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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 J022856.87+003316.11237663784750547178106564518PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376637847505471781065645181PRIMARY
12376638921090010141065645182SECONDARY
12376671305147352701065645182SECONDARY
12376763260445656801065645182SECONDARY
12376459434336585701065645182SECONDARY
12376460121731893121065645182SECONDARY
12376465060836149241065645182SECONDARY
12376466478191085211065645182SECONDARY
12376467079377061861065645182SECONDARY
12376530129896736431065645182SECONDARY
12376536099518547521065645182SECONDARY
12376571103551817541065645182SECONDARY
12376578705670801221065645182SECONDARY
12376597560706992321065645182SECONDARY
12376598849044481741065645182SECONDARY
12376600266675324641065645182SECONDARY
12376602070264055481065645182SECONDARY
12376602413818185541065645182SECONDARY
12376603358760142621065645182SECONDARY
12376607868511847861065645182SECONDARY
12376632392701708551065645182SECONDARY
12376632779440785251065645182SECONDARY
12376635270715147721065645182SECONDARY