VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

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/645/A110
  Hypercompact HII regions (Yang+, 2021)
ReadMe+ftp
2021A&A...645A.110Y
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/645/A110/table5Derived physical properties of 116 young HII regions (116 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)
  Name (char) Galactic name (GLLL.llll+BB.bbbb) (meta.id;meta.main)
  ne cm-3 Electron number density (meta.id)
  Diam pc physical linear diameter (pos.distance)
  EM pc/cm6 Emission measure (phys.emissMeasure)
  nut GHz Turnover frequency (em.freq)
  logNLy [s-1] Lyman continuum photons (phot.count;em.X-ray)
  Sptype (char) Spectral type derived from Lyman continuum flux (src.spType)
  fd  (n) fraction of ionizing photons absorbed by dust within HII regions (Note 1)   (meta.number)
  Cband (char) Name of the C-band image in subdirectory images (meta.note)
  Kband (char) Name of the K-band image in subdirectory images (meta.note)
  Xband (char) Name of the X-band image in subdirectory images (pos.cartesian.x;obs.image)
  Fit (char) Name of the fitting image in subdirectory images (meta.id;meta.file)
  _Glon deg Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.galactic.lon)
  _Glat deg Declination (J2000) from SIMBAD (not part of the original data) (pos.galactic.lat)
  _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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