UnISIS - Science Commissioning of a Laser Guide Star System

UnISIS - 激光导星系统的科学调试

• 批准号: 0096741
• 负责人: Laird Thompson
• 金额: $ 121.27万
• 依托单位: University of Illinois at Urbana-Champaign
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-07-01 至 2006-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0096741&HistoricalAwards=false
• 关键词: UnISIS; Science; Commissioning; Laser; Guide

AST-0096741Thompson, Laird A.UnISIS is a laser guided adaptive optics system located at the Coude focus of the Mount Wilson 2.5-m Telescope. It is unique in providing a test-bed for Rayleigh laser guide star work in astronomical adaptive optics. A three-year program has been defined to bring UnISIS through the Science Commissioning phase and to make some of the first deep-sky astronomical observations with a laser guided adaptive optics system. These science observations will be the highest priority aspect of this research work. In addition, the performance of UnISIS will be analyzed by comparing theoretical simulations (including atmospheric turbulence) with on-the-sky observations. This analysis should reveal the relative importance of factors such as (1) the deformable mirror fitting error, (2) focal anisoplanatism (i.e. laser guide star cone effect), (3) temporal sampling errors, and (4) signal-to-noise dependent errors at the wave front sensor. Both the science observations and the system performance analysis should have general application to other adaptive optics systems because the atmosphere above Mt. Wilson Observatory provides some of the best observing conditions in the world.This work will support a postdoctoral student through the NSF Center for Adaptive Optics.***

AST-0096741 Thompson，Laird A.UnISIS是位于威尔逊山2.5米望远镜Coude焦点的激光制导自适应光学系统。 它为天文自适应光学中的瑞利激光制导星星工作提供了一个独特的试验平台。 一个为期三年的计划已经确定，使UnISIS通过科学调试阶段，并作出一些第一次深空天文观测与激光制导自适应光学系统。 这些科学观测将是这项研究工作的最高优先事项。 此外，还将通过比较理论模拟（包括大气湍流）和空中观测来分析UnISIS的性能。 该分析应揭示诸如以下因素的相对重要性：（1）可变形反射镜拟合误差，（2）焦点非等晕性（即，激光引导星星锥效应），（3）时间采样误差，以及（4）波前传感器处的信噪比相关误差。 科学观测和系统性能分析对其他自适应光学系统具有普遍的应用价值。威尔逊天文台提供了世界上最好的观测条件。这项工作将通过NSF自适应光学中心支持博士后学生。*