CAREER: Understanding Our Dynamic, Young, Solar Neighborhood

职业：了解我们充满活力、年轻的太阳能社区

• 批准号: 2238468
• 负责人: Jacqueline Faherty
• 金额: $ 59.85万
• 依托单位: American Museum Natural History
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-03-01 至 2028-02-29
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2238468&HistoricalAwards=false
• 关键词: CAREER; Understanding; Our; Dynamic; Young

We can explore our local region of the galaxy by identifying objects that appear to move together. This investigator will produce a complete map of the dynamic, young, solar neighborhood. Within about 500 light years from the Sun, there are large, small, and medium sized families of stars, brown dwarfs, and planets that are moving through the Galaxy together. Some are tightly bound, some loosely bound, some breaking apart, and some are just newly formed. The goal of this project is to determine how these families form and evolve. In so doing, the research team will address fundamental questions about where stars come from and how they arrive at where they are now. New York City high school educators will be included as part of the project. Participants will further collaborate on creating cinematic visuals of the young solar neighborhood. Astrophysical three-dimensional visualizations and imagery provide insights to researchers and inspire the general public. This project will pair graphical plotting and clustering algorithm methods with visualization tools to create a comprehensive map of the 150 pc young (1 Gyr) solar neighborhood inclusive of high mass stars through to brown dwarf components. Coupling observed parameters such as kinematics and rotation rates that are available in public catalogs will permit a mapping of hierarchical structures like core clusters, tidal tails and surrounding coronae. This will enable an improved understanding of the local star formation history across the widest mass range possible. This information will be used to address questions such as how star forming structures evolve/dissipate/dissolve over time, the degree of uniformity of the initial mass function across young clusters in the solar neighborhood, and the evolution of stellar rotation and angular momentum with time and stellar mass. The scientific work will be integrated into a cohesive educational pipeline that includes developing planetarium presentations and videos for social media and course integration, with the assistance of a New York City high school earth science teacher. This material will be distributed to classrooms and science centers across the globe.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

我们可以通过识别似乎一起运动的物体来探索银河系的局部区域。 这位研究人员将绘制出一张完整的动态、年轻的太阳能社区地图。 在距离太阳大约500光年的范围内，有大、小、中型的恒星、褐矮星和行星家族一起在银河系中移动。有些是紧密结合的，有些是松散结合的，有些是分裂的，有些只是新形成的。 这个项目的目标是确定这些家庭是如何形成和发展的。 在这样做的过程中，研究小组将解决有关恒星从哪里来以及它们如何到达现在所在位置的基本问题。 纽约市的高中教育工作者将作为该项目的一部分。与会者将进一步合作，创造年轻的太阳能社区的电影视觉效果。天体物理三维可视化和图像为研究人员提供了见解，并激励了公众。该项目将图形绘制和聚类算法方法与可视化工具相结合，以创建一个150 pc年轻（1 Gyr）太阳邻域的综合地图，包括高质量恒星到棕矮星组件。耦合观测参数，如运动学和旋转速率，可在公共目录将允许映射的层次结构，如核心集群，潮汐尾和周围的日冕。 这将使人们能够更好地了解当地星星的形成历史，在最广泛的质量范围内。 这些信息将被用来解决问题，如星星形成结构如何随着时间的推移演变/消散/溶解，在太阳附近的年轻星团的初始质量函数的均匀程度，以及恒星旋转和角动量随时间和恒星质量的演变。科学工作将被纳入一个有凝聚力的教育管道，其中包括开发天文馆介绍和视频的社会媒体和课程整合，与纽约市高中地球科学教师的协助。 该奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。