2011 Fiscal Year Final Research Report
Study of material circulation in the early solar nebula based on the infrared observations of comets and the laboratory investigations of dust grains
| Project/Area Number |
21740153
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Astronomy
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
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| Keywords | 光学赤外線天文学 / 太陽系 / 彗星 / ケイ酸塩鉱物 / 結晶質 |
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| Research Abstract |
Comets consist of primordial icy materials and refractory dust grains. Comets are considered to be pristine objects that provide precious clues about the formation of the solar system. In this study, we observed comets in near-and mid-infrared wavelengths using the Subaru telescope and the infrared satellite AKARI. We derived the relative abundances of crystalline silicate in dust grains and carbon dioxide in cometary ice for more than 10 comets.
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