CAREER: Massive Star and Star Cluster Formation - the Key to Our Origins

职业生涯：大规模恒星和星团的形成-我们起源的关键摘要AST-0645412PI：Jonathan C TanDr。乔纳森·谭将通过建立大质量原恒星光谱能量分布的理论模型，并将其与观测结果进行比较，来测试局部大质量恒星形成的湍流核心吸积模型。谭博士将通过对红外暗云的系统消光和维里分析来研究星团形成的初始条件。谭博士将对我们银河系中心的恒星形成进行数值和解析建模。恒星形成吸积盘的模型将被改进，并与M87的观测结果进行对比测试。为了更好地约束第一批恒星的初始质量函数，将通过数值模拟来研究第三族恒星形成中的关键反馈过程--圆盘光蒸发。谭恩美还将在参观当地恒星形成区域的基础上开发一个公共推广演示文稿，其中几个区域正在作为该提案的一部分进行研究，广泛使用最新的天文图像。报告将强调大质量恒星和星团形成在理解我们的起源方面的重要性。这份报告将被纳入佛罗里达大学的本科生天文学入门课程，陈博士在佛罗里达自然历史博物馆组织的星夜公众推广活动，以及作为参观当地学校时提交的材料的一部分。该奖项由NSF天文科学部资助

CAREER: Massive Star and Star Cluster Formation - the Key to Our OriginsAbstractAST-0645412PI: Jonathan C TanDr. Jonathan Tan will test the Turbulent Core Accretion model of local massive star formation by creating theoretical models for the spectral energy distributions of massive protostars and comparing them to observations. Dr. Tan will study the initial conditions of star cluster formation by a systematic extinction and virial analysis of infrared dark clouds. Dr. Tan will perform numerical and analytic modeling of star formation in the center of our Galaxy. A model of star-forming accretion diskswill be refined and tested against observations of M87. The key feedback process in Population III star formation, disk photoevaporation, will be investigated with numerical simulations to better constrain the initial mass function of the first stars.Dr. Tan will also develop a public outreach presentation based on a tour of local star-forming regions, several of which are being studied as part of this proposal, making extensive use of the latest astronomical imagery. The presentation will emphasize the importance of massive star and star cluster formation in understanding our origins. This presentation will be incorporated into introductory undergraduate astronomy classesat the University of Florida, the Starry Night public outreach event Dr. Tan organizes at the Florida Museum of Natural History, and as part of the material presented atvisits to local schools.This award is funded by the NSF Division of Astronomical Sciences