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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 J010650.48+000247.8123766378420469775796960368PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237663784204697757969603681PRIMARY
1237667172933435527969603682SECONDARY
1237676325498716251969603682SECONDARY
1237646011627339856969603682SECONDARY
1237646505537765455969603682SECONDARY
1237646647273259137969603682SECONDARY
1237653012443824205969603682SECONDARY
1237657870021230696969603682SECONDARY
1237659755524849797969603682SECONDARY
1237659905865351268969603682SECONDARY
1237660026121683060969603682SECONDARY
1237660223692341405969603682SECONDARY
1237660356828463204969603682SECONDARY
1237663277398229091969603682SECONDARY
1237663479277748371969603682SECONDARY
1237663526525599884969603682SECONDARY
1237663715484762225969603682SECONDARY