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 name | objid | thingid | mode description | SDSS J025958.04+000230.5 | 1237663784217084464 | 97290268 | PRIMARY |
Other Observations of this "Thing"
objid | thingid | mode | mode description | 1237663784217084464 | 97290268 | 1 | PRIMARY | 1237676325511102971 | 97290268 | 2 | SECONDARY | 1237656551468892634 | 97290268 | 2 | SECONDARY | 1237657109821653650 | 97290268 | 2 | SECONDARY | 1237657870033617131 | 97290268 | 2 | SECONDARY | 1237659755537236555 | 97290268 | 2 | SECONDARY | 1237660026134069743 | 97290268 | 2 | SECONDARY | 1237660240848355830 | 97290268 | 2 | SECONDARY | 1237663238736707878 | 97290268 | 2 | SECONDARY | 1237663526537986643 | 97290268 | 2 | SECONDARY |
|