High precision terahertz frequency measurement of rotational transitions of molecules and ions prepared for the investigation of interstellar molecules
| Project/Area Number |
26400226
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Astronomy
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| Research Institution | University of Toyama |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
森脇 喜紀 富山大学, 大学院理工学研究部(理学), 教授 (90270470)
小林 かおり 富山大学, 大学院理工学研究部(理学), 准教授 (80397166)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Keywords | テラヘルツ / 遠赤外 / 電波天文学 / 分子イオン / 分光学 / 遠赤外分光 / 量子エレクトロニクス / 星間分子 / 電波天文 / 分子分光 |
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| Outline of Final Research Achievements |
Rotational transition frequencies of molecules and molecular ions were measured precisely with an accuracy of several tens of kHz by using far-infrared spectrometer in Toyama University. Measured species were D2H+, 15NH3 and HCO+ (including its isotopomers). Obtained spectral data supports the far-infrared investigations in several international research projects of interstellar species (such as ALMA, SOFIA). Our data of D2H+ successfully contributed to improve molecular parameters of this species.
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Report
(4 results)
Research Products
(14 results)
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[Journal Article] THz spectroscopy of D2H+2017
Author(s)
S. Yu, J.C. Pearson, T. Amano, F. Matsushima
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Journal Title
Journal of Molecular Spectroscopy
Volume: 331
Pages: 6-8
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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