu Baobab、Casassus Simon、Esposito Thomas、Hasegawa Yasuhiro、Muto Takayuki、Pavlyuchenkov Yaroslav、Wilner David、Akiyama Eiji、Tamura Motohide、Wisniewski John
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 860 Issue: 2 Pages: 124-124
- DOI
  10.3847/1538-4357/aac6cb
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17H01103, KAKENHI-PROJECT-17K14258, KAKENHI-PLANNED-18H05442
[Journal Article] ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk2018
- Author(s)
  Mayama Satoshi、Akiyama Eiji、Pani? Olja、Miley James、Tsukagoshi Takashi、Muto Takayuki、Dong Ruobing、de Leon Jerome、Mizuki Toshiyuki、Oh Daehyeon、Hashimoto Jun、Sai Jinshi、Currie Thayne、Takami Michihiro、Grady Carol A.、Hayashi Masahiko、Tamura Motohide、Inutsuka Shu-ichiro
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 868 Issue: 1 Pages: L3-L3
- DOI
  10.3847/2041-8213/aae88b
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-17K14244, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17H01103, KAKENHI-PROJECT-17K14258, KAKENHI-PLANNED-18H05441, KAKENHI-PLANNED-18H05442
[Journal Article] Differences in the Gas and Dust Distribution in the Transitional Disk of a Sun-like Young Star, PDS 702018
- Author(s)
  Long Zachary C.、Akiyama Eiji、Sitko Michael、Fernandes Rachel B.、Assani Korash、Grady Carol A.、Cure Michel、Danchi William C. et al.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 858 Issue: 2 Pages: 112-112
- DOI
  10.3847/1538-4357/aaba7c
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17H01103, KAKENHI-PROJECT-17K14258, KAKENHI-PLANNED-18H05442
[Journal Article] Orbital Characterization of GJ1108A System, and Comparison of Dynamical Mass with Model-derived Mass for Resolved Binaries2018
- Author(s)
  Mizuki T.、Kuzuhara M.、Mede K.、Schlieder J. E.、Janson M.、Brandt T. D.、Hirano T.、Narita N.、Wisniewski J.、Yamada T.、Biller B.、Bonnefoy M.、Carson J. C.、McElwain M. W.、Matsuo T.、Turner E. L.、Mayama S.、Akiyama E. et al.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 865 Issue: 2 Pages: 152-152
- DOI
  10.3847/1538-4357/aada82
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-16K17660, KAKENHI-PROJECT-26220704, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17K14258, KAKENHI-PLANNED-18H05439, KAKENHI-PLANNED-18H05442, KAKENHI-PROJECT-18H01265
[Journal Article] High-contrast Polarimetry Observation of the T Tau Circumstellar Environment2018
- Author(s)
  Yang Yi、Mayama Satoshi、Hayashi Saeko S.、Hashimoto Jun、Rafikov Roman、Akiyama Eiji、Currie Thayne、Janson Markus et al.
- Journal Title
  
  The Astrophysical Journal
  
  Volume: 861 Issue: 2 Pages: 133-133
- DOI
  10.3847/1538-4357/aac6c8
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-26220704, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17H01103, KAKENHI-PROJECT-17K14258, KAKENHI-PLANNED-18H05442
[Journal Article] Subaru/HiCIAO HK s Imaging of LKHa 330: Multi-band Detection of the Gap and Spiral-like Structures2018
- Author(s)
  Uyama Taichi、Hashimoto Jun、Muto Takayuki、Akiyama Eiji、Dong Ruobing、Leon Jerome de、Sakon Itsuki、Kudo Tomoyuki et al.
- Journal Title
  
