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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 J011530.44-005139.5123766633811620671274326335PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237666338116206712743263351PRIMARY
1237666381056311346743263352SECONDARY
1237666406840074296743263352SECONDARY
1237666497009156150743263352SECONDARY
1237666539956600852743263352SECONDARY
1237666634468818979743263352SECONDARY
1237666660239343670743263352SECONDARY
1237666724636327979743263352SECONDARY
1237645876879818799743263352SECONDARY
1237646546877677589743263352SECONDARY
1237646585535528992743263352SECONDARY
1237656970767761445743263352SECONDARY
1237657103920398450743263352SECONDARY
1237657232756965427743263352SECONDARY
1237657361620009090743263352SECONDARY
1237660007335395378743263352SECONDARY
1237660234966958242743263352SECONDARY
1237663202774941755743263352SECONDARY
1237663503438315568743263352SECONDARY
1237663542093611153743263352SECONDARY
1237666299468120095743263352SECONDARY