Publications of the Astronomical Society of the Pacific, the technical journal of the Astronomical Society of the Pacific (ASP), has been published regularly since 1889, as part of the ASP’s mission ...
The following is an excerpt from The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars, by Dava Sobel. The monumental work of stellar classification known as the ...
MK classifications are presented for the components of close visual double stars with separations mostly between one and three arc seconds. Twenty-one pairs have individual components classified, four ...
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