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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 J020615.98-001729.2123766378367431479787971955PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237663783674314797879719551PRIMARY
1237663891032768543879719552SECONDARY
1237667129438502944879719552SECONDARY
1237676324968333341879719552SECONDARY
1237646011096956958879719552SECONDARY
1237646505007382547879719552SECONDARY
1237646646742941701879719552SECONDARY
1237653011913441301879719552SECONDARY
1237657109278949399879719552SECONDARY
1237657869490847767879719552SECONDARY
1237659754994532364879719552SECONDARY
1237659883828215849879719552SECONDARY
1237660025591300130879719552SECONDARY
1237660205950173220879719552SECONDARY
1237660223162023954879719552SECONDARY
1237660334799781928879719552SECONDARY
1237660785774952473879719552SECONDARY
1237663238194003975879719552SECONDARY
1237663276867846162879719552SECONDARY
1237663525995282447879719552SECONDARY