Version 1.1: original version posted on 07/26/02  

Version 1.2: added erratum regarding 'Proper elements catalog ID' 
Version 1.3: updated SDSS acknowledgments (08/12/02) 
Version 1.4: added clarification for MJD (08/14/02)

Version 1.5: fixed conversion constant for MJD (08/19/02)

Version 1.6: added BLENDED to the query description (only a bug in the  
             html document, not in the distributed actual data file (04/25/03)

Version 1.7: added binary flag description, updated to the 3rd version (01/28/05)

Version 1.8: updated to the 4th version (08/13/08)