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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 J003054.88-005825.5123765718983481776175655064PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
1237657189834817761756550641PRIMARY
1237657361615159525756550642SECONDARY
1237660007330545827756550642SECONDARY
1237660234962108597756550642SECONDARY
1237663202770092194756550642SECONDARY
1237663310143553628756550642SECONDARY
1237663503433400467756550642SECONDARY
1237663542088761489756550642SECONDARY
1237663739640021143756550642SECONDARY
1237666299463205029756550642SECONDARY
1237666338111357099756550642SECONDARY
1237666381051461756756550642SECONDARY
1237666406835159209756550642SECONDARY
1237666497004306560756550642SECONDARY
1237666539951685791756550642SECONDARY
1237666634463969388756550642SECONDARY
1237666660234428588756550642SECONDARY
1237645876874969225756550642SECONDARY
1237656850513330334756550642SECONDARY
1237656854798794886756550642SECONDARY
1237656906358456474756550642SECONDARY
1237657103915548824756550642SECONDARY