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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 J012840.79+003430.81237663784743993433106429530PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376637847439934331064295301PRIMARY
12376638921023816601064295302SECONDARY
12376671734727312021064295302SECONDARY
12376763260379464701064295302SECONDARY
12376460121665700971064295302SECONDARY
12376465060769956731064295302SECONDARY
12376466478125548281064295302SECONDARY
12376530129830544561064295302SECONDARY
12376571103485625251064295302SECONDARY
12376578705604608801064295302SECONDARY
12376597560641454931064295302SECONDARY
12376598848978945451064295302SECONDARY
12376599064045814611064295302SECONDARY
12376600266609132871064295302SECONDARY
12376602242316370871064295302SECONDARY
12376607868445656301064295302SECONDARY
12376632779374592281064295302SECONDARY
12376635270648955701064295302SECONDARY
12376637160240579521064295302SECONDARY