| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2024: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2023: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2022: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2021: ¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
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| Outline of Final Research Achievements |
(1) We developed two new broadband cooled receivers capable of receiving all of the target methanol maser emission lines with a single unit, and installed them on the Ibaraki University/Hitachi 32-m radio telescope and the Yamaguchi University/Yamaguchi 32-m radio telescope. (2) We conducted VLBI observations using these two receivers and succeeded in detecting fringes in the 12.2 GHz band. (3) We conducted high-cadence monitoring observations of 6.7 GHz and 12.2 GHz methanol masers using the Hitachi 32-m, detecting three brightening events during the research period and sending alerts to the Maser Monitoring Organization, a global follow-up observation network.
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