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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 J015754.64-005711.3123765706954938881073015144PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237657069549388810730151441PRIMARY
1237657189844386200730151442SECONDARY
1237657232761618963730151442SECONDARY
1237657584945529309730151442SECONDARY
1237657812581614131730151442SECONDARY
1237659912817869583730151442SECONDARY
1237660007340048850730151442SECONDARY
1237662966539485916730151442SECONDARY
1237663202779595217730151442SECONDARY
1237663327317394245730151442SECONDARY
1237663503442969161730151442SECONDARY
1237663542098264782730151442SECONDARY
1237666299472708351730151442SECONDARY
1237666338120860129730151442SECONDARY
1237666381060965025730151442SECONDARY
1237666406844727723730151442SECONDARY
1237666497013809558730151442SECONDARY
1237666539961188906730151442SECONDARY
1237666634473472405730151442SECONDARY
1237666660243997212730151442SECONDARY
1237666724640981405730151442SECONDARY
1237645876884472247730151442SECONDARY
1237646546882330977730151442SECONDARY
1237646585540117244730151442SECONDARY
1237652997920129675730151442SECONDARY
1237656511208882849730151442SECONDARY
1237656592810181287730151442SECONDARY
1237656906367959765730151442SECONDARY
1237656970772349655730151442SECONDARY