Malt 90: A Molecular Multi-Line Survey of High-Mass Star-Forming Cores

杰克逊博士和他的团队在毫米天文学遗产团队90 GHz调查（MALT 90）的美国部分工作。MALT 90是一个大的系统的分子线调查密集的核心，并利用ATNF Mopra 22米望远镜的快速映射和90 GHz附近的16个分子线同时成像的能力。这个大型的国际项目调查了数千个致密分子核心的分子线发射，这些分子核心也是由ATLASGAL 870微米尘埃连续调查确定的。这些分子谱线探测了致密分子云核心的物理、化学和演化状态，这些核心代表了大质量恒星形成的早期阶段。目标核心跨越完整的演化范围，从前恒星核心，到原恒星核心，再到H II区域。这项工作处理和验证测量数据。此外，PI和他的团队将确定致密核心的运动学距离和银河系分布，探测银河系的螺旋结构，并将河外分子线-红外光度相关性与银河系核心进行比较。两名研究生将从事这项研究，作为他们博士论文的一部分。调查数据通过CSIRO ATNF在线望远镜档案（AOTA）向公众提供。MALT 90将在社区内产生广泛的影响，作为密集核心研究的宝贵资源。它将为阿尔马的后续观测提供一个巨大而重要的数据库，并将确定数十个感兴趣的大质量恒星形成核心目标。波士顿大学正在建立一个由天文学家、教育工作者和记者组成的跨学科团队，与洛厄尔天文台和发现号公司密切合作。一个主要的外展使命将是波士顿大学参与洛厄尔纳瓦霍霍人计划，该计划将天文学家送到纳瓦霍霍人学校的五年级教室。其中一个目标是将该计划扩展到波士顿艺术学院和其他波士顿公立学校。ATNF有一个积极的公共宣传计划，PI将在洛厄尔/波士顿大学和ATNF/MALT 90之间分享计划概念和内容材料，以推进国际范围内的公共宣传。该计划具有强大的国际组成部分，并在美国，澳大利亚，英国，德国，法国和日本天文学家之间产生新的科学协同作用。

Dr. Jackson and his team work on the US portion of the Millimeter Astronomy Legacy Team 90 GHz Survey (MALT90). MALT90 is a large systematic molecular line survey of dense cores and exploits the capability of the ATNF Mopra 22 m telescope for fast mapping and simultaneous imaging of 16 molecular lines near 90 GHz. This large, international project surveys molecular line emission from thousands of dense molecular cores which were also identified by the ATLASGAL 870-micron dust continuum survey. These molecular lines probe the physical, chemical, and evolutionary state in dense molecular cloud cores, which represent the early stages in the formation of high-mass stars. The target cores span the complete evolutionary ranges from pre-stellar cores, to protostellar cores, and on to H II regions. This work processes and verifies the survey data. In addition, the PI and his team will determine the kinematic distances and Galactic distribution of dense cores, which probe the Milky Way's spiral structure and compare the extragalactic molecular line-infrared luminosity correlations with those in Galactic cores. Two graduate students will work on this research as part of their PhD theses. The survey data are available to the public via the CSIRO ATNF Online Telescope Archive (AOTA). MALT90 will have broad impact within the community as a valuable resource for dense core studies. It will provide a huge, important database and will identify dozens of interesting targets of high-mass star-forming core for follow up observations with ALMA. Boston University is building an interdisciplinary team of astronomers, educators, and journalists to work closely with Lowell Observatory and Discovery, Inc. A major outreach mission will be Boston University's participation in the Lowell Navajo-Hopi program, which sends astronomers to 5th grade classrooms in Navajo-Hopi schools. One aim is to extend this program to the Boston Arts Academy and other Boston Public Schools. ATNF has an active public outreach program, and the PI will share program concepts and content materials between Lowell/Boston University and ATNF/MALT90 to advance public outreach on an international scale. The program has a strong international component and produce new scientific synergies between US, Australian, British, German, French, and Japanese astronomers.