VizieR

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

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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I/325
  Radio-optical reference frame link (Zacharias+ 2013)
ReadMe+ftp
2013yCat.1325....0Z
Similar Catalogs
Post annotation 		img(gal)
1.I/325/icrf-u2(c)Results from UCAC2-type reductions of ICRF optical counterparts (sample in table 4 of paper) (666 rows)
2.I/325/icrf-u4(c)Results from UCAC4-type reductions of ICRF optical counterparts (sample in table 5 of paper) (682 rows)
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Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)RAJ2000 "h:m:s" Right Ascension ICRS ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
   (ALL)DEJ2000 "d:m:s" Declination ICRS (stat.fit.param;pos.cartesian;arith.diff;(unassigned);arith)
   (ALL)Dist mas [0/1821] Distance between the optical and radio positions (stat.error;src.veloc.gc;arith.factor;em.mm.50-100GHz)
   (ALL)dRA* mas Distance(optical-radio) in RA*cos(Dec) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);instr.background)
   (ALL)dDec mas Distance(optical-radio) in Dec ((unassigned);(unassigned);(unassigned);(unassigned))
   (ALL)eRA mas [4/250] total, formal error of optical position (RA*cos(Dec)) ((unassigned);(unassigned);(unassigned);time.age;(unassigned);(unassigned);(unassigned))
   (ALL)eDE mas [4/250] total, formal error of optical position (Dec) ((unassigned);phys.veloc.orbital;arith.diff;time.age;(unassigned);(unassigned);(unassigned))
   (ALL)sRA  ratio dRA*/eRA (position difference in RA in {sigma}s) ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
   (ALL)sDE  ratio dDE/eDE (position difference in Dec in {sigma}s) ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.circular;meta.main)
   (ALL)eRad mas (n) error of radio position (per coordinate) ((unassigned);(unassigned);(unassigned);time.age;(unassigned);stat.kurtosis;(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Nccd  number of deep CCD exposures used ((unassigned);phys.veloc.orbital;arith.diff;src.var)
   (ALL)Nr*  average number of reference stars per deep exposure used ((unassigned);(unassigned);(unassigned);src.var)
   (ALL)Nrx  average number of reference stars excluded (time.expo;(unassigned);arith.factor;src.var)
   (ALL)err  mean "plate" solution error of individual deep CCD exposures ((unassigned);phys.luminosity.fun;arith.factor;time.age;meta.main)
   (ALL)S/N   [1/1639] Approximate signal/noise ratio of target on individual deep CCD ((unassigned);(unassigned);(unassigned);meta.abstract;phot.fluence)
   (ALL)mag mag (n) Optical brightness from LQAC-2 (J/A+A/537/A99) ((unassigned);pos.wcs.naxis;arith.grad;stat.filling;(unassigned);(unassigned))
   (ALL)z  (n) [0/5] Redshift from LQAC-2 (J/A+A/537/A99) ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
   (ALL)T   [0/3] Object type: 0=unknown, 1=AGN, 2=BL-Lac, 3=QSO (from Veron's 13th ed. (VII/258) ((unassigned);obs.atmos.extinction;arith.factor;phys.atmol.sweight;meta.main)
   (ALL)S  (n) [0.8/7.2] Radio X-band (8-12GHz) structure index from Bordeaux database: 1=very good, 2=good, 3=use with caution, 4=unacceptable ((unassigned);phys.veloc.orbital;arith.diff;pos.cartesian)
   (ALL)U   [2/4] UCAC-type reductions (2 or 4) ((unassigned);(unassigned);(unassigned);spect.line.veloc;pos.wcs.crpix)
   (ALL)Rname (char) B1950 coordinate based name of target ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
   (ALL)R  (n)Number of results for this source with UCAC2- and UCAC4-type reductions (src.class.distance;pos.wcs.crval;arith.factor;src.var)
   (ALL)Run (char) [abo-zJ] Code of deep CCD observing run (Note 1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec;phot.count)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)n_Run (char) [rc] Type of target: r=regular target, c=also used as calibration field ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
   (ALL)Q (char) [ufplgn] Quality letter of optical image (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;pos.cartesian;(unassigned);(unassigned);(unassigned))
   (ALL)M  (n)Existence in Vérons' catalogue (VII/258) and/or LQAC-2 (J/A+A/537/A99) within 3arcsec ((unassigned);(unassigned);(unassigned);pos.geocentric)
   (ALL)Notes (char) Remarks; if a double the separation (pixel) and flux ratio (source/companion) is given ((unassigned);(unassigned);(unassigned);src.var)
   (ALL)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)

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