######################################################## ### Release Note for the ChaMP point source catalog ### ######################################################## (1) 2006/04/29 The first version of the ChaMP point source catalog was posted. The hardness ratio HR, X-ray colors C21 and C32, and their errors were calculated with the BEHR program (version 05-03-2005). (2) 2006/08/09 The hardness ratio HR, X-ray colors C21 and C32, and their errors were re-caculated with a new version of the BEHR program (version 07-27-2006, Park et al. 2006, astro-ph/0606247, See http://hea-www.harvard.edu/AstroStat/BEHR/).