论文标题
长周期黯然失色的二进制:朝着真正的质量露光关系。 I.测试样本,观察和数据分析
Long-period eclipsing binaries: towards the true mass-luminosity relation. I. The test sample, observations and data analysis
论文作者
论文摘要
质量稀疏性关系是天体物理学的基本定律。我们已经提出,当前使用的质量亮度关系对于m/m_sun> 2.7质量范围是不正确的,因为它是使用双衬里的折叠二进制文件创建的,其中组件是同步的,因此会改变对方的进化路径。为了排除这种效果,我们已经启动了一个项目,以研究长周期巨大的黯然失色的二进制文件,以构建径向速度曲线并确定组件的质量。我们概述了我们的项目,并将选定的测试样品与第一个HRS/盐光谱观测值以及软件包FBS(拟合二进制恒星)一起介绍,我们开发了用于分析光谱数据的。作为第一个结果,我们从我们的测试样品中介绍了FP CAR二进制系统的两个组件的径向速度曲线和最佳拟合轨道元件。
The mass-luminosity relation is a fundamental law of astrophysics. We have suggested that the currently used mass-luminosity relation is not correct for the M/M_sun > 2.7 range of mass since it was created using double-lined eclipsing binaries, where the components are synchronized and consequently change each other's evolutionary path. To exclude this effect we have started a project to study long-period massive eclipsing binaries in order to construct radial velocity curves and determine masses for the components. We outline our project and present the selected test sample together with the first HRS/SALT spectral observations and the software package, FBS (Fitting Binary Stars), that we developed for the analysis of our spectral data. As the first result we present the radial velocity curves and best-fit orbital elements for the two components of the FP Car binary system from our test sample.