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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 J005102.42-010244.4123765718983704584375608329PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237657189837045843756083291PRIMARY
1237657361617387528756083292SECONDARY
1237660007332708426756083292SECONDARY
1237660234964271227756083292SECONDARY
1237663202772254808756083292SECONDARY
1237663503435628595756083292SECONDARY
1237663542090989589756083292SECONDARY
1237666299465433106756083292SECONDARY
1237666338113519763756083292SECONDARY
1237666381053624400756083292SECONDARY
1237666406837387321756083292SECONDARY
1237666497006469198756083292SECONDARY
1237666539953913873756083292SECONDARY
1237666634466132015756083292SECONDARY
1237666660236656696756083292SECONDARY
1237646010014957619756083292SECONDARY
1237646645660942363756083292SECONDARY
1237656854800957542756083292SECONDARY
1237656906360684573756083292SECONDARY
1237656970765074478756083292SECONDARY
1237657103917776910756083292SECONDARY