  The Astronomical Journal
  
  Volume: 156 Issue: 2 Pages: 63-63
- DOI
  10.3847/1538-3881/aacbd1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399, KAKENHI-PROJECT-26220704, KAKENHI-PROJECT-15H02063, KAKENHI-PROJECT-17H01103, KAKENHI-PROJECT-17J00934, KAKENHI-PROJECT-16K13791, KAKENHI-PROJECT-17K14258, KAKENHI-PLANNED-18H05441, KAKENHI-PLANNED-18H05442
[Presentation] ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk2019
- Author(s)
  Mayama, Satoshi; Akiyama, Eiji; Panic, Olja; Miley, James; Tsukagoshi, Takashi; Muto, Takayuki; Dong, Ruobing; De Leon, Jerome Pitogo; Mizuki, Toshiyuki; Daehyeon, Oh; Hashimoto, Jun; Sai, Jinshi; Currie, Thayne; Takami, Michihiro; Grady, Carol A.; Hayashi, Masahiko; Tamura, Motohide; Inutsuka, Shu-ichiro
- Organizer
  234th American Astronomical Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] 見えない光で迫る惑星形成2019
- Author(s)
  秋山永治
- Organizer
  北海道大学遠隔授業プロジェクト
- Invited
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] Possibility to locate the position of the H2O snowline in protoplanetary disks through spectroscopic observations2019
- Author(s)
  Notsu, Shota; Nomura, Hideko; Walsh, Catherine; Honda, Mitsuhiko; Hirota, Tomoya; Akiyama, Eiji; Tsukagoshi, Takashi; Booth, Alice S.; Millar, T. J.
- Organizer
  International Astronomical Union
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] Effect of Dust Distribution on Chemical Structure in the TW Hya Disk2018
- Author(s)
  Nomura, Hideko; Tsukagohi, Takashi; Kawabe, Ryohei; Muto, Takayuki; Akiyama, Eiji; Aikawa, Yuri; Okuzumi, Satoshi; Kanagawa, Kazuhiro D; Ida, Shigeru; Walsh, Catherine; Millar, Tom J
- Organizer
  Workshop on Inter Stellar Matter 2018 (ILTS Symposium)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] ALMAによるHD163296の原始惑星系円盤中の多重リング構造と水輝線探索2018
- Author(s)
  野津翔太、野村英子、秋山永治、廣田朋也、本田充彦、Catherine Walsh、Alice Booth、Tom Millar
- Organizer
  日本天文学会2018年春季年会
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] HD163296の原始惑星系円盤のALMA観測 -水輝線と多重リング・ギャップ構造2018
- Author(s)
  野津翔太, 野村英子, 秋山永治, Alice Booth, Catherine Walsh, 廣田朋也, 本田充彦, 塚越崇, Tom Millar
- Organizer
  日本惑星科学会2018年秋季講演会
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] High Spatial Observations of Protoplanetary Disks Review2018
- Author(s)
  Akiyama, Eiji
- Organizer
  4th International Conference on Astrophysics and Particle Physics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] Gas and Dust Distribution in the Transitional Disk of a Sun-like Young Star, PDS 702018
- Author(s)
  秋山永治、Long, Zachary、Sitko, Michael、Assani, Korash、Fernandes, Rachel B.、Grady, Carol A.、中里剛、田村元秀
- Organizer
  2018年日本天文学会秋季大会
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] Observations of protoplanetary discs: pathway to planet formation2018
- Author(s)
  秋山永治
- Organizer
  The 2nd Rencontres du Vietnam on Exoplanetary Science
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] 星・惑星系形成2018
- Author(s)
  秋山永治
- Organizer
  第48回天文・天体物理若手夏の学校
- Invited
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] Water lines and multiple ring and gap structures of the protoplanetary disk around HD 1632962018
- Author(s)
  Notsu, Shota; Akiyama, Eiji; Booth, Alice; Nomura, Hideko; Walsh, Catherine; Hirota, Tomoya; Honda, Mitsuhiko; Tsukagoshi, Takashi; Millar, Tom J.
- Organizer
  Workshop on Inter Stellar Matter 2018 (ILTS Symposium)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] 太陽サイズの若い中心星を持つ遷移円盤のキャビティ内の観測的研究2017
- Author(s)
  秋山永治、田村元秀、長谷川靖紘
- Organizer
  日本地球惑星科学連合2017年大会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] ALMA分光観測による原始惑星系円盤のH2Oスノーラインの同定可能性2017
- Author(s)
  野津翔太、野村英子、C. Walsh、本田充彦、廣田朋也、秋山永治、T. J. Millar
- Organizer
  日本惑星科学会2017年秋季講演会
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] 観測が明かす原始惑星系円盤と惑星系の姿2017
- Author(s)
  秋山永治
- Organizer
  日本惑星科学会2017年秋季講演会
- Invited
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] ALMAの高分散分光観測による、原始惑星系円盤のH2Oスノーラインの同定可能性2017
- Author(s)
  野津翔太、野村英子、本田充彦、廣田朋也、秋山永治、Walsh Catherine、Millar T.J.
- Organizer
  日本地球惑星科学連合2017年大会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] ALMA分光観測による原始惑星系円盤のH2Oスノーラインの同定可能性2017
- Author(s)
  野津翔太、野村英子、本田充彦、廣田朋也、秋山永治
- Organizer
  日本天文学会2017年秋季年会
- Data Source
  KAKENHI-PROJECT-17K05399
[Presentation] Observational signature of grain growth in the protoplanetary disk around young star LkHα 3302017
- Author(s)
  秋山永治
- Organizer
  2nd International Conference on Astrophysics and Particle Physics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05399

AKIYAMA EIJI 秋山 永治

Akiyama Eiji 秋山 永治

Research Projects

Research Products

Observational Studies of Atmospheric Components of Protoplanets and Origin of Planet AtmospherePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] High Spatial Resolution Observations of Molecular Lines toward the Protoplanetary Disk around TW Hya with ALMA2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] SCExAO/CHARIS Direct Imaging of A Low-mass Companion At A Saturn-like Separation from an Accelerating Young A7 Star2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Subaru Near-infrared Imaging Polarimetry of Misaligned Disks around the SR 24 Hierarchical Triple System2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The origin of tail-like structures around protoplanetary disks2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dust Continuum Emission and the Upper Limit Fluxes of Submillimeter Water Lines of the Protoplanetary Disk around HD 163296 Observed by ALMA2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The First Detection of 13C17O in a Protoplanetary Disk: A Robust Tracer of Disk Gas Mass2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Vigorous interactions of protoplanetary disk around SU Aurigae2019

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] A Tail Structure Associated with a Protoplanetary Disk around SU Aurigae2019

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Candidate Water Vapor Lines to Locate the H2O Snowline through High-dispersion Spectroscopic Observations. III. Submillimeter H2 16O and H2 18O Lines2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 高解像度観測が導く惑星系形成2018

Author(s)

Journal Title

Data Source

[Journal Article] The Eccentric Cavity, Triple Rings, Two-armed Spirals, and Double Clumps of the MWC 758 Disk2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Differences in the Gas and Dust Distribution in the Transitional Disk of a Sun-like Young Star, PDS 702018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Orbital Characterization of GJ1108A System, and Comparison of Dynamical Mass with Model-derived Mass for Resolved Binaries2018

AKIYAMA EIJI 秋山永治

Akiyama Eiji 秋山永治