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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 J002825.56+001610.21237657191445168296104295051PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376571914451682961042950511PRIMARY
12376573632255099531042950512SECONDARY
12376600089408308631042950512SECONDARY
12376602365724590891042950512SECONDARY
12376632043803772741042950512SECONDARY
12376633117539041911042950512SECONDARY
12376635050437510111042950512SECONDARY
12376635436991120261042950512SECONDARY
12376637412503716691042950512SECONDARY
12376663010735555541042950512SECONDARY
12376663397217075941042950512SECONDARY
12376663826617468071042950512SECONDARY
12376664084455097641042950512SECONDARY
12376664986145916331042950512SECONDARY
12376665415620363291042950512SECONDARY
12376666360742544511042950512SECONDARY
12376666618447791471042950512SECONDARY
12376784332542445211042950512SECONDARY
12376458784852543011042950512SECONDARY
12376568521236808661042950512SECONDARY
12376568564091454211042950512SECONDARY
12376569079688069941042950512SECONDARY
12376571055258993581042950512SECONDARY