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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 J030313.02-001457.4123766378368054077288269861PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237663783680540772882698611PRIMARY
1237667129444728844882698612SECONDARY
1237676324974559319882698612SECONDARY
1237676672861405271882698612SECONDARY
1237645942363652190882698612SECONDARY
1237646011103182988882698612SECONDARY
1237646380447563859882698612SECONDARY
1237646509296386066882698612SECONDARY
1237646646749167620882698612SECONDARY
1237646706867765255882698612SECONDARY
1237653011919667216882698612SECONDARY
1237653608881848387882698612SECONDARY
1237656550932349011882698612SECONDARY
1237656602469859450882698612SECONDARY
1237657109285175307882698612SECONDARY
1237657869497073692882698612SECONDARY
1237659755000758276882698612SECONDARY
1237659883834441807882698612SECONDARY
1237660025597526104882698612SECONDARY
1237660240311812179882698612SECONDARY
1237660334806007864882698612SECONDARY
1237663238200229895882698612SECONDARY
1237663276874072084882698612SECONDARY
1237663526001508361882698612SECONDARY