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Other photometric observations (detections)

Due to overlaps in imaging stripes, the SDSS sometimes observes the same object more than once. In such cases, we select one observation as PRIMARY (mode=1). Each astronomical object is assigned a thingID, and each time that "thing" is observed (detected in SDSS imaging), it assigned a separate objID.

Information about each astronomical "thing" is stored in the thingIndex table; thingIndex is a thin coupling table designed only to connect repeat observations. Information about each individual observation (detection) is in the photoObjAll table. (Note that photoObj contains only the primary [mode=1] and secondary [mode=2] observations of each "thing.") The detectionIndex table connects each objID to the thingID it corresponds with.

This detected object and its associated "Thing" (Primary observation)

IAU nameobjidthingidmode description
SDSS J002938.37+002437.31237657191445299439104292123PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376571914452994391042921231PRIMARY
12376573632256410671042921232SECONDARY
12376600089410273841042921232SECONDARY
12376602365725901091042921232SECONDARY
12376632043805084031042921232SECONDARY
12376633117540352921042921232SECONDARY
12376635050438821381042921232SECONDARY
12376635436992430531042921232SECONDARY
12376637412505026641042921232SECONDARY
12376663010736865651042921232SECONDARY
12376663397218386011042921232SECONDARY
12376663826618779321042921232SECONDARY
12376664084456407701042921232SECONDARY
12376664986147881491042921232SECONDARY
12376665415621674301042921232SECONDARY
12376666360743855681042921232SECONDARY
12376666618449101581042921232SECONDARY
12376784332543754981042921232SECONDARY
12376458784853854181042921232SECONDARY
12376530129766318141042921232SECONDARY
12376568521238119871042921232SECONDARY
12376568564092764701042921232SECONDARY
12376569079689380161042921232SECONDARY
12376571055260303641042921232SECONDARY