new ArrayList<gaiasimu.universe.source.AstroSource>();
objList.add( source );
// Erase old UMStellar file, if available, and write the new one
( new File ( umStellarFile ) ).delete();
WriteMDBICD writer = new WriteMDBICD( umStellarFileDir );
writer.launchWrite( objList, false );
// Erase old GOG output files, if available
( new File ( GOG_EPOCH_ASTROMETRY_FILE) ).delete();
for (String gogOutputFile : gogOutputFiles){
( new File ( gogOutputFile ) ).delete();