DR13
Explore Home

Search

Imaging Summary
FITS
Finding chart (new window)
Other Observations
Neighbors
Galaxy Zoo
 
PhotoTag
Field
Frame
PhotoObj
PhotoZ

Cross-ID

Spec Summary
All Spectra
FITS
Plate
SpecObj
sppLines
galSpecLine
galSpecIndx
galSpecInfo

Fit Parameters
sppParams
StarformingPort
PassivePort
emissionLinesPort
PCAWiscBC03
PCAWiscM11
FSPSGranEarlyDust
FSPSGranEarlyNoDust
FSPSGranWideDust
FSPSGranWideNoDust

NED search
SIMBAD search
ADS search

Notes
Save in Notes
Show Notes

Print

Powered by
SciServer

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 J052838.93+005655.21237658188924322453116544483PRIMARY

Other Observations of this "Thing"

objidthingidmodemode description
12376581889243224531165444831PRIMARY
12376633342955364581165444832SECONDARY
12376763045632416101165444832SECONDARY
12376463820741025541165444832SECONDARY
12376466483757060401165444832SECONDARY
12376467084943036001165444832SECONDARY
12376467938387567471165444832SECONDARY