On the Origin of the Auroral Green Line 5577 Angstrom, and Other Spectra Associated with the Aurora Borealis
On the Origin of the Auroral Green Line 5577 Angstrom, and Other Spectra Associated with the Aurora Borealis
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关于极光绿线 5577 Angstrom 的起源以及与北极光相关的其他光谱
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通讯作者：
G. M. Shrum
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作者：
J. Mclennan;G. M. Shrum
人们对北极光及其相关问题的兴趣，已通过针对该主题发表的大量仔细调查得到证明。自安斯特罗姆的早期工作以来，我们已经发表了一百多项关于光谱的调查记录，以及许多其他关于极光起源或其他现象特征的调查记录。保尔森、韦斯特曼。 Sykora、Vegard 和其他人已经确定了一般极光光谱的许多谱线的波长，而最近，Slipher、Rayleigh 和 Babcock 研究了夜空的光。巴布科克使用法布里和珀罗干涉仪非常准确地确定了极光绿线 5577 的波长。他的测量精度与低色散光谱仪获得的测量结果形成鲜明对比。关于极光光谱激发的实验室实验并不比光谱研究少。最近的工作是由斯塔克进行的。雷利和维加德。在仔细检查这些报告中获得的所有结果后，我们只能说，造成极光的宇宙射线的确切性质仍然是一个谜。
The interest in the Aurora Borealis and the problems associated with it, is evidenced by the extensive list of careful investigations that have been published upon this subject. Since the early work of Angstrom, we have the published records of over a hundred investigations on the spectrum, and many others on the origin or other phenomena characteristic of the aurora. Paulsen, Westman. Sykora, Vegard, and others have determined the wave-lengths of many of the lines of the general auroral spectrum, while, recently, Slipher, Rayleigh, and Babcock, have studied the light of the night sky. Babcock, using a Fabry and Perot interferometer, determined very accurately the wave-length of the auroral green line 5577. The precision of his measurements is in marked contrast to those obtained with low dispersion spectrographs. The laboratory experiments on the excitation of the auroral spectrum have not been less numerous than the spectroscopic investigations. The more recent work has been carried out by Stark. Rayleigh, and Vegard. After a careful examination of all the results obtained in these reports, we may only say that the exact nature of the cosmical rays, responsible for the aurora, remains a mystery.