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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 J000038.66+011426.31237678617417875953124238252PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376786174178759531242382521PRIMARY
12376666371449816651242382522SECONDARY
12376663837324740511242382522SECONDARY
12376663407923694091242382522SECONDARY
12376663021442828481242382522SECONDARY
12376637423210334251242382522SECONDARY
12376635447697739041242382522SECONDARY
12376634631482902561242382522SECONDARY
12376633128245659991242382522SECONDARY
12376632054511044721242382522SECONDARY
12376602376431209521242382522SECONDARY
12376573642961717551242382522SECONDARY
12376571925158955591242382522SECONDARY
12376571065965611981242382522SECONDARY
12376569090394688381242382522SECONDARY
12376568531943426871242382522SECONDARY
12376666629155063971242382522SECONDARY
12376664996853188461242382522SECONDARY
12376664095162370281242382522SECONDARY
12376635061144783001242382522SECONDARY
12376600100115580681242382522SECONDARY
12376458795559815951242382522SECONDARY