US-France Cooperative Research: Multi-Wavelength Observations and Detailed Models of Cyanopolyyne Molecules in Astrophysical Environments

美法合作研究：天体物理环境中氰基聚炔分子的多波长观测和详细模型

• 批准号: 0340750
• 负责人: Mark Morris
• 金额: $ 1.92万
• 依托单位: University of California-Los Angeles
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-02-01 至 2007-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0340750&HistoricalAwards=false
• 关键词: US; France; Cooperative; Research; Multi

0340750MorrisThis three-year U.S.-France cooperative research project in astrochemistry addresses the abundant and ubiquitous cyanopolyyne family of molecules, which are found in a variety of cosmic environments. These linear molecules emit strong and numerous radio signals. Furthermore, their vibrations can be detected in warm regions of the spectrum, which renders them excellent probes of star-forming cloud cores, protoplanetary disks, and of gas outflows from dying stars. The U.S. investigator, Mark Morris of the University of California at Los Angeles, and the French investigator, Laurent Wiesenfeld of the Universite de Grenoble I, will investigate the astrophysical value of the molecule family cyanopolyynes. They will first calculate collision probabilities to construct a model of cyanopolyyne line emissions, then, observe these molecules at radio and infrared facilities in Europe and in the U.S. The project takes advantage of complementary expertise of the U.S. and French investigators and provides access to a single-dish millimeter telescope, IRAM, located in Granada, Spain. An American graduate student will participate in the theoretical calculations and observations. The National Science Foundation (NSF) and the Centre National de la Recherche Scientifique (CNRS) support this joint project. NSF provides funding for visits to France and to Spain by the U.S. investigator and his student. The CNRS will cover the expenses of visits to the United States and Spain by the French investigator.

0340750莫里斯这三年美国-法国天体化学合作研究项目研究了在各种宇宙环境中发现的大量和普遍存在的氰基聚炔分子家族。 这些线性分子发射出强大而众多的无线电信号。此外，它们的振动可以在光谱的温暖区域被检测到，这使得它们成为恒星形成云核心，原行星盘和垂死恒星气体流出的优秀探测器。 美国研究人员、加州大学洛杉矶分校的马克·莫里斯和法国研究人员、格勒诺布尔第一大学的洛朗·维森费尔德将研究氰基多炔分子家族的天体物理学价值。 他们将首先计算碰撞概率，以构建氰基聚炔线发射的模型，然后在欧洲和美国的无线电和红外设施中观察这些分子。该项目利用了美国和法国调查人员的互补专业知识，并提供了位于西班牙格拉纳达的单碟毫米望远镜IRAM。 一名美国研究生将参与理论计算和观察。 国家科学基金会（NSF）和国家科学研究中心（CNRS）支持这一联合项目。 美国国家科学基金会为美国调查员和他的学生访问法国和西班牙提供资金。 法国国家科学研究中心将支付法国调查员访问美国和西班牙的费用。