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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 J234417.47+010859.71237656909037699396121775266PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376569090376993961217752661PRIMARY
12376571065947917301217752662SECONDARY
12376571925141261681217752662SECONDARY
12376573642944022751217752662SECONDARY
12376600100097887851217752662SECONDARY
12376602376413514611217752662SECONDARY
12376632054493350811217752662SECONDARY
12376633128227965261217752662SECONDARY
12376634631465208761217752662SECONDARY
12376635061127089341217752662SECONDARY
12376635447680044051217752662SECONDARY
12376637380256075121217752662SECONDARY
12376637423192640421217752662SECONDARY
12376663021424479081217752662SECONDARY
12376663407906000151217752662SECONDARY
12376663837307046691217752662SECONDARY
12376664095144676821217752662SECONDARY
12376664954010997081217752662SECONDARY
12376666371432123241217752662SECONDARY
12376666629136714381217752662SECONDARY
12376458795542121231217752662SECONDARY
12376465753322293601217752662SECONDARY
12376568531925732531217752662SECONDARY