We conducted the first light curve study of the binary star EL Tuc within the Binary Systems of South and North project's framework.The photometric observations were made using standard multiband BVR_cI_c filters ...We conducted the first light curve study of the binary star EL Tuc within the Binary Systems of South and North project's framework.The photometric observations were made using standard multiband BVR_cI_c filters at an observatory in Argentina.We presented a new ephemeris for EL Tuc and a linear fit to the O–C diagram,utilizing our extracted times of minima and additional literature.We employed the PHysics Of Eclipsing BinariEs Python code and the Markov chain Monte Carlo approach for the system's light curve analysis.The target system's light curve solution required a cold starspot on the hotter component.We conclude that EL Tuc is a total contact binary system with a low mass ratio of q=0.172±0.002,an orbital inclination of i=83°.74±0°.40,and a fillout factor of f=53.7%±1.6%.We used the P-a relationship and the Gaia Data Release 3 parallax method to determine the absolute parameters of EL Tuc to compare the precision of our results.This system was classified as W-type based on the mass and effective temperature of the companion stars.The positions of the systems were depicted on the M-L,M-R,T-M,and q-Lratiodiagrams.The relationship between the spectroscopic and photometric mass ratios of binaries was discussed.展开更多
目的实现Eclipse 11.0计划系统中计划靶区和辅助轮廓的自动生成。方法使用Auto Hotkey热键脚本语言,编写适用于Eclipse11.0计划系统的轮廓自动生成软件Contour Auto Margin(CAM),该软件由轮廓操作函数、脚本生成可视化和脚本文件操作模...目的实现Eclipse 11.0计划系统中计划靶区和辅助轮廓的自动生成。方法使用Auto Hotkey热键脚本语言,编写适用于Eclipse11.0计划系统的轮廓自动生成软件Contour Auto Margin(CAM),该软件由轮廓操作函数、脚本生成可视化和脚本文件操作模块构成。结果在临床上选取不同病种各10例,调用由CAM创建的模版脚本在计划系统下运行,模版脚本能完成轮廓自动产生及后处理,各病种自动与手动生成轮廓无差别。结论该软件界面友好,功能强大,能快速实现Eclipse11.0计划系统下计划优化前所需轮廓的自动生成,大大节约计划准备时间,提高放射治疗物理师工作效率。展开更多
文摘We conducted the first light curve study of the binary star EL Tuc within the Binary Systems of South and North project's framework.The photometric observations were made using standard multiband BVR_cI_c filters at an observatory in Argentina.We presented a new ephemeris for EL Tuc and a linear fit to the O–C diagram,utilizing our extracted times of minima and additional literature.We employed the PHysics Of Eclipsing BinariEs Python code and the Markov chain Monte Carlo approach for the system's light curve analysis.The target system's light curve solution required a cold starspot on the hotter component.We conclude that EL Tuc is a total contact binary system with a low mass ratio of q=0.172±0.002,an orbital inclination of i=83°.74±0°.40,and a fillout factor of f=53.7%±1.6%.We used the P-a relationship and the Gaia Data Release 3 parallax method to determine the absolute parameters of EL Tuc to compare the precision of our results.This system was classified as W-type based on the mass and effective temperature of the companion stars.The positions of the systems were depicted on the M-L,M-R,T-M,and q-Lratiodiagrams.The relationship between the spectroscopic and photometric mass ratios of binaries was discussed.
文摘目的实现Eclipse 11.0计划系统中计划靶区和辅助轮廓的自动生成。方法使用Auto Hotkey热键脚本语言,编写适用于Eclipse11.0计划系统的轮廓自动生成软件Contour Auto Margin(CAM),该软件由轮廓操作函数、脚本生成可视化和脚本文件操作模块构成。结果在临床上选取不同病种各10例,调用由CAM创建的模版脚本在计划系统下运行,模版脚本能完成轮廓自动产生及后处理,各病种自动与手动生成轮廓无差别。结论该软件界面友好,功能强大,能快速实现Eclipse11.0计划系统下计划优化前所需轮廓的自动生成,大大节约计划准备时间,提高放射治疗物理师工作效率。
