There are two file associated with Sgr: 
 
control.cal 
sgr.cal
 
The first contains the photometry from the control field and the second 
contains the data for the Sgr field.  Details about the fields is provided in 
the text of the accompanying paper. The photometry in the files is calibrated 
as described in the paper.

Both files are compressed using GNU gzip program. (type gunzip *.gz to 
uncompress)