MRI: Acquisition of instrumentation for a node in the global SONG observing network for ultra high-precision seismology of bright stars

MRI：为全球 SONG 观测网络中的一个节点采购仪器，以进行亮星超高精度地震学研究

• 批准号: 2215941
• 负责人: Jason Jackiewicz
• 金额: $ 95万
• 依托单位: New Mexico 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=2215941&HistoricalAwards=false
• 关键词: MRI; Acquisition; instrumentation; node; global

SONG in New Mexico is a robotic telescope combined with an ultra-precise spectrograph that will be an addition to the Stellar Observations Network Group (SONG). This international collaboration will obtain near-continuous observations of bright, oscillating stars in order to study their structure. Understanding stars is a fundamental goal of astrophysics as stars are the most basic building blocks of galaxies and the universe. This will be the only U.S. participating facility in the global SONG project. It will provide the key link to allow 24-hour coverage that is needed to accomplish the scientific goals. The observations will lead to an improved understanding of a wide variety of stars, including target stars that host Earth-like planets. This new facility overlaps significantly with the interests of the students and faculty in astronomy at New Mexico State University, providing long-term educational and research benefits and commitment.Oscillating stars have turbulent motions within them that generate sound waves that cause the majority of them to wobble and ring like bells. The measurement and analysis of these acoustic oscillations is the primary means to study the interior of a star. This project will acquire and assemble a telescope and spectrograph instrument that will close a gap in the world-wide SONG network dedicated to monitoring oscillating stars 24 hours per day. The state-of-the-art spectrograph comes from a well-tested design and has already demonstrated radial-velocity precision of about 1 meter-per-second. The goals this facility enables are to perform asteroseismology of stars to obtain the most detailed information possible, and to search for and characterize Earth-like planets around Sun-like stars. It complements past, current, and future space missions with similar science goals.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.

新墨西哥州的 SONG 是一台与超精密摄谱仪相结合的机器人望远镜，将成为恒星观测网络组 (SONG) 的补充。这项国际合作将获得对明亮振荡恒星的近乎连续的观测，以研究它们的结构。 了解恒星是天体物理学的基本目标，因为恒星是星系和宇宙最基本的组成部分。这将是美国唯一参与全球 SONG 项目的设施。它将提供实现科学目标所需的 24 小时报道的关键环节。这些观测将有助于加深对各种恒星的了解，包括拥有类地行星的目标恒星。这个新设施与新墨西哥州立大学天文学学生和教师的兴趣有很大重叠，提供长期的教育和研究效益和承诺。振荡恒星内部有湍流运动，产生声波，导致它们中的大多数像钟声一样摇晃并响起。这些声振荡的测量和分析是研究恒星内部的主要手段。该项目将采购并组装一台望远镜和摄谱仪，这将弥补全球 SONG 网络中每天 24 小时监测振荡恒星的空白。最先进的摄谱仪采用经过充分测试的设计，并已证明其径向速度精度约为每秒 1 米。该设施的目标是对恒星进行星震学，以获得尽可能详细的信息，并搜索和表征类太阳恒星周围的类地行星。它以类似的科学目标补充了过去、当前和未来的太空任务。该奖项反映了 NSF 的法定使命，并通过使用基金会的智力价值和更广泛的影响审查标准进行评估，被认为值得支持。