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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 J022854.87+002253.31237666408458683292103521665PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376664084586832921035216651PRIMARY
12376664986278298121035216652SECONDARY
12376665415752095791035216652SECONDARY
12376666360874926391035216652SECONDARY
12376666618579524341035216652SECONDARY
12376667262550020851035216652SECONDARY
12376458784984932221035216652SECONDARY
12376465484963519431035216652SECONDARY
12376465871541377891035216652SECONDARY
12376529995340841921035216652SECONDARY
12376535793510646061035216652SECONDARY
12376565128229028641035216652SECONDARY
12376565471737938181035216652SECONDARY
12376565944242012891035216652SECONDARY
12376569723863696481035216652SECONDARY
12376570711634094311035216652SECONDARY
12376572343756391061035216652SECONDARY
12376575865595498861035216652SECONDARY
12376577626478352941035216652SECONDARY
12376578141956349771035216652SECONDARY
12376599144318894641035216652SECONDARY
12376600089540697941035216652SECONDARY
12376629681535058861035216652SECONDARY
12376632043936154231035216652SECONDARY
12376633289314141891035216652SECONDARY
12376635050569237521035216652SECONDARY
12376635437122856501035216652SECONDARY
12376663010867282861035216652SECONDARY
12376663397348803301035216652SECONDARY
12376663826749850061035216652SECONDARY