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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

  
J/A+A/636/A2
  HII regions detected in absorption (Polderman+, 2020)
ReadMe+ftp
2020A&A...636A...2P
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/636/A2/tablea1Complete and updated catalog of HII regions detected in absorption (144 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)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  Dist kpc Distance from the Sun to the HII region (pos.distance)
  n_Dist (char) [5] Note on Dist (Note 1)   (meta.note)
  e_Dist kpc rms uncertainty on Distance (stat.error)
  Tobs 10+3K Brightness temperature derived from the measured intensity at the observing frequency (phys.temperature)
  n_Tobs (char) [2] Note on Tobs (Note 1)   (meta.note)
  e_Tobs 10+3K rms uncertainty on Tobs (stat.error)
  T 10+3K Synchrotron brightness temperature of the column in front (n_T=F) or behind (n_T=B) the HII region (phys.temperature)
  f_T (char) [a] Flag on T (Note 1)   (meta.code)

ALL cols		    
 (i)indexed column
  e_T 10+3K rms uncertainty on T (stat.error)
  n_T (char) [FB] front or behind for synchrotron brightness temperature (meta.note)
  Te 10+3K Electron temperature of the HII region (phys.temperature.electron;phys.electron;obs.field)
  e_Te 10+3K rms uncertainty on Te (stat.error)
  n_Te (char) [1,3] Note on e_Te (Note 1)   (meta.note)
  eps K/pc Emissivity of the column in front (n_eps=F) or behind (n_eps=B) the HII region (phys.emissivity)
  e_eps K/pc rms uncertainty on eps (stat.error)
  n_eps (char) [FB] front or behind for emissivity (meta.note)
  Source  Origin paper of the data (Note 2)   (meta.bib)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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