12/28/2023 0 Comments Download Star Atlas![]() ![]() The full column information for the MAST version of the catalog can be found in the README file and also in the table notes section in MAST CasJobs under MyDB: select "HLSP_ATLAS_REFCAT2" from the Context drop-down, then click on the "NOTES" button in the table display on the right of the page. 2018: coordinates are converted into degrees, parallax and proper motions are converted into milliarcseconds and milliarcseconds per year, respectively, magnitudes are given in full magnitude, χ 2/DOF values are not scaled, and the bitmasks have been "collapsed" into integer representations. ![]() The units for the columns in the MAST version have been converted to slightly different units than what is documented in Tonry et al. The Refcat2 data are also available as gzipped CSV files in Dec zones, with columns converted to standard astronomical units. Note this software is provided "as-is" by the author and is not maintained by MAST. The original catalog has the following name convention: hlsp_atlas-refcat2_atlas_ccd_-m-_multi_v1_cat.tbz Tonry to Refcat2 data files in a directory, and returns all the stars within a distance of a given coordinate. A program refcat.c with man page refcat.man is provided by J. 2018. These are compressed tarballs of 64800 CSV files for each coordinate square degree. The original catalog formats are organized into magnitude chunks, as described in Tony et al. ![]()
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