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Copy file name to clipboardexpand all lines: py/desidatamodel/data/column_descriptions.csv
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@@ -74,6 +74,7 @@ FIBER_DEC,float64,deg,DEC of actual fiber position,DEC of actual fiber position
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FIBER_RA,float64,deg,RA of actual fiber position,RA of actual fiber position
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FIBER_X,float64,mm,CS5 X location requested by PlateMaker,CS5 X location requested by PlateMaker
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FIBER_Y,float64,mm,CS5 Y location requested by PlateMaker,CS5 Y location requested by PlateMaker
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FIRSTNIGHT,int32,,Calendar Date of the first exposure,KPNO Calendar Date when the first exposure was obtained (regardless of data quality)
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FLUX_G,float32,nanomaggy,Flux in the Legacy Survey g-band (AB),Flux in the Legacy Survey g-band (AB)
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FLUX_G_DERED,float32,nanomaggy,FLUX_G corrected for Galactic extinction (AB),Flux in the g-band after correcting for Galactic extinction (AB system)
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FLUX_IVAR_G,float32,nanomaggy^-2,Inverse variance of FLUX_G (AB),Inverse variance of FLUX_G (AB)
@@ -162,6 +163,9 @@ HGAMMA_SHARE_IVAR,float32,,NaN (SHARE not relevant for HGAMMA line),NaN (SHARE n
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HGAMMA_SIGMA,float32,Angstrom,Fitted HGAMMA line width in the observed frame,Fitted line width (in the observed frame) for the HGAMMA line
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HGAMMA_SIGMA_IVAR,float32,Angstrom^-2,Inverse variance of HGAMMA_SIGMA (obs frame),Inverse variance of the fitted line width (in the observed frame) for the HGAMMA line
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HPXPIXEL,int64,,HEALPixel at this location (NSIDE=64; NESTED),HEALPixel containing this location at NSIDE=64 in the NESTED scheme
MAIN_NSPEC,int32,,Nb of coadded spectra in Main survey for TID,Number of coadded spectra for this TARGETID in Main survey
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MAIN_PRIMARY,bool,,True if primary coadd spectrum in Main survey,Boolean flag (True/False) for the primary coadded spectrum in Main survey
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MASKBITS,int16,,Bitwise mask from imaging for potential issues,Bitwise mask from the imaging indicating potential issue or blending
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MAX_MJD,float64,d,MJD of the last exposure in coadded spectrum,Maximum value of the Modified Julian Date (when the shutter was open for the last exposure used in the coadded spectrum)
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MEAN_DELTA_X,float32,mm,Mean fiber diff (requested - actual CS5 X loc),Mean (over exposures) fiber difference requested - actual CS5 X location on focal plane
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MEAN_DELTA_Y,float32,mm,Mean fiber diff (requested - actual CS5 Y loc),Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane
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MEAN_FIBER_DEC,float64,deg,Mean (over exposures) DEC of fiber position,Mean (over exposures) DEC of actual fiber position
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MEAN_FIBER_RA,float64,deg,Mean (over exposures) RA of fiber position,Mean (over exposures) RA of actual fiber position
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MEAN_FIBER_X,float32,mm,Mean (over exposures) fiber CS5 X loc on FP,Mean (over exposures) fiber CS5 X location on focal plane
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MEAN_FIBER_Y,float32,mm,Mean (over exposures) fiber CS5 Y loc on FP,Mean (over exposures) fiber CS5 Y location on focal plane
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MEAN_MJD,float64,d,Mean of MJD of exposures in a coadded spectrum,Mean value of the Modified Julian Date (when the shutter was open for exposures used in the coadded spectrum)
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MEAN_PSF_TO_FIBER_SPECFLUX,float32,,Mean PSF light fraction within 1.5arcsec fiber,Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing
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MEDIAN_CALIB_COUNT_B,float64,,Median of calibrated flux in B camera,Median of calibrated flux in B camera
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MEDIAN_CALIB_COUNT_R,float64,,Median of calibrated flux in R camera,Median of calibrated flux in R camera
@@ -217,6 +223,7 @@ MEDIAN_SKYSUB_COUNT_Z,float64,,Median of sky-subtracted counts in Z camera,Media
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MEDIAN_SKYSUB_SNR_B,float64,,Median(S/N) of sky-subtracted counts in B cam,Median(S/N) of sky-subtracted counts in B camera
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MEDIAN_SKYSUB_SNR_R,float64,,Median(S/N) of sky-subtracted counts in R cam,Median(S/N) of sky-subtracted counts in R camera
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MEDIAN_SKYSUB_SNR_Z,float64,,Median(S/N) of sky-subtracted counts in Z cam,Median(S/N) of sky-subtracted counts in Z camera
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MIN_MJD,float64,d,MJD of the first exposure in coadded spectrum,Minimum value of the Modified Julian Date (when the shutter was open for the first exposure used in the coadded spectrum)
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MJD,float64,d,Modified Julian Date when shutter open for exp,Modified Julian Date when shutter was opened for this exposure
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MJD_BEGIN,float64,d,Start of the allowed observing window (MJD),Start of the allowed observing window for this target (Modified Julian Date)
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MJD_END,float64,d,End of the allowed observing window (MJD),End of the allowed observing window for this target (Modified Julian Date)
@@ -237,10 +244,12 @@ NOBS_R,int16,,Number of images for central pixel in r-band,Number of images for
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NOBS_Z,int16,,Number of images for central pixel in z-band,Number of images for central pixel in z-band
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NPIXELS,int64,,Number of unmasked pixels used in Redrock fit,Number of unmasked pixels contributing to the Redrock fit
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NTILE,int64,,Number of tiles target was available on,Number of tiles target was available on
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NUMEXP,int32,,DEFINITION NEEDED,DEFINITION NEEDED
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NUMOBS,int64,,Nb of spectro observations of this given tile,"Number of spectroscopic observations (on this specific, single tile)"
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NUMOBS_INIT,int64,,Initial number of observations for target,Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS
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NUMOBS_MORE,int64,,Number of additional observations needed,Number of additional observations needed
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NUMTARGET,int16,,Total number of targets covered by positioner,Total number of targets that this positioner covered
NUM_ITER,int64,,Number of positioner iterations,Number of positioner iterations
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NZ,float64,h^3 Mpc^-3,Comoving number density of tracer at given z,"The comoving number density of the tracer at the given redshift, assuming complete sample"
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O2C,float64,,Criterion for strength of OII emission for ELG,The criteria for assessing strength of OII emission for ELG observations
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