1999 Fiscal Year Final Research Report Summary
| Project/Area Number |
10044078
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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 |
MAIHARA Toshinori Graduate School of Science, KYOTO UNIVERSITY, Professor, 大学院・理学研究科, 教授 (90025445)
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| Co-Investigator(Kenkyū-buntansha) |
OHTA Kohji Graduate School of Science, KYOTO UNIVERSITY, Associate Professor, 大学院・理学研究科, 助教授 (50221825)
IWAMURO Fumihide Graduate School of Science, KYOTO UNIVERSITY, Instructor, 大学院・理学研究科, 助手 (80281088)
TAZAWA Yuji Graduate School of Science, KYOTO UNIVERSITY, Instructor, 大学院・理学研究科, 助手 (60124757)
NAKAJIMA Tadashi National Astronomical Observatory, Assistant, 光赤外研究系, 助手 (20300709)
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| Project Period (FY) |
1998 – 1999
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| Keywords | Cosmology / Galaxies / Star formation / Galaxy count / Infrared / Subaru Telescope / Galaxy correlation / Galaxy formation |
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| Research Abstract |
The observational research of deep infrared survey using the newly commissioned Subaru Telescope has successfully been performed. After developmental works in the first year, we have mounted an infrared imaging instrument called CISCO on the Cassegrain focus of Subaru Telescope since January of 1999.
The comprehensive two-band survey was conducted during the test/adjustment phase of the telescope from April to June, 1999. The obtained images in both the J and K' bands are unprecedently "deep" with very high image qualities, as we expected.
Data reductions and scientific discussions are described in the paper to be submitted to a Journal (PASJ), in which we have reported important findings such as, i) fairly small slopes of galaxy count index, but with no definite tendency of flattering, ii) existence of a certain number of extremely red objects, and iii) detection of extreme M sub-dwarfs in the halo region, etc.
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