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J/AJ/170/8
  Sightlines candidates for observing ISM CII absorption (Clark+, 2025)
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2025AJ....170....8C
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1.J/AJ/170/8/catalogCatalog of candidate sightlines and predicted observation parameters for observing Milky Way [CII] absorption (Tables 3 and 4) (Note) (402 rows)

Simple ConstraintList Of Constraints
 
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ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Name (char) Name (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension, sight line (J2000) (Note 1)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination, sight line (J2000) (Note 1)   (pos.eq.dec;meta.main)
  NH cm-2 [7e19/5.5e21] Total (HI+H2) hydrogen column density, cgs (phys.columnDensity)
  fmol   [0/0.2] Molecular gas fraction, Eq. 4 (phys.mass;arith.ratio)
  NCII cm-2 [1.5e16/1.1e18] Predicted column density of CII, cgs (Note 2)   (phys.columnDensity)
  tauCIIdv km/s [0.1/7.3] Predicted, integrated line opacity (Note 2)   (phys.absorption.coeff)
  tauCIIpeak   [0.003/0.35] Predicted line opacity at velocity where peak absorption occurs (Note 2)   (phys.absorption.coeff)
  Fcont Jy [0.03/313.7] 160 um flux density of the background source, measured within the defined aperture (phot.flux.density;em.mm.1500-3000GHz)
  dFcont Jy [-39.8/-0.001] Reduction in flux density expected at the wavelength absorption is greatest (Note 2)   (phot.flux;arith.ratio)

ALL cols		    
 (i)indexed column
  CIIratio   [0.1/2599] Predicted ratio between Milky Way [CII] emission and absorption for the sightline (Note 2)   (phot.flux;arith.ratio)
  SubErr % [0/100] Median error on the sky subtraction (Note 3)   (stat.error;instr.skyLevel)
  tauCIIpeak-F   [0.002/0.341] Predicted FIRSST line opacity at peak (Note 1)   (phys.absorption.coeff)
  IntTime-F s [9.8e-5/157660] Predicted FIRSST integration time (Note 2)   (time.expo)
  tauCIIpeak-P   [-3.7e-14/0.1] Predicted PRIMA line opacity at peak (Note 1)   (phys.absorption.coeff)
  IntTime-P s [1e-4/185801] Predicted PRIMA integration time (Note 2)   (time.expo)
  tauCIIpeak-S   [3e-3/0.345] Predicted SALTUS line opacity at peak (Note 1)   (phys.absorption.coeff)
  IntTime-S s [7.2e-6/11605] Predicted SALTUS integration time (Note 2)   (time.expo)
  tauCIIpeak-O   [1e-3/0.299] Predicted Origins line opacity at peak (Note 1)   (phys.absorption.coeff)
  IntTime-O s [4.6e-8/74.2] Predicted Origins integration time (Note 2)   (time.expo)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)

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