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Table: sdss_dr12.dr12q_duplicates
(The bold columns are indexed columns)
Column NameDescriptionDatatype
dupspecobjidspecObjID of other observations of the same object.BIGINT
fiberidSpectroscopic fiber numberSMALLINT
mjdModified Julian Day of the spectroscopic observationINTEGER
plateSpectroscopic plate numberSMALLINT
run2d2D Reduction version of spectrumCHAR
snrMedian SNR (whole spectrum) for the duplicate spectrumREAL
specobjidspecObjID of the primary spectrum in the dr14q table.BIGINT

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