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 Catalog of high extinction clouds (Rygl+, 2010) Query images/fits /fits
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1.J/A+A/515/A42/table2Properties of the high extinction clouds (31 rows)

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)
  HEC (char) High extinction cloud name ( (;meta.main)
  M  (n)2 if NH3 parameters available (table5), 4 if clumps detected (tables 3 or 7) (values summed for combined properties) (meta.ref.url)
  m_HEC (char) [A-D] Subgrouping of cloud based on the kinematic distance (meta.code.multip)
  Rad arcsec (n) Radius of the cloud in arcsec (Note 1)   (phys.angSize;src)
  Rad2 pc (n) Radius of the cloud in parsec (Note 1)   (phys.size.radius)
  <Av> mag (n) Average visual extinction derived from the extinction maps (phys.absorption)
  NH2 10+22cm-2(n) Average hydrogen column density derived from the extinction maps (phys.columnDensity;stat.mean)
  S1.2 Jy (n) Integrated 1.2mm flux (phot.flux.density;
  Mext Msun (n) Cloud mass derived from the extinction maps (phys.mass)
  M1.2 Msun (n) Cloud mass derived from the 1.2mm (phys.mass)
  Clump mJy (n) Peak of the 1.2mm emission in the clump in units of mJy/beam (phot.flux.density;
  Cloud mJy (n) Mean 1.2mm emission of the cloud without the clumps (phot.flux.density;
  Class (char) Class of HEC: diffuse, peaked or multiply p. (src.class)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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