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J/MNRAS/539/1458
  First Cosmic Gamma-Ray Horizon Catalogue, 1CGH (Arsioli+, 2025)
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2025MNRAS.539.1458A
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Post annotation 		img(gal)
1.J/MNRAS/539/1458/1cgh_v1First Cosmic Gamma-ray Horizon (1CGH) catalogue (2791 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  1CGH (char) Source identifier, formatted as 1CGHJHHMM+DDMM, based on J2000 coordinates (1CGH_name) (Note 1)   (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension (J2000) (RA_1CGH) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (DEC_1CGH) (pos.eq.dec;meta.main)
  CtpName (char) Name of the source from catalogs such as 5BZcat, 3HSP, 4FGL-DR4, or others (Counterpart_name) (meta.id.assoc)
  N0 10-16ph/cm2/s/MeVNormalization constant of the power-law fit at the pivot energy (N0[1E-16]) (stat.fit.param)
  e_N0 10-16ph/cm2/s/MeVUncertainty in the normalization constant (N0_err[1E-16]) (stat.error)
  Index  Photon spectral index of the power-law model (Index) (stat.fit.param)
  e_Index  (n) Uncertainty in the photon spectral index (Index_err) (stat.error;spect.index)
  Flux 10-12ph/cm2/sIntegrated photon flux (10-800GeV), estimated with a power-law fit (Flux[1E-12]) (phot.flux.density;em.gamma.hard)
  e_Flux 10-12ph/cm2/sUncertainty in the integrated photon flux (Flux_err[1E-12]) (stat.error;phot.flux)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  TS  Test Statistic value for the source detection (TS) (stat.likelihood;obs)
  sigma  The significance for the source detection (sigma) (stat.fit.goodness)
  z  (n) Redshift of the source (z) (src.redshift)
  f_z  (n) [1/3] Redshift reliability flag (zflag) (Note 2)   (meta.code)
  r_z (char) Reference for the redshift, as described in the text (z_origin) (Note 3)   (meta.ref;pos.frame)
  Nph128  Number of photons associated (Source_type events, evclass=128) (Nph_128) (phot.count;em.X-ray)
  Emax128 GeV Maximum photon energy detected (evclass=128) (Emax_128[GeV]) (em.energy;stat.max)
  Nph512  Number of photons associated (UltraClean_type events, evclass=512) (Nph_512) (phot.count;em.X-ray)
  Emax512 GeV Maximum photon energy detected (evclass=512) (Emax_512[GeV]) (em.energy;stat.max)
  Ebinmax GeV Mean energy of the four highest-energy photons (evclass=128) (Ebin_max[GeV]) (phys.energy;stat.mean)
  TransEbin  (n) Flux transmission factor at Ebin_max. (TransmissionEbin) (arith.factor;phot.flux)
  AbsEbin  (n) Flux absorption factor at Ebin_max, calculated as (1 - Transmission) (AbsEbin) (arith.factor;phot.flux)
  tauEbin  (n) EBL optical depth at Ebin_max (tauEbin) (phys.absorption.opticalDepth)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Absflag  (n) [0/1] Absorption flag (Abs_flag) (Note 4)   (meta.code)
  GLAT deg Galactic latitude (GAL_LAT) (pos.galactic.lat)
  BZcat (char) Identifier in the 5BZcat catalogue, if available. (BZcat) (meta.id.assoc)
  z3HSP  (n) Redshift from the 3HSP catalogue, if available (z_3HSP) (src.redshift;pos.heliocentric)
  f_z3HSP  (n) [1/5] Redshift flag from the 3HSP catalogue (zflag_3HSP) (Note 5)   (meta.code)
  4FGL (char) Counterpart name in 4FGL-DR4 (4FGLcountername) (meta.id)
  f_4FGL (char) Flag for TeVCat association, as per 4FGL-DR4 (TEVCATFLAG4FGLdr4) (meta.code)
  Ass4FGL4 (char) TeV association in 4FGL-DR4 (ASSOCTEV4FGLdr4) (meta.code)
  Class4FGL4 (char) Classification in 4FGL-DR4 (CLASS1_4FGLdr4) (meta.code.class)
  Asso4FGL4 (char) Counterpart name in 4FGL-DR4 (ASSOC1_4FGLdr4) (meta.id)
  4LACdr3 (char) Counterpart name in 4LAC-DR3 (Name_4LACdr3) (meta.id)
  z4LACdr3  (n) Redshift as reported in 4LAC-DR3. (z4LACdr31) (src.redshift;pos.heliocentric)
  3FHL (char) Counterpart name in 3FHL (Name_3FHL) (meta.id)
  z3FHL  (n) Redshift as reported in 3FHL (z_3FHL) (src.redshift;pos.heliocentric)
  Curv3FHL  (n) Detectable spectral curvature in 3FHL (Curvature_3FHL) (Note 6)   (stat.fit.param)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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