VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
V/161
  DESI DR1 redshift catalog (DESI Col.+ 2025)
ReadMe+ftp
2025arXiv250314745D
Similar Catalogs
Post annotation 		img(gal)
1.V/161/zcatdr1DESI DR1 redshift catalog (ZCATALOG), sample output (on a total of 28,425,963 sources) (original column names in green) (1000 rows)
 

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  TargetID  (i) [-826479526/2882315850818256979] Unique DESI target ID (TARGETID) (meta.id;meta.main)
  RAICRS deg (i) Barycentric Right Ascension in ICRS (TARGET_RA) (pos.eq.ra;meta.main)
  DEICRS deg (i) [-32/85] Barycentric Declination in ICRS (TARGET_DEC) (pos.eq.dec;meta.main)
  Survey (char) Survey name (SURVEY) (meta.id;meta.dataset)
  Prog (char) DESI program type - BRIGHT; DARK; BACKUP; OTHER (PROGRAM) (meta.id;meta.dataset)
  Healpix   [0/49151] HEALPixel containing this location at NSIDE=64 in the NESTED scheme (HEALPIX) (meta.number)
  z  (i) [-0.0044/7] Redshift measured by Redrock (Z) (src.redshift)
  e_z   [0/0.03] Redshift error from redrock (ZERR) (stat.error;src.redshift)
  ZWARN   [0/2695] Redshift warning bitmask from Redrock (0=good) (Binary flag explanations) (meta.code;src.redshift)
  Chi2   [2/9e99] Best fit chi squared (CHI2) (stat.fit.chi2;meta.modelled)

ALL cols		    
 (i)indexed column
  COEFF0  Redrock template coefficients 0 (COEFF_0) (meta.number)
  COEFF1  Redrock template coefficients 1 (COEFF_1) (meta.number)
  COEFF2  Redrock template coefficients 2 (COEFF_2) (meta.number)
  COEFF3  Redrock template coefficients 3 (COEFF_3) (meta.number)
  COEFF4  Redrock template coefficients 4 (COEFF_4) (meta.number)
  COEFF5  Redrock template coefficients 5 (COEFF_5) (meta.number)
  COEFF6  Redrock template coefficients 6 (COEFF_6) (meta.number)
  COEFF7  Redrock template coefficients 7 (COEFF_7) (meta.number)
  COEFF8  Redrock template coefficients 8 (COEFF_8) (meta.number)
  COEFF9  Redrock template coefficients 9 (COEFF_9) (meta.number)
  Npix   [0/7933] Number of unmasked pixels contributing to the Redrock fit (NPIXELS) (meta.number)
  OType (char) Spectral type of Redrock best fit template (SPECTYPE) (Note 1)   (src.class)
  SubType (char) Spectral subtype (SUBTYPE) (src.spType)

ALL cols		    
 (i)indexed column
  delChi2   [0/3.6e7] Chi2 difference between first- and second-best redrock template fits (DELTACHI2) (stat.fit.chi2;arith.diff)
  COADD_FIBER   [0/1098907648] Bitwise-AND of input FIBERSTATUS (COADD_FIBERSTATUS) (Note 2)   (meta.code)
  pmRA mas/yr [-4513/3980] Reference catalog proper motion in the RA direction (PMRA) (pos.pm;pos.eq.ra)
  pmDE mas/yr [-3438/2106] Reference catalog proper motion in the Dec direction (PMDEC) (pos.pm;pos.eq.dec)
  RefEp yr [0/2021.97] Reference catalog reference epoch (e.g.; 2015.5 for GaiaDR2) (REF_EPOCH) (time.epoch;pos.pm)
  Type (char) Object type: TGT; SKY; NON; BAD (OBJTYPE) (meta.code)
  Obs   [0/575] Flag the target to be observed in graytime (OBSCONDITIONS) (meta.code)
  Release  (i) [-1/9012] Legacy Surveys (LS) Release (RELEASE) (Note 3)   (meta.id)
  BrickName (char) Brick name from tractor input (BRICKNAME) (meta.id)
  BrickID  (i) [0/785162] Brick ID from tractor input (BRICKID) (meta.id)
  ObjID  (i) [-1/31798] OBJID (unique to brick; but not to file) (BRICK_OBJID) (meta.id)
  Morph (char) Morphological Model type (MORPHTYPE) (Note 4)   (meta.id;meta.modelled;src.morph)
  EBV mag [0/4] Galactic extinction E(B-V) reddening from Schlegel+ 1998ApJ...500..525S (phot.color.excess)

