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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 J020212.33-000602.2123766640791892788694185011PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237666407918927886941850111PRIMARY
1237666498088009744941850112SECONDARY
1237666541035454474941850112SECONDARY
1237666635547672592941850112SECONDARY
1237666661318197258941850112SECONDARY
1237666725715181579941850112SECONDARY
1237645877958672404941850112SECONDARY
1237646547956531212941850112SECONDARY
1237646586614382598941850112SECONDARY
1237652998994329610941850112SECONDARY
1237656512283082788941850112SECONDARY
1237656593884381217941850112SECONDARY
1237656971846615048941850112SECONDARY
1237657070623653893941850112SECONDARY
1237657190918586382941850112SECONDARY
1237657233835819044941850112SECONDARY
1237657586019729421941850112SECONDARY
1237657813655814173941850112SECONDARY
1237659913892069411941850112SECONDARY
1237660008414248976941850112SECONDARY
1237662967613685791941850112SECONDARY
1237663203853795343941850112SECONDARY
1237663328391659526941850112SECONDARY
1237663504517169164941850112SECONDARY
1237663543172464678941850112SECONDARY
1237666300546973703941850112SECONDARY
1237666339195060248941850112SECONDARY
1237666382135164946941850112SECONDARY