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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

  A new catalog of HII regions in M31 (Azimlu+, 2011)
Post annotation
1.J/AJ/142/139/table2(c)Catalog of HII regions in M31 (3961 rows)
2.J/AJ/142/139/table3(c)Catalog of potential PNe, removed from final HII region catalog (407 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)ID  Identification number within the table (;meta.main)
   (ALL)Fld (char) Field identifier (;obs.field)
   (ALL)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
   (ALL)majAxis arcsec FWHM of major axis (phys.angSize)
   (ALL)minAxis arcsec FWHM of minor axis (phys.angSize)
   (ALL)PA deg [0/180] Position angle (pos.posAng)
   (ALL)Diam pc Diameter of the region (phys.size.diameter)
   (ALL)Flux mW/m2 Hα emission flux (erg/s/cm2) (phot.flux;em.line.Halpha)
   (ALL)e_Flux mW/m2 Uncertainty in Flux (stat.error;phot.flux)

ALL cols
 (i)indexed column
   (ALL)Ext mag (n) Extinction (phys.absorption)
   (ALL)Lum 10-7W Hα emission luminosity (erg/s) (phys.luminosity;em.line.Halpha)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)M06  (n) Merrett et al. (2006, Cat. J/MNRAS/369/120) catalog number (table3 only) (

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