SPARCL - Field Names

Field Names

(DESI-EDR)

Storage Field Units Description Default All
A spgrpval Value corresponding to the grouping type indicated in the spgrp column. This is the same as the healpix column False True
A deltachi2 Delta-chi-squared for template fit from Redrock False True
A mws_target Milky Way Survey targeting bits False True
A tsnr2_gpbbright GPBBRIGHT template (S/N)^2 summed over B,R,Z False True
A rms_delta_y mm RMS (over exposures) of the fiber difference between measured and requested CS5 Y location on focal plane False True
A coeff Redrock template coefficients False True
A sv2_desi_target DESI (dark time program) target selection bitmask for SV2 False True
A coadd_fiberstatus Bitwise AND of the FIBERSTATUS values of the spectra used in the coadd False True
A chi2 Best fit chi-squared False True
A subtype Spectral subtype False True
A cmx_target Target selection bitmask for commissioning False True
A program DESI program type - BRIGHT, DARK, BACKUP, OTHER False True
A objtype Object type: TGT, SKY, NON, BAD False True
A mean_delta_x mm Mean (over exposures) fiber difference between measured and requested CS5 X location on focal plane False True
A target_ra deg Target right ascension False True
A coadd_numnight Number of different nights included in the coadd for this target False True
A tsnr2_lrg LRG template (S/N)^2 summed over B,R,Z False True
A sv2_bgs_target BGS (bright time program) target selection bitmask for SV2 False True
A bgs_target BGS (Bright Galaxy Survey) target selection bitmask False True
A fa_target Targeting bit internally used by fiberassign (linked with FA_TYPE) False True
A numobs_init Initial number of observations for target calculated across target selection bitmasks and OBSCONDITIONS False True
A rms_delta_x mm RMS (over exposures) of the fiber difference between measured and requested CS5 X location on focal plane False True
A sv3_bgs_target BGS (bright time program) target selection bitmask for SV3 False True
A sv1_scnd_target Secondary target selection bitmask for SV1 False True
A coadd_numtile Number of different tiles included in the coadd for this target False True
A sv3_scnd_target Secondary target selection bitmask for SV3 False True
A sv1_mws_target MWS (bright time program) target selection bitmask for SV1 False True
A ref_epoch yr Reference epoch for Gaia/Tycho astrometry. Typically 2015.5 for Gaia False True
A priority_init Target initial priority from target selection bitmasks and OBSCONDITIONS False True
A scnd_target Target selection bitmask for secondary programs False True
A fa_type Fiberassign internal target type (science, standard, sky, safe, suppsky) False True
A healpix HEALPixel containing this location at NSIDE=64 in the NESTED scheme False True
A sv_nspec Number of coadded spectra for this TARGETID in SV (SV1+2+3) False True
A pmra mas yr^-1 Reference catalog proper motion in the RA direction False True
A std_fiber_ra arcsec Standard deviation (over exposures) of RA of actual fiber position False True
A subpriority Random subpriority [0-1] to break assignment ties False True
A tsnr2_lya LYA template (S/N)^2 summed over B,R,Z False True
A target_dec deg Target declination False True
A plate_ra deg Right Ascension to be used by PlateMaker False True
A plate_dec deg Declination to be used by PlateMaker False True
A coadd_numexp Number of exposures included in the coadd for this target False True
A obsconditions Bit-coded of allowed observing conditions False True
A tsnr2_qso QSO template (S/N)^2 summed over B,R,Z False True
A pmdec mas yr^-1 Reference catalog proper motion in the Dec direction False True
A tsnr2_bgs BGS template (S/N)^2 summed over B,R,Z False True
A tsnr2_elg ELG template (S/N)^2 summed over B,R,Z False True
A sv1_bgs_target BGS (bright time program) target selection bitmask for SV1 False True
A sv2_mws_target MWS (bright time program) target selection bitmask for SV2 False True
A std_fiber_dec arcsec Standard deviation (over exposures) of DEC of actual fiber position False True
A sv2_scnd_target Secondary target selection bitmask for SV2 False True
