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 J212049.31+003220.1 | 1237678617400378084 | 109157300 | PRIMARY |
Other Observations of this "Thing"
objid | thingid | mode | mode description | 1237678617400378084 | 109157300 | 1 | PRIMARY | 1237649942055878975 | 109157300 | 2 | SECONDARY | 1237653012955922974 | 109157300 | 2 | SECONDARY | 1237656569189171673 | 109157300 | 2 | SECONDARY | 1237659906377450027 | 109157300 | 2 | SECONDARY | 1237660026633846991 | 109157300 | 2 | SECONDARY | 1237660194139341386 | 109157300 | 2 | SECONDARY | 1237660224204505466 | 109157300 | 2 | SECONDARY | 1237663458314682773 | 109157300 | 2 | SECONDARY | 1237663479789912665 | 109157300 | 2 | SECONDARY | 1237663527037763963 | 109157300 | 2 | SECONDARY | 1237666649478136019 | 109157300 | 2 | SECONDARY | 1237678536875966851 | 109157300 | 2 | SECONDARY |
|