ORBIT AND MASS OF ALGOL
ORBIT AND MASS OF ALGOL
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大陵五的轨道和质量
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通讯作者：
H. Vogel
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作者：
H. Vogel
11月28日，波茨坦天体物理天文台的主任h·c·沃格尔教授和天文学家沙伊纳博士向柏林科学院通报了一项非常重要的发现。我从1889年科学院的《研究报告》（第1045页）中摘录如下：“1888- 1889年冬季拍摄的三张大耳座光谱底片显示，在最小值之前，大耳座正在远离太阳，而在最小值之后，它正在向太阳移动。1889年11月的三次新观测证实了这一结果。这些观测结果加在一起，有力地支持了一个理论，即大陵五的光线变化的原因是由一颗围绕它旋转的黑暗（看不见的）卫星造成的这颗恒星的日食。这种现象可以通过假设两个物体的尺寸的以下细节来解释：-
On the 28th of November a very important discovery was communicated to the Academy of Sciences of Berlin by Professor H. C. Vogel, Director, and Dr. Scheiner, Astronomer of the Astrophysikalisches Observatorium of Potsdam. I condense from the Sitzungsberichte of the Academy, 1889, (page 1045), the following :— “ Three photographic negatives of the spectrum of Algol taken during the winter of 1888-9 showed that before a minimum Algol was moving away from the sun, and after a minimum it was moving towards it. Three new exposures of November, 1889, confirm this result. The observations taken together afford a very strong support to the theory that the cause of the variations in the light of Algol is to be found in the eclipses of this star by a dark (invisible) satellite revolving about it. The phenomena can be explained by assuming the following particulars of the dimensions of the two bodies :—