A sv1_desi_target DESI (dark time program) target selection bitmask for SV1 False True
A mean_psf_to_fiber_specflux Mean of input exposures fraction of light from point-like source captured by 1.5 arcsec diameter fiber given atmospheric seeing False True
A tsnr2_gpbdark GPBDARK template (S/N)^2 summed over BRZ False True
A sv_primary Boolean flag (True/False) for the primary coadded spectrum in SV (SV1+2+3) False True
A sv3_desi_target DESI (dark time program) target selection bitmask for SV3 False True
A tsnr2_gpbbackup GPBBACKUP template (S/N)^2 summed over BRZ False True
A survey Survey name False True
A sv3_mws_target MWS (bright time program) target selection bitmask for SV3 False True
A zcat_nspec Number of coadded spectra for this TARGETID in this zcatalog False True
A desi_target DESI (dark time program) target selection bitmask False True
A ncoeff Number of Redrock template coefficients False True
A npixels Number of unmasked wavelengths that contributed to the redshift fit False True
A mean_delta_y mm Mean (over exposures) fiber difference requested - actual CS5 Y location on focal plane False True
A mean_fiber_ra deg Mean (over exposures) RA of actual fiber position False True
A lastnight Last calendar date of the exposures used in the coadded spectrum as YYYYMMDD of the beginning of the observing night False True
A mean_fiber_dec deg Mean (over exposures) DEC of actual fiber position False True
A firstnight First calendar date of the exposures used in the coadded spectrum as YYYYMMDD of the beginning of the observing night False True
A mean_mjd Mean (over exposures) of the Modified Julian Date (MJD) when the shutter was opened False True
C wavemax Å Maximum value of wavelength coverage in Angstroms False True
C data_release Data release of a given record (with a common data structure, e.g., SDSS-DR16, BOSS-DR16) False True
C targetid Unique DESI target ID False True
C telescope Telescope used for the observation False True
C dateobs_center Central value of the dateobs range False True
C updated Date and time when the record was created/updated False False
C wavemin Å Minimum value of wavelength coverage in Angstroms False True
C ra deg Target right ascension True True
C datasetgroup Common name for a coherent set of spectra published as a single release (e.g., SDSS_BOSS-DR16) False True
C spectype Spectral type from Redrock file (STAR, GALAXY, QSO) False True
C specprimary Boolean flag (True/False) for the primary coadded spectrum for a given target object False True
C instrument Instrument used for observation False True
C dec deg Target declination True True
C specid Dataset-specific spectrum identifier (may not be unique) True True
C extra_files Additional files read for ingest False False
C redshift_err Uncertainty on the measured redshift, or radial velocity in units of redshift False True
C filename Basename of ingested file. Prepend with "dirpath" for full absolute path False False
C dateobs Range of observational dates for a given spectrum (single value for a single date) False True
C sparcl_id Universally Unique Identifier for spectrum in SPARCL True True
C redshift_warning Redshift warning bitmask measured by Redrock False True
C redshift Measured redshift, or radial velocity in units of redshift False True
C site Site of observations False True
C dirpath Full path of ingested file directory (mostly for internal use) False False
C filesize bytes Size of the file False False
C exptime sec Exposure time in seconds False True
S model 10^-17 ergs/s/cm^2/Å Pipeline best model fit False True
S flux 10^-17 ergs/s/cm^2/Å Coadded calibrated flux True True
S wavelength Å Wavelength in units of Angstroms True True
S mask Mask value False True
S ivar flux^-2 Inverse variance of flux False True
S wave_sigma Å Line-spread function width (sigma of approximating Gaussian) in units of Angstroms False True

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CCORE field
SSPECTRA field
AAUX field

NSF NOIRLab

AURA CSDC


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