Hirahara Yasuhiro

Affiliation and department：
Job title： Associate professor
Homepage URL (1)： http://www.chibake.jp/member/Hirahara_yasuhiro.html

Research field (1)： Space and planetary science

Research theme for competitive and other funds (29)：

2023 - 2028 Search for snow-lines with high-resolution spectroscopic observations in the mid-infrared
2023 - 2027 原始惑星系円盤におけるスノーライン探査を目指す中間赤外線高分散分光技術開発
2023 - 2026 Accurate Reflactive Index Measurement at Low Temperature for Space-borne Mid-IR High-Dispersion Spectroscopy
2021 - 2024 赤外マルチファイバー技術と先端分光技術の融合で惑星展開を目指す小型赤外分光器開発
2019 - 2022 Development of mid-infrared hollow core waveguide for GIGMICS on the new telescope at Haleakala

2020 - 2021 ALMA Archive Data Analysis for the Chemical Physics in Atmospheres of Solar Objects

2020 - 2021 ハレアカラPLANETS1.8m望遠鏡主鏡の最終研磨とトラス式架台への支持機構の開発

2017 - 2019 On the origin of the variation of Titan's atmospheric composition by ALMA archive data analysis

2014 - 2017 Understanding of Jovian atmosphere-ionosphere-magnetosphere coupling process based on optical and radio telescopes from ground and space

2012 - 2016 Line survey observation of interstellar molecules by immergion grating spectrograph

2012 - 2015 Structural analysis of the atmospheric pressure plasma using the Germanium Immersion Grating Spectograph

2009 - 2015 Studies of quantum coherency of targets stored in nano-space

2007 - 2009 Development of infrared high-dispersion grating by high precision processing

2007 - 2008 点接触変形のラマン分光法によるその場観察

2007 - 2008 New processes that determine the lifetime of dust disks around exoplanets

2004 - 2006 Thermal history at the stages of molecular clouds to planet formation with the use of crystallization of dust as a tool

2004 - 2005 Line survey observation of circumstellar envelope of late type stars

2004 - 2005 高分散冷却エシェル分光器ProtoIRHSを用いたPAHの赤外発光分光

2003 - 2005 宇宙塵の結晶化過程の研究とそれを用いた熱史プローブの開発

2001 - 2003 Link between protoplanetary materials and interstellar dust

2000 - 2001 DIBの解明のための炭素クラスター負イオンのレーザー誘起蛍光分光

2000 - 2001 Geoenvironmental assessment wsing geocemical map

1999 - 2000 Research on a material and energy cycle model in the earth system using earth observation satellite data

1999 - 2000 分子分光学的手法による惑星系始源物質の蒸発素過程に関する研究

1997 - 1998 Reserch on spectral property of planetary materials for the fundamentals of the remote sensing data

1997 - 1998 Spectroscopy and reactivity of organic compounds in space

1996 - 1996 Milimeter and Optical-Infrared Astronomical Observations by Using High-level Overseas Telescopes

1995 - 1995 赤外アレイ検出器を用いた星間分子の高分解振動回転スペクトル観測装置の開発

1994 - 1994 フーリエ変換赤外分光法による星間分子の振動回転スペクトルの観測的研究

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Papers (9)：

Ryoichi Koga, Tatsuya Suzuki, Fuminori Tsuchiya, Takeshi Sakanoi, Yasuhiro Hirahara. ALMA Observation of SO2 Gas Originating from Io's Volcanic Plume and Lava Areas. The Astrophysical Journal Letters. 2021. 907. 1. L6-L14
Ryoichi Koga, Tatsuya Suzuki, Fuminori Tsuchiya, Takeshi Sakanoi, Yasuhiro Hirahara. ALMA Observation of SO2 Gas Originating from Io’s Volcanic Plume and Lava Areas. The Astrophysical Journal. 2021. 907. 1. L6-L6
Masato Kagitani, Takeshi Sakanoi, Yasumasa Kasaba, Yasuhiro Hirahara, Mikio Kurita, Jeffrey R. Kuhn, Svetlana V. Berdyugina, Marcelo Emilio. High dynamic-range observation using a 1.8-m off-axis telescope PLANETS: feasibility study and telescope design. Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. 2020. 11445. 1144543-1-1144543-11
Yasuhiro Hirahara, Ryota Ito, Yuji Yokoyama, Yuji Matsuura, Takashi Katagiri, Hiromu Nakagawa, Yasumasa Kasaba, Atsushi Yamazaki. Development of the liquid nitrogen cooled hollow core waveguide fiber for the mid-infrared region. Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. 2020. 11451. 114516C-1-114516C-7
Hiromu Nakagawa, Satoki Tsukada, Yasumasa Kasaba, Yasuhiro Hirahara, Yuji Matsuura, Takashi Katagiri, Isao Murata, Atsushi Yamazaki. Broadband mid-IR fiber optics for heterodyne spectroscopy in solar system exploration missions. Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. 2020. 11451. 114516B-1-114516B-7

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Lectures and oral presentations (4)：

High dynamic-range observation using a 1.8-m off-axis telescope PLANETS: feasibility study and telescope design
(SPIE Astronomical Telescopes + Instrumentation 2020)
Development of the liquid nitrogen cooled hollow core waveguide fiber for the mid-infrared region
(SPIE Astronomical Telescopes + Instrumentation 2020)
Broadband mid-IR fiber optics for heterodyne spectroscopy in solar system exploration missions
(SPIE Astronomical Telescopes + Instrumentation 2020)
Transmittance measurement of low/high-resistivity of CdZnTe at cryogenic temperature for material selection of the immersion grating of SPICA SMI
(SPIE Astronomical Telescopes + Instrumentation 2020)

Professional career (1)：

博士(理学)

Work history (3)：

2012/04/01 - 現在 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences Geochemistry and Cosmochemistry Associate professor
2007/04/01 - 2012/03/31 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences Associate professor
1998/07/16 - 2007/03/31 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences Assistant Professor

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