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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 J020004.23+002119.71237657071160263204101551431PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376570711602632041015514311PRIMARY
12376571914551960041015514312SECONDARY
12376572343724935991015514312SECONDARY
12376575865563390311015514312SECONDARY
12376578141924887511015514312SECONDARY
12376599144287439771015514312SECONDARY
12376600089509234981015514312SECONDARY
12376629681503604171015514312SECONDARY
12376632043904698981015514312SECONDARY
12376635437091394661015514312SECONDARY
12376663010835829051015514312SECONDARY
12376663826717743491015514312SECONDARY
12376664084555374931015514312SECONDARY
12376664986246842611015514312SECONDARY
12376665415720635991015514312SECONDARY
12376666618548064911015514312SECONDARY
12376458784953469481015514312SECONDARY
12376465484931406351015514312SECONDARY
12376465871509919701015514312SECONDARY
12376529995309390381015514312SECONDARY
12376565128197575681015514312SECONDARY
12376565944210558221015514312SECONDARY
12376569723832243731015514312SECONDARY