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首页> 美国政府科技报告 >Washington Double Star Catalog Cross Index (1950 Position Sort)
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Washington Double Star Catalog Cross Index (1950 Position Sort)

机译：华盛顿双星目录交叉索引（1950位排序）

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A machine-readable version of the Washington Catalog of Visual Double Stars (WDS)was prepared in 1984 on the basis of a data file that was collected and maintained for more than a century by a succession of double-star observers. Although this catalog is being continually updated, a new copy for distribution is not expected to be available for a few years. The WDS contains DM numbers, but many of these are listed only in the notes, which makes it difficult to search for double-star information, except by position. Hence, a cross index that provides complete DM identifications is desirable, and it appears useful to add HD numbers for systems in that catalog. Aitken Double Star (ADS) numbers were retained from the WDS, but no attempt was made to correct these except for obvious errors.

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