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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 J003027.42-002711.8123765719037168867385811495PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237657190371688673858114951PRIMARY
1237657362151964993858114952SECONDARY
1237660007867351292858114952SECONDARY
1237660235498913989858114952SECONDARY
1237663203306897590858114952SECONDARY
1237663310680359131858114952SECONDARY
1237663503970271392858114952SECONDARY
1237663542625566916858114952SECONDARY
1237663740176826537858114952SECONDARY
1237666300000010432858114952SECONDARY
1237666338648162535858114952SECONDARY
1237666381588267223858114952SECONDARY
1237666407372030177858114952SECONDARY
1237666497541112033858114952SECONDARY
1237666540488491247858114952SECONDARY
1237666635000774843858114952SECONDARY
1237666660771299449858114952SECONDARY
1237645877411774716858114952SECONDARY
1237656851050135758858114952SECONDARY
1237656855335600402858114952SECONDARY
1237656906895261916858114952SECONDARY
1237657104452354280858114952SECONDARY