GUVCAT COLUMN DESCRIPTION - SDSS DR14 COLUMNS
| Column | Data Type | Description |
|---|---|---|
| SDSS_ID | bigint | Unique SDSS ID |
| nChild | int | Number of children if this is a deblened composite object. BRIGHT (in a flags sense) objects also have nchild==1, the non-BRIGHT sibling. |
| SDSS_RA | float | RA in J2000 from SpecObj (deg) |
| SDSS_RA_ERROR | float | RA error in J2000 from SpecObj (deg) |
| SDSS_DEC | float | Declination in J2000 from SpecObj (deg) |
| SDSS_DEC_ERROR | float | Declination error in J2000 from SpecObj (deg) |
| SDSS_type | int | Morphological type classification of the object. |
| psfMag_u | float | PSF flux in u band (mag) |
| psfMag_g | float | PSF flux in g band (mag) |
| psfMag_r | float | PSF flux in r band (mag) |
| psfMag_i | float | PSF flux in i band (mag) |
| psfMag_z | float | PSF flux in z band (mag) |
| psfMagErr_u | float | PSF flux error in u band (mag) |
| psfMagErr_g | float | PSF flux error in g band (mag) |
| psfMagErr_r | float | PSF flux error in r band (mag) |
| psfMagErr_i | float | PSF flux error in i band (mag) |
| psfMagErr_z | float | PSF flux error in z band (mag) |
| expMag_u | float | Exponential fit magnitude in u band (mag) |
| expMag_g | float | Exponential fit magnitude in g band (mag) |
| expMag_r | float | Exponential fit magnitude in r band (mag) |
| expMag_i | float | Exponential fit magnitude in i band (mag) |
| expMag_z | float | Exponential fit magnitude in z band (mag) |
| expMagErr_u | float | Exponential fit magnitude error in u band (mag) |
| expMagErr_g | float | Exponential fit magnitude error in g band (mag) |
| expMagErr_r | float | Exponential fit magnitude error in r band (mag) |
| expMagErr_i | float | Exponential fit magnitude error in i band (mag) |
| expMagErr_z | float | Exponential fit magnitude error in z band (mag) |
| expAB_u | float | Exponential fit b/a in u band |
| expAB_g | float | Exponential fit b/a in g band |
| expAB_r | float | Exponential fit b/a in r band |
| expAB_i | float | Exponential fit b/a in i band |
| expAB_z | float | Exponential fit b/a in z band |
| expABErr_u | float | Exponential fit b/a error in u band |
| expABErr_g | float | Exponential fit b/a error in g band |
| expABErr_r | float | Exponential fit b/a error in r band |
| expABErr_i | float | Exponential fit b/a error in i band |
| expABErr_z | float | Exponential fit b/a error in z band |
| deVMag_u | float | de Vaucouleurs magnitude fit in u band (mag) |
| deVMag_g | float | de Vaucouleurs magnitude fit in g band (mag) |
| deVMag_r | float | de Vaucouleurs magnitude fit in r band (mag) |
| deVMag_i | float | de Vaucouleurs magnitude fit in i band (mag) |
| deVMag_z | float | de Vaucouleurs magnitude fit in z band (mag) |
| deVMagErr_u | float | de Vaucouleurs magnitude fit error in u band (mag) |
| deVMagErr_g | float | de Vaucouleurs magnitude fit error in g band (mag) |
| deVMagErr_r | float | de Vaucouleurs magnitude fit error in r band (mag) |
| deVMagErr_i | float | de Vaucouleurs magnitude fit error in i band (mag) |
| deVMagErr_z | float | de Vaucouleurs magnitude fit error in z band (mag) |
| deVAB_u | float | de Vaucouleurs fit b/a in u band |
| deVAB_g | float | de Vaucouleurs fit b/a in g band |
| deVAB_r | float | de Vaucouleurs fit b/a in r band |
| deVAB_i | float | de Vaucouleurs fit b/a in i band |
