Millimeter-wavelength transients and sources with the Atacama Cosmology Telescope and the Simons Observatory

阿塔卡马宇宙学望远镜和西蒙斯天文台的毫米波瞬变和源

• 批准号: 2206344
• 负责人: Kevin Huffenberger
• 金额: $ 64.78万
• 依托单位: Florida State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-09-01 至 2025-08-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2206344&HistoricalAwards=false
• 关键词: Millimeter; wavelength; transients; sources; Atacama

Precision measurements of the cosmic microwave background radiation seek a clearer picture of the physics of the Big Bang. The telescopes that take such data also capture light from stars and galaxies that emit at the same wavelengths. This project would build software pipelines that take advantage of these measurements. Each day, these telescopes scan the sky and make an updated image, letting sources that are variable to be identified. During this decade, upgraded telescopes will produce more and better data of this kind. Such time-resolved data will permit new classes of unknown phenomena to be found. This may include exceptional supernovae, gamma ray bursts, tidal disruptions of stars around supermassive black holes, stellar flares and the discovery of additional bodies in the solar system, including a hypothetical and undiscovered Planet 9. The excitement of this project will be conveyed to the public via a variety of outreach programs including one targeting people living in rural areas near Tallahassee.New, time-domain studies of wide-field millimeter-wave surveys are opening a vast, unexplored discovery space. In this project, millimeter-wave transients and point-like sources will be identified using data from the Advanced Atacama Cosmology Telescope, now surveying areas that exceed 18,000 square degrees, and the Simons Observatory, which by the mid-2020s will produce more sensitive measurements over a similar area. Software tools and pipelines will be developed to (1) develop and implement a system to mine daily Simons Observatory data based on real-time transient alerts; (2) perform triggered and blind searches for mm-wave transients in archival and live data; (3) prepare and release point source catalogs in temperature and polarization for the ACT and Simons Observatory surveys; and (4) support a follow-up program for high redshift source candidates. The project supports a number of outreach programs that involve the general public, K-12 students and undergraduate as well as graduate students.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.

对宇宙微波背景辐射的精确测量，寻求更清晰的宇宙大爆炸物理学图景。获取这些数据的望远镜也能捕捉到来自恒星和星系发出的相同波长的光。这个项目将构建利用这些度量的软件管道。每天，这些望远镜都会扫描天空，制作一幅更新的图像，让变化的光源得以识别。在这十年里，升级后的望远镜将产生更多更好的这类数据。这种时间分辨的数据将允许发现新的未知现象类别。这可能包括特殊的超新星、伽马射线暴、超大质量黑洞周围恒星的潮汐破坏、恒星耀斑和太阳系中其他天体的发现，包括一颗假设的、未被发现的行星9。这个项目的兴奋之处将通过各种各样的外展项目传达给公众，其中包括一个针对塔拉哈西附近农村地区的人的项目。新的宽视场毫米波测量的时域研究正在打开一个巨大的、未开发的发现空间。在这个项目中，毫米波瞬变和点状源将使用先进的阿塔卡马宇宙学望远镜和西蒙斯天文台的数据来识别，该望远镜目前正在测量超过1.8万平方度的区域，到本世纪20年代中期，西蒙斯天文台将在类似的区域进行更灵敏的测量。将开发软件工具和管道，以(1)开发和实施一个系统，以挖掘基于实时瞬态警报的西蒙斯天文台每日数据；(2)对档案和实时数据中的毫米波瞬态进行触发和盲查；(3)为ACT和Simons天文台的调查准备和发布温度和极化点源目录；(4)支持高红移候选源的后续计划。该项目支持一些涉及公众、K-12学生、本科生和研究生的外展项目。该奖项反映了美国国家科学基金会的法定使命，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。