VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

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II/258
  Hubble Ultra Deep Field Catalog (UDF) (STScI, 2004)
Post annotation
img(gal)
1.II/258/udf-i(c)The Ultra-Deep Field Catalog from F775W image (10179 rows)
2.II/258/udf-z(c)The Ultra-Deep Field Catalog from F850LP image (7016 rows)
in Simbad, these sources a numbered from 30000, e.g. source #7 is 30007 in Simbad
Help Xmatch is

 
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)UDF  Running number (Note G1)   (meta.id;meta.main)
   (ALL)Xpos pix Position of the source (toward East) (pos.cartesian.x;instr.det)
   (ALL)Ypos pix Position of the source (toward North) (pos.cartesian.y;instr.det)
   (ALL)RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)Theta deg [-90,+90] source orientation "Theta" (counterclockwise from the X-axis = PA-90) (pos.posAng)
   (ALL)ell  Ellipticity (1-b/a) (src.ellipticity)
   (ALL)R50 pix Half-light radius (phys.angSize;src)
   (ALL)FWHM pix FWHM of a Gaussian fit to each source (phys.angSize;meta.modelled)
   (ALL)Sty  Stellarity (1 for point sources, 0 for fully resolved sources) (src.class.starGalaxy)

ALL cols
    
 (i)indexed column
   (ALL)Bmag mag (n) AB magnitude in F435W filter (Note 2)   (phot.mag;em.opt.B)
   (ALL)e_Bmag mag (n) Formal error on Bmag (stat.error;phot.mag;em.opt.B)
   (ALL)Bs/n  Signal to Noise ratio in F435W filter (stat.likelihood;obs)
   (ALL)Vmag mag (n) AB magnitude in F606W filter (Note 2)   (phot.mag;em.opt.R)
   (ALL)e_Vmag mag (n) Formal error on Vmag (stat.error;phot.mag;em.opt.V)
   (ALL)Vs/n  Signal to Noise ratio in F606W filter (stat.likelihood;obs)
   (ALL)imag mag (n) AB magnitude in F775W filter (Note 2)   (phot.mag;em.opt.I)
   (ALL)e_imag mag (n) Formal error on imag (stat.error;phot.mag;em.opt.I)
   (ALL)is/n  Signal to Noise ratio in F775W filter (stat.likelihood;obs)
   (ALL)zmag mag (n) AB magnitude in F850LP filter (Note 2)   (phot.mag;em.opt.I)
   (ALL)e_zmag mag (n) Formal error on zmag (stat.error;phot.mag;em.opt.I)
   (ALL)zs/n  Signal to Noise ratio in F850LP filter (stat.likelihood;obs)
   (ALL)Flags  SExtractor flags (Note 1)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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