| deVAB_z | float | de Vaucouleurs fit b/a in z band |
| deVABErr_u | float | de Vaucouleurs fit b/a error in u band |
| deVABErr_g | float | de Vaucouleurs fit b/a error in g band |
| deVABErr_r | float | de Vaucouleurs fit b/a error in r band |
| deVABErr_i | float | de Vaucouleurs fit b/a error in i band |
| deVABErr_z | float | de Vaucouleurs fit b/a error in z band |
| petroMag_u | float | Petrosian magnitude in u band (mag) |
| petroMag_g | float | Petrosian magnitude in g band (mag) |
| petroMag_r | float | Petrosian magnitude in r band (mag) |
| petroMag_i | float | Petrosian magnitude in i band (mag) |
| petroMag_z | float | Petrosian magnitude in z band (mag) |
| petroMagErr_u | float | Petrosian magnitude error in u band (mag) |
| petroMagErr_g | float | Petrosian magnitude error in g band (mag) |
| petroMagErr_r | float | Petrosian magnitude error in r band (mag) |
| petroMagErr_i | float | Petrosian magnitude error in i band (mag) |
| petroMagErr_z | float | Petrosian magnitude error in z band (mag) |
| flags1 | bigint | Photo Object Attribute Flags (bitmask) |
| flags2 | string | Photo Object Attribute Flags (converted to bit labels) |
| flags_u | bigint | Object detection flags per band in u band |
| flags_g | bigint | Object detection flags per band in g band |
| flags_r | bigint | Object detection flags per band in r band |
| flags_i | bigint | Object detection flags per band in i band |
| flags_z | bigint | Object detection flags per band in z band |
| edge | int | Number of observations of this object near an edge |
| u_sat | int | ??? |
| g_sat | int | ??? |
| r_sat | int | ??? |
| i_sat | int | ??? |
| z_sat | int | ??? |
| u_cr | int | ??? |
| g_cr | int | ??? |
| r_cr | int | ??? |
| i_cr | int | ??? |
| z_cr | int | ??? |
| probPSF_u | int??? | Probablity object is a star in u band |
| probPSF_g | int??? | Probablity object is a star in g band |
| probPSF_r | int??? | Probablity object is a star in r band |
| probPSF_i | int??? | Probablity object is a star in i band |
| probPSF_z | int??? | Probablity object is a star in z band |
| psffwhm_u | float | FWHM in u-band (arcsec) |
| psffwhm_g | float | FWHM in g-band (arcsec) |
| psffwhm_r | float | FWHM in r-band (arcsec) |
| psffwhm_i | float | FWHM in i-band (arcsec) |
| psffwhm_z | float | FWHM in z-band (arcsec) |
| specObj_ID | bigint | Pointer to the spectrum of object, if exists, else 0 |
| plate | int | Plate ID |
| mjd | int | MJD of observation |
| fiber_ID | int | Fiber ID |
| redshift | float | Final Redshift |
| redshiftErr | float | Redshift error |
| specType | int | ??? |
| class | string | Spectroscopic class (GALAXY, QSO, or STAR) |
| subClass | string | Spectroscopic subclass |
| class_person | string | ??? |
| elodieSpType | string | ??? |
| B_V_color | float | B-V color |
| Teff | float | ??? |
| logG | float | ??? |
| metallicity | float | ??? |
| elodie_redshift | float | ??? |
| elodie_redshiftErr | float | ??? |
| propermotion | float | ??? |
| usno_red1 | float | ??? |
| usno_red2 | float | ??? |
| usno_blue1 | float | ??? |
| usno_blue2 | float | ??? |
| run | int | Run number |
| rerun | int | Rerun number |
| camcol | int | Camera column |
| field | int | Field number |
| dstArcSec | float | ??? |
| distanceRank | int | ??? |
| reverseDistanceRank | int | ??? |
| multipleMatchCount | int | ??? |
| reverseMultipleMatchCount | int | ??? |