| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
We have observed a cluster forming clump (MM3) associated with the infrared dark cloud G34.43+00.24 with the Atacama Large Millimeter/submillimeter Array (ALMA). We have found a young outflow (age < ~1000 yr) and a hot core toward the center of this clump. The size of the hot core is found to be much larger than that of the typical low-mass hot corinos, suggesting a high accretion rate or the presence of multiple star system harboring a few hot corinos. We have also found highly deuterated regions toward the center of the clump, although the DNC/HNC ratio of this clump is very low in the observations with the single-dish Nobeyama 45 m telescope. We think that the DNC and HNC emission observed with the single-dish telescope traces lower density envelopes, while that observed with ALMA traces higher density and highly deuterated regions.
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