2004 Fiscal Year Final Research Report Summary
Research of Twisted Structures in Emerging Flux to be Source of Solar Plasma Eruptions
| Project/Area Number |
14340060
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Astronomy
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| Research Institution | Kyoto University |
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Principal Investigator |
KUROKAWA Hiroki Kyoto University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (80135508)
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| Co-Investigator(Kenkyū-buntansha) |
SHIBATA Kazunari Kyoto University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (70144178)
KITAI Reizaburou Kyoto University, Graduate School of Science, Associate Professor, 大学院・理学研究科, 助教授 (40169850)
UENO Satoru Kyoto University, Graduate School of Science, Assistant Professor, 大学院・理学研究科, 助手 (70303807)
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| Project Period (FY) |
2002 – 2004
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| Keywords | Solar magnetic field / High resolution solar telescope / Solar flare / Solar plasm ejection / Solar Halpha surge / Space weather forecast |
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| Research Abstract |
To guarantee human beings to work safely and effectively in the space, the forecast for strong solar flares is indispensable. And the study of the build-up and release mechanism of the magnetic field energy, which is the source of flares and solar plasm ejections, is essentially needed.
To study the build-up and release mechanism of he magnetic field energy we need to measure the variations of the three dimensional structures of solar magnetic field over the full solar disk. The primary purpose of this research project is the construction of a good full-solar-disk vector magnetograph. We succeeded to construct the new Solar Magnetic Activity Research Telescope (SMART) at Hida Observatory, Graduate School of Science, Kyoto University form 2002 through 2003.
In 2004, we made many test observation to examine the performance of the SMART and made many fine adjustment to optimize the power of the telescope. From these observation with SMART, we got the following results :
(1)We confirmed the SMART achieves the best spatial resolution in the world in the full disk Halpha solar image. The better spatial resolution than 1 arc second is obtained over the full solar disk with the SMART.
(2)We first succeeded to obtain the full disk solar vector magnetic field image with the SMART.
(3)We succeeded in keeping the temperature inside of the telescope tubes to be in the range from 30 degrees to 20 degrees throughout a year in the atomospheric temperature variation from -17degrees (in winter) to 30 degrees (in summer) to stabilize the many kinds of optical elements in their best condition.
We also succeeded in getting many new findings in the studies of mechanism of solar flare and solar plasm ejections called as Halpha surge by using the Hida Domeless Solar Telescope and Satellite instruments such as TRACE and SOHO, and we published these results in many papers which are summarized in a report book.
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Research Products
(15 results)
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[Journal Article] Flare Ribbon Expansion and Energy Release Rate.2004
Author(s)
Asai, A., Yokoyama, T., Shimojo, M., Masuda, S., Kurokawa, H., Shibata, K.
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Journal Title
Astrophy. J. 611
Pages: 557
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Flare Ribbon Expansion and Energy Release Rate.2004
Author(s)
ASAI, A., YOKOYAMA, T., SHIMOTO, M., MASUDA, S., KUROKAWA, H,.SHIBATA, K.
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Journal Title
Astrophy.J. 611
Pages: 557
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Filament Oscillations and Moreton Waves Associated with EIT Waves.2004
Author(s)
OKAMOTO, T.J., NAKAI, H, KEIYAMA, A ; NARUKAGE, N ; UENO, S ; KITAI, R ; KUROKAWA, H ; SHIBATA, K.
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Journal Title
Astrophy.J. 608
Pages: 1124
Description
「研究成果報告書概要(欧文)」より
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