Improved obs. & analysis of eclipsing and other variables, tracers of stellar evolution & challenges to theory

变星，特别是星团中的变星，是了解恒星内在属性、起源、演化和命运的关键研究工具。借助新的光度红外滤光器系统，将提高红外可变星光曲线的精度，并改进光曲线建模代码和技术，我预计能够获得比以前更精确和准确的恒星参数。此外，卡尔加里大学Rothney天体物理天文台获得的数据将使我们能够继续利用Baker-Nunn巡逻相机发现新的变星，并利用RAO的0.4米和1.8米望远镜以及其他选址良好和维护良好的天文台进行观测。通过我参与印度-加拿大ASTROSAT任务的UVIT仪器，紫外线数据可能会被添加到广泛的数据套件中，以进一步完善选定情况下的恒星温度和星际变红。进一步的光曲线分析工具的改进将使从该任务、盖亚任务和其他任务获得的数据能够产生测试下一代恒星结构和演化模型所需的精确度和准确度。

Variables stars, especially those found in star clusters, are key research tools in understanding the intrinsic properties of the stars, their origins, evolution, and destinies.  With the help of a new photometric infrared filter system that will increase the precision of infrared variable star light curves, and with improved light curve modeling code and techniques, I expect to be able to obtain more precise and accurate parameters of stars than previously was possible. In addition, data obtained at the University of Calgary's Rothney Astrophysical Observatory will enable us to continue to make new variable star discoveries with the Baker-Nunn Patrol Camera, and to follow up those discoveries with observations with the 0.4-m and 1.8-m telescopes of the RAO and at other, well-sited and maintained observatories such as Mt. Laguna.  Through my involvement with the UVIT instrument on the Indo-Canadian ASTROSAT mission, UV data may be added to the broad suite of data to further refine both stellar temperatures and interstellar reddening for selected cases.  The improvement of further light curve analysis tools will permit data obtained from that mission, the GAIA mission, and others, to  yield the precision and accuracy required to test the next generation of stellar structure and evolution models.