ALL cols		    
 (i)indexed column
  Fg 3.63uJy [-1771/70844] Legacy Survey (LS) flux from tractor input (g), in nanomaggy units (FLUX_G) (phot.mag;em.opt.B)
  Fr 3.63uJy [-249/149823] LS flux from tractor input (r), in nanomaggy units (FLUX_R) (phot.mag;em.opt.R)
  Fz 3.63uJy [-13229/193772] LS flux from tractor input (z), in nanomaggy units (FLUX_Z) (phot.mag;em.opt.I)
  F3.4 3.63uJy [-224146/9016309] WISE flux in W1 (3.4um), in nanomaggy units (FLUX_W1) (phot.mag;em.IR.3-4um)
  F4.6 3.63uJy [-2704847/5498148] WISE flux in W2 (4.6um), in nanomaggy units (FLUX_W2) (phot.mag;em.IR.4-8um)
  FFg 3.63uJy [-92/9471] Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing, in nanomaggy units (FIBERFLUX_G) (phot.flux;meta.modelled;em.opt.B)
  FFr 3.63uJy [-44/12450] Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing, in nanomaggy units (FIBERFLUX_R) (phot.flux;meta.modelled;em.opt.R)
  FFz 3.63uJy [-161/12820] Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing, in nanomaggy units (FIBERFLUX_Z) (phot.flux;meta.modelled;em.opt.I)
  plx mas [-92.1/161] Reference catalog parallax (PARALLAX) (pos.parallax)
  COADD_EXP s [0/43506] Summed exposure time for coadd (COADD_EXPTIME) (time.duration;obs.exposure)
  RAFdeg deg Mean (over exposures) RA of actual fiber position (MEAN_FIBER_RA) (pos.eq.ra;instr)
  s_RAFdeg arcsec [0/106] Standard deviation (over exposures) of RA of actual fiber position (STD_FIBER_RA) (stat.stdev;pos.eq.ra)
  DEFdeg deg Mean (over exposures) DEC of actual fiber position (MEAN_FIBER_DEC) (pos.eq.dec;instr)

ALL cols		    
 (i)indexed column
  s_DEFdeg arcsec [0/110] Standard deviation (over exposures) of DEC of actual fiber position (STD_FIBER_DEC) (stat.stdev;pos.eq.dec)
  b_MJD d Minimum value of the Modified Julian Date (when the shutter was open for the first exposure used in the coadded spectrum) (MIN_MJD) (stat.min;time.epoch)
  B_MJD d Maximum value of the Modified Julian Date (when the shutter was open for the last exposure used in the coadded spectrum) (MAX_MJD) (stat.max;time.epoch)
  MJD d (i) [59198.1/59744.5] Mean value of the Modified Julian Date (when the shutter was open for exposures used in the coadded spectrum) (MEAN_MJD) (time.epoch)
  TSNR2_ELG  ELG template (S/N)^2 summed over B;R;Z (Note 5)   (stat.snr)
  TSNR2_GPBBGHT  Template (S/N)^2 for bright targets in guider pass band (TSNR2_GPBBRIGHT) (stat.snr)
  TSNR2_LYA  LYA template (S/N)^2 summed over B;R;Z (Note 6)   (stat.snr)
  TSNR2_BGS  BGS template (S/N)^2 summed over B;R;Z (Note 5)   (stat.snr)
  TSNR2_GPBBCK  Template (S/N)^2 for backup targets in guider pass band (TSNR2_GPBBACKUP) (Note 5)   (stat.snr)
  TSNR2_QSO  QSO template (S/N)^2 summed over B;R;Z (Note 5)   (stat.snr)
  TSNR2_LRG  LRG template (S/N)^2 summed over B;R;Z (Note 5)   (stat.snr)
  MAIN_PRIM   [0/1] Boolean flag (True/False) for the primary coadded spectrum in Main survey (MAIN_PRIMARY) (meta.code)
  SV_PRIM   [0/1] Boolean flag (True/False) for the primary coadded spectrum in survey validation (SV1+2+3) (SV_PRIMARY) (Note 7)   (meta.code)
  m_TargetID   [1/8] Number of times this TARGETID appears in this catalog (ZCAT_NSPEC) (meta.code.multip)
  ZCAT_PRIM   [0/1] Boolean flag (True/False) for the primary coadded spectrum in this zcatalog (ZCAT_PRIMARY) (meta.code)
  Name (char) (i) Human readable identifier of a sky location (DESI Jddd.dddd+dd.dddd; with truncated decimal RAICRS/DEICRS; precise to 0.36"). Multiple objects can map to a single Name if very close on the sky (DESINAME) (meta.id)

ALL cols		    
 (i)indexed column
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