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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 J014501.72-004257.3123766378313515069477997539PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237663783135150694779975391PRIMARY
1237663890493604614779975392SECONDARY
1237667128899273404779975392SECONDARY
1237676324429169301779975392SECONDARY
1237646010557792606779975392SECONDARY
1237646504468152888779975392SECONDARY
1237646646203712020779975392SECONDARY
1237653011374211924779975392SECONDARY
1237657108739719830779975392SECONDARY
1237657868951617617779975392SECONDARY
1237659754455303151779975392SECONDARY
1237659883289051889779975392SECONDARY
1237660025052136406779975392SECONDARY
1237660205411008531779975392SECONDARY
1237660222622794334779975392SECONDARY
1237660334260617934779975392SECONDARY
1237663276328616594779975392SECONDARY
1237663525456053089779975392SECONDARY
1237663714415215570779975392SECONDARY