Algol型双星的观测研究
发布时间：2018-12-11 03:14
【摘要】：正Algol型双星是双星的一种,其独特的半接结构使它拥有丰富的物理现象,包括严重畸变的充满子星、强磁活动现象,物质转移的各种形式,完全迥异于单星的演化状态和特有的形成历史.本文对双星光变曲线的基础物理做了介绍,同时介绍了历史上的各个模型或程序.展示了各个物理参数对光变曲线的影响,包括倾角、温度、金属丰度、表面重力加速度、第3光、半径、轨道椭率和轨道近点角等.根据已有星表统计了Algol型双星的性质,并对3颗样本星进行了具体的观测和分析,结果如下:
[Abstract]:Positive Algol binaries are one of the binary stars. Their unique semi-junction structure makes them rich in physical phenomena, including seriously distorted filling stars, strong magnetic activity, and various forms of mass transfer. It is completely different from the evolution state and unique formation history of single star. In this paper, the basic physics of double star light variation curve is introduced, and various models or programs in history are also introduced. The effects of various physical parameters on the photovariation curves are shown, including inclination, temperature, metal abundance, surface gravity acceleration, third light, radius, orbital ellipticity and orbital near-point angle, etc. The properties of Algol binary stars are statistically analyzed according to the existing catalogs, and three sample stars are observed and analyzed in detail. The results are as follows:
【作者单位】： 中国科学院云南天文台;
【分类号】：P153
本文编号：2371763
[Abstract]:Positive Algol binaries are one of the binary stars. Their unique semi-junction structure makes them rich in physical phenomena, including seriously distorted filling stars, strong magnetic activity, and various forms of mass transfer. It is completely different from the evolution state and unique formation history of single star. In this paper, the basic physics of double star light variation curve is introduced, and various models or programs in history are also introduced. The effects of various physical parameters on the photovariation curves are shown, including inclination, temperature, metal abundance, surface gravity acceleration, third light, radius, orbital ellipticity and orbital near-point angle, etc. The properties of Algol binary stars are statistically analyzed according to the existing catalogs, and three sample stars are observed and analyzed in detail. The results are as follows:
【作者单位】： 中国科学院云南天文台;
【分类号】：P153
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