		  
objID              = dvo = average.extID   [calculated in addstar]
gcObjID            = dvo = average.extIDgc [not done]
ippObjID           = dvo = average.objID + (average.catID << 32)
surveyID           = ipptopsps
skyCellID          = ipptopsps / smf header
randomStackObjID   = ipptopsps (RANDOM on sql into mysql)
stackDetectRowID   = PSPS ?
primaryDetection   = dvo 
bestDetection      = dvo ?
                   = 
dvoRegionID        = dvo = average.catID
dataRelease        = ippToPsps
--
--
--
--
gippDetectID       = dvopsps.ippDetectID = dvo:measure.detID = smf / IPP_IDET
gstackDetectID     = dvopsps.detectID = dvo:measure.extID [calculated in addstar: psps stack detect ID]
gstackMetaID       = smf header 
--
gra                = dvo = average.Rstk [relastro]
gdec               = dvo = average.Dstk [relastro]
graErr             = dvo = average.dRstk [relastro]
gdecErr            = dvo = average.dDstk [relastro]
gzp                = dvo [relphot] -- XXX define this more exactly
gPSFMag      	   = dvo
gPSFMagErr   	   = dvo
gApMag       	   = dvo
gApMagErr    	   = dvo
gKronMag     	   = dvo
gKronMagErr  	   = dvo
gsky               = smf
gskyErr            = smf
ginfoFlag          = smf
ginfoFlag2         = smf
gnFrames           = smf

[NOTE: for stacks, dvo only needs to determine the 
       primary measurement (and modified zero point?).
