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J/ApJS/267/36
  Low-redshift SDSS type 2 AGNs with var. from CSS. I. (Zhang, 2023)
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2023ApJS..267...36Z
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1.J/ApJS/267/36/varagnBasic information (Table 1) and line parameters (Table 2) of the 156 Type-2 AGN with apparent long-term variabilities[spectrum] (156 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)
  Sp-ID (char) SDSS DR16 plate-mjd-fiberid identifier (meta.id;meta.main)
  zspec   [0/0.4] SDSS DR16 spectroscopic redshift (src.redshift)
  Name (char) SDSS DR16 coordinate based name (Jhhmmss.s±ddmmss.s) (Note G1)   (meta.id)
  m1 mag [11.5/18.5] Mean photometric magnitude of the CSS light curve (phot.mag;em.opt)
  m2 mag [13.2/25.2] SDSS DR16 photometric g-band Petrosian magnitude (phot.mag;em.opt.B)
  logLO3 [10-7W] [0/42.1] log, [OIII] luminosity, erg/s (phys.luminosity)
  e_logLO3 [10-7W] [0.01/0.2] Uncertainty in logLO3 (stat.error)
  logO3HB [-] [-0.53/1.4] log, Flux [OIII]5006Å relative to Flux Hβ (phot.flux;arith.ratio)
  e_logO3HB [-] [0.01/0.851] Uncertainty in logO3HB (stat.error)
  logN2HA [-] [-0.41/0.44] log, Flux [NII]6583Å relative to Flux Hα (phot.flux;arith.ratio)

ALL cols		    
 (i)indexed column
  e_logN2HA [-] [0.006/0.4] Uncertainty in logN2HA (stat.error)
  lnsigma [mag-1.d-0.5] [-3.7/-0.97] natural log, σ/mag/sqrt(day) (stat.fit.param)
  e_lnsigma [mag-1.d-0.5] [0.09/0.6] Uncertainty in lnsigma (stat.error)
  lntau [d-1] [2.8/7.2] natural log, τ/day (stat.fit.param)
  e_lntau [d-1] [0.12/1.5] Uncertainty in lntau (stat.error)
  f_Sp-ID (char) Flag on Sp-ID (Note 1)   (meta.code)
  sig-NII1 0.1nm [1.2/6.1] Second moment, first component, [NII]6583Å, Angstroms (spect.line.width)
  e_sig-NII1 0.1nm [0.01/1.3] Uncertainty in sig-NII1 (stat.error)
  flux-NII1 10-20W/m2 [11/4012] Flux, first component, [NII]6583Å, 10–17erg/s/cm2 (phot.flux)
  e_flux-NII1 10-20W/m2 [1/191] Uncertainty in flux-NII1 (stat.error)
  sig-NII2 0.1nm (n) [2.36/11] Second moment, second component, [NII]6583Å, Angstroms (Note 2)   (spect.line.width)
  e_sig-NII2 0.1nm (n) [0/2] Uncertainty in sig-NII2 (Note 2)   (stat.error)
  flux-NII2 10-20W/m2(n) [36/1488] Flux, second component, [NII]6583Å, 10–17erg/s/cm2 (Note 2)   (phot.flux)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_flux-NII2 10-20W/m2(n) [8/147] Uncertainty in flux-NII2 (Note 2)   (stat.error)
  sig-Ha1 0.1nm [1.38/9.1] Second moment, first component, Hα, Angstroms (spect.line.width)
  e_sig-Ha1 0.1nm [0.02/2.4] Uncertainty in sig-Ha1 (stat.error)
  flux-Ha1 10-20W/m2 [10/3751] Flux, first component, Hα, 10–17erg/s/cm2 (phot.flux)
  e_flux-Ha1 10-20W/m2 [1/150] Uncertainty in flux-Ha1 (stat.error)
  sig-Ha2 0.1nm (n) [1.4/103] Second moment, second component, Hα, Angstroms (Note 2)   (spect.line.width)
  e_sig-Ha2 0.1nm (n) [0.07/9] Uncertainty in sig-Ha2 (Note 2)   (stat.error)
  flux-Ha2 10-20W/m2(n) [37/4705] Flux, second component, Hα, 10–17erg/s/cm2 (Note 2)   (phot.flux)
  e_flux-Ha2 10-20W/m2(n) [4/391] Uncertainty in flux-Ha2 (Note 2)   (stat.error)
  chi2   [0.28/4.1] Determined χ2 (Note 3)   (stat.fit.chi2)
  bHa (char) Broad Hα components? (meta.code)
  Sp  Interactive spectrum from SDSS-DR16 (meta.ref.url)
spectrum
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Positions from SDSS-DR16 names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS-DR16 names (declination part) (pos.eq.dec;meta.main)

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