Note: the J2000 coordinates are not part of the original catalogue; their accuracy can be low, see the CooFlag column
Note: Detailed introduction can be found in intro.tex (see also http://aries.usno.navy.mil/ad/ac.html) Direct links to Hipparcos and Tycho observations are provided from the relevant columns.
Note: The data from the Catalogue of Nearby Stars are directly accessible from the Woolley column
Note: See also the ARICNS (Astronomische Rechen-Institut database for Nearby Stars); some errors can be found in notes.tex
Note: Errors found in the Final IUE Merged log are reported in the file errata.htx
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