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Other spectra

The SDSS often takes repeat spectra of the same object. Each time that astronomical object is spectroscopically observed with any of the spectrographs connected to the SDSS telescope, it is assigned a separate specObjID. We then select the best spectrum and assign it as sciencePrimary.

Information about each spectroscopic observation is stored in the specObjAll table. The specObj view contains only data for spectra assigned as sciencePrimary.

The table below shows all spectra that were measured for this object.

All Spectra of this Object

specObjIdplateMJDfiberradecspecRaspecDecsciencePrimarydistanceArcMinclass
646043135834658816057385600264 149.50836 50.75888 149.50837 50.7589010.00140465QSO
10155683534581534729025240924 149.50836 50.75888 149.50837 50.7589000.00105707QSO

Flux-Matched Spectra of this Object

specObjIdplateMJDfiberradecspecRaspecDecsciencePrimarydistanceArcMinclass
10155683534581534729025240924 149.50836 50.75888 149.50837 50.7589000.00105707QSO
646043135834658816057385600264 149.50836 50.75888 149.50837 50.7589010.00140465QSO