Development of Multiple Object Dispersed Fixed-delay Interferometry for An All sky Extrasolar Planet Survey with the APO 2.5m Telescope

该项目将进一步开发一种多目标分散的固定延迟干涉仪，并测试其最终用于在阿帕奇点天文台2.5米(斯隆)望远镜上进行全天空太阳系外行星调查。这项技术最初是在国家科学基金会的资助下开发的，2005年利用基特峰国家天文台0.9米和2.1米的望远镜成功发现了一颗新行星，证明了它的敏感性。自那以后，它被改装并成功地用于斯隆望远镜。在本项目中，这项技术将进一步发展，用于多目标能力使能调查工作。这将涉及到相位传感和锁定、径向速度校准和长期稳定性、多光纤安装和耦合、光纤插入和配准以及数据管道。利用这台仪器进行的观测对于了解行星的形成、行星的迁移和演化、太阳系外行星的物理特征范围以及行星的形成与其宿主恒星的性质(包括金属丰度)和环境之间的关系将是重要的。

This project is to further develop a multiple object dispersed fixed-delay interferometer and to test it for its eventual use conducting the All Sky Extrasolar Planet Survey at the Apache Point Observatory 2.5meter (Sloan) telescope. The technology, initially developed under National Science Foundation funding, has successfully discovered a new planet using the Kitt Peak National Observatory 0.9meter and 2.1meter telescopes in 2005 demonstrating its sensitivity. It has since been modified and successfully used at the Sloan telescope. In this project, this technology will be further developed for multiple object capability enabling survey work. This will involve phase sensing and locking, radial velocity calibration and long term stability, multi-fiber mounting and coupling, fiber plugging and registration, and data pipeline. The observations made with this instrument will be important to understand planet formation, planet migration and evolution, the range of physical characteristics of extrasolar planets, and the relationship between planet formation and its host star properties (including metalicity) and environments.