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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 J011520.86+001533.41237666339726819701102941102PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376663397268197011029411021PRIMARY
12376663826669242461029411022SECONDARY
12376664084506871671029411022SECONDARY
12376664986197690801029411022SECONDARY
12376665415671483131029411022SECONDARY
12376666360794318491029411022SECONDARY
12376666618499564901029411022SECONDARY
12376667262469408641029411022SECONDARY
12376458784904316691029411022SECONDARY
12376465484882904781029411022SECONDARY
12376465871460764561029411022SECONDARY
12376569079739190131029411022SECONDARY
12376569723783089741029411022SECONDARY
12376571055310114481029411022SECONDARY
12376571914503457521029411022SECONDARY
12376572343675784151029411022SECONDARY
12376573632306220431029411022SECONDARY
12376577325879789371029411022SECONDARY
12376600089460082861029411022SECONDARY
12376602365775711471029411022SECONDARY
12376632043855547001029411022SECONDARY
12376635050489284421029411022SECONDARY
12376635437042240951029411022SECONDARY
12376663010786676121029411022SECONDARY