2013 Fiscal Year Final Research Report
Simultaneous optical and NIR polarimetry of compact objects accompanied with astrophysical jets
| Project/Area Number |
23340048
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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 | Hiroshima University |
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Principal Investigator |
KAWABATA koji 広島大学, 宇宙科学センター, 准教授 (60372702)
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| Co-Investigator(Renkei-kenkyūsha) |
YAMASHITA Takuya 国立天文台, TMT推進室, 教授 (00211631)
FUKAZAWA Yasushi 広島大学, 大学院・理学研究科, 教授 (60272457)
YOSHIDA Michitoshi 広島大学, 宇宙科学センター, 教授 (90270446)
UEMURA Makoto 広島大学, 宇宙科学センター, 准教授 (50403514)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 光学赤外線天文学 / 偏光 / ジェット / 活動銀河核 / ガンマ線バースト |
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| Research Abstract |
We have developed a wide-band polarimetric module dedicated for the Hiroshima Optical and Near-InfraRed camera (HONIR) and realized a high-precision polarimetric capability at wavelengths 0.5 -- 2.4 microns. We also performed polarimetric monitoring observations of active galactic nuclei, gamma-ray burst, and other cosmic jet objects with HONIR and HOWPol (Hiroshima One-shot Wide-field Polarimeter) mounted to Kanata 1.5-m telescope of Hiroshima University, and revealed possible mechanism of strong emission from the jet and the geometry of magnetic field within the emitting region of these objects.
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[Journal Article] Correlation between Interstellar Polarization and Dust Temperature : Is the Alignment of Grains by Radiative Torques Ubiquitous?2011
Author(s)
Matsumura, M., Kameura, Y., Kawabata, K. S., Akitaya, H., Isogai, M., Seki, M
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Journal Title
Publications of the Astronomical Society of Japan
Volume: 63
Pages: L43-L47
Peer Reviewed
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[Journal Article] Photopolarimetric Monitoring of Blazars in the Optical and Near-Infrared Bands with the Kanata Telescope. I. Correlations between Flux, Color, and Polarization2011
Author(s)
Ikejiri, Y., Uemura, M., Sasada, M., Kawabata, K. S, et al. (計13名)
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Journal Title
Publications of the Astronomical Society of Japan
Volume: 63
Pages: 639-675
Peer Reviewed
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