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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 J032846.72+005549.01237660241925243166116419022PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376602419252431661164190221PRIMARY
12376603364194388151164190222SECONDARY
12376632398135954381164190222SECONDARY
12376632784875030011164190222SECONDARY
12376635276148738431164190222SECONDARY
12376637852939717391164190222SECONDARY
12376671310581597281164190222SECONDARY
12376763265879902491164190222SECONDARY
12376459439770832161164190222SECONDARY
12376460127166138451164190222SECONDARY
12376463820609946841164190222SECONDARY
12376465109098170721164190222SECONDARY
12376466483625331241164190222SECONDARY
12376536104952793301164190222SECONDARY
12376565525457799461164190222SECONDARY
12376566040832903711164190222SECONDARY
12376571108985408601164190222SECONDARY
12376578711105045791164190222SECONDARY
12376597566141237921164190222SECONDARY
12376598854478727451164190222SECONDARY
12376600272109570621164190222SECONDARY