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Interaction of water with organic matter in comets: Evidence of material transport in protoplanetary disks

Research Project

Project/Area Number 24K07118
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 17010:Space and planetary sciences-related
Research InstitutionHiroshima University

Principal Investigator

薮田 ひかる  広島大学, 先進理工系科学研究科(理), 教授 (30530844)

Project Period (FY) 2024-04-01 – 2027-03-31
Project Status Granted (Fiscal Year 2024)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2026: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2025: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2024: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords彗星有機物 / 水質変成 / 原始惑星系円盤 / 物質移動 / 小惑星
Outline of Research at the Start

HCNポリマーの水質変成実験を様々な温度・時間・pH・試料/水比で行う。得られた実験生成物(固体成分、抽出性成分)の網羅的な化学分析を行い、実験生成物の組成を超炭素質南極微隕石(UCAMM)と比較することにより、彗星有機物の水質変成条件に制約を与える。また、円盤での物質移動に伴う彗星の水質変成が引き起こす有機物の化学進化を分子レベルで明らかにする。

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Published: 2024-04-05   Modified: 2024-06-24  

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