2002 Fiscal Year Final Research Report Summary
Rotation of Molecular Outflows
| Project/Area Number |
13640233
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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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 | Tokyo Gakugei University |
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Principal Investigator |
DOBASHI Kazuhito Tokyo Gakugei University, Department of Education, Associate Professor, 教育学部, 助教授 (20237176)
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| Co-Investigator(Kenkyū-buntansha) |
SATO Fumio Tokyo Gakugei University, Department of Education, Professor, 教育学部, 教授 (70154094)
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| Project Period (FY) |
2001 – 2002
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| Keywords | Molecular Outflow / Protostars / Molecular Cloud Core / Dark Cloud / Interstellar Medium / Star Formation / Molecular Clouds / Massive Stars |
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| Research Abstract |
We have attempted to detect rotation of molecular clouds along their axes. It has been a long-standing issue to probe into the possible rotational motion, because outflows should play an important role in star formation to release the huge amount of angular momentum in the parent molecular cloud cores which prevents the cores from collapsing. In this research, we observed two massive protostars IRAS 22134+5834 and GH2O 092.67+03.07 with some molecular emission lines in the millimeter wavelength including CO(J=1-0). In the case of IRAS 22134+5834, we detected an interesting velocity structure suggesting such motion, although the velocity field around this object is too complex to evidence the definite rotation. A clear rotational motion is detected in the case of the other object GH2O 092.67+03.07. We have already published the data for IRAS 22134+5834 at the end of 2001, and now are summarizing the results for IRAS 22134+5834 at the end of 2001, and now we are summarizing the results for GH2O 092.67+03.07, which will be published in a refereed journal within a year from now.
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