VizieR

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

VizieR

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J/AJ/165/139
  The celestial reference frame at K-band; imaging.I (de Witt+, 2023)
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2023AJ....165..139D
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/165/139/table3(c)*Summary of the 732 sources observed in the BJ083 and UD001 sessions (Note) (732 rows)
2.J/AJ/165/139/table5Image parameters and image quality measures (5879 rows)
3.J/AJ/165/139/table8Results from the image quality and source structure analysis (5879 rows)
4.J/AJ/165/139/table9Variability in the source peak brightness, flux densities and structure measures (731 rows)
5.J/AJ/165/139/table10Modelfitting results (5879 rows)

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. (meta.record)
   (ALL)Name (char) (i) J2000 source name (Note 1)   (meta.id;meta.main)
  (1)IVS (char) IVS source name (meta.id)
  (1)D (char) [D] Indicates an ICRF-3 defining source (meta.code)
  (1)RAJ2000 "h:m:s" (n)(i) [0/23] Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (n)(i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)Type (char) Object type (src.class)
  (1)z  (n) [0/5.47] Redshift (Note 2)   (src.redshift)
  (1)Vmag mag (n) [10.8/23] V magnitude (Note 2)   (phot.mag;em.opt.V)
  (1)Gmag mag (n) [13.2/21.4] G magnitude (Note 2)   (phot.mag;em.opt.V)
  (1)MJD1   [0/58321] MJD for first observation of source; MJD-2400000.5 (time.epoch)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)MJD2   [0/58322] MJD for last observation of source; MJD-2400000.5 (time.epoch)
  (1)Nsch   [1/29] Number of times source was scheduled (meta.number)
  (1)Nimh   [0/28] Number of successful images produced for each source (meta.number)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2+3+5)Session (char) Session Name (meta.id;meta.file)
  (2)Nantennas   [4/10] Number of antennas (meta.number)
  (2)Nscans   [1/6] Number of scans (meta.number)
  (2)Nvis   [9810/288672] Number of visibilities (meta.number)
  (2)Speak Jy/beam [0.05/12] Image peak flux density (phot.flux.density)
  (2)Scln Jy [0.06/18.1] CLEAN total flux density (phot.flux.density)
  (2)Sshort Jy [-1/17.7] Correlated flux density on short baselines (Note 1)   (phot.flux.density)
  (2)Slong Jy [-1/9.621] Correlated flux density on long baselines (Note 2)   (phot.flux.density)
  (2)rms mJy/beam [0.16/127] Image background rms brightness level (stat.stdev;instr.det.noise)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)SNR   [20/2892] Image Signal-to-Noise ratio (stat.snr;arith.ratio)
  (2)chi2   [0.78/7.54] Square root of reduced chi squared (Note 3)   (stat.fit.chi2)
  (2)Sr mJy/beam [0.7/493] Absolute maximum brightness value in residual image (phot.mag.sb;stat.max)
  (2)Beam-min mas [0.21/2.3] Minor axis FWHM of the restoring beam (phys.angSize;instr.beam)
  (2)Beam-maj mas [0.38/7.46] Major axis FWHM of the restoring beam (phys.angSize;instr.beam)
  (2)bpa deg [-89.9/89.8] Beam position angle (pos.posAng;instr.beam)
  (2)EPhase rad [0.004/0.84] Estimated residual rms phase calibration error (stat.error)
  (3)Q   [0.33/0.97] Image quality fraction (meta.code.qual)
  (3)Core Jy [0.06/12.5] Core flux density (phot.flux.density)
  (3)C1   [0.28/1.21] Peak fraction (phot.flux;arith.ratio)
  (3)C2   [0.11/1.21] Core fraction (phot.flux;arith.ratio)
  (3)C3   [-1/1.66] Correlated flux fraction (phot.flux;arith.ratio)
  (3)R mas [0/51.86] Radial extent (phys.angSize;src)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)R4.0 mas [0/3.93] Radial extent within 4mas (phys.angSize;src)
  (3)E mas [0/10.9] Flux-density-weighted radial extent (phys.angSize;src)
  (3)E4.0 mas [0/1.56] Flux-density-weighted radial extent within 4mas (phys.angSize;src)
  (3)mDelay ps [0/138] Median value of the structure delay corrections (arith.factor)
  (3)SI   [0/5.28] Structure Index (meta.code;spect.index)
  (4)Mean-Sp   [-1/8.01] Peak brightness mean value (src.sample;stat.mean)
  (4)Var-Sp   [-1/0.58] Peak brightness variability index (src.var.index)
  (4)Mean-Sc   [-1/8.81] Core flux density mean value (src.sample;stat.mean)
  (4)Var-Sc   [-1/0.71] Core flux density variability index (src.var.index)
  (4)Mean-Scln   [-1/13.61] CLEAN flux density mean value (src.sample;stat.mean)
  (4)Var-Scln   [-1/0.59] CLEAN fluxdensity variability index (src.var.index)
  (4)Mean-Ss   [-1/13.1] Correlated flux density on short baselines mean value (Note 1)   (src.sample;stat.mean)
  (4)Var-Ss   [-1/0.59] Correlated flux density on short baselines variability index (Note 1)   (src.var.index)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Mean-Sl   [-1/6.4] Correlated flux density on long baselines mean value (Note 2)   (src.sample;stat.mean)
  (4)Var-Sl   [-1/0.91] Correlated flux density on long baselines variability index (Note 2)   (src.var.index)
  (4)Mean-C1   [-1/1.04] Peak fraction mean value (src.sample;stat.mean)
  (4)Std-C1   [-1/0.19] Peak fraction standard deviation (stat.stdev)
  (4)Mean-C2   [-1/1.04] Core fraction mean value (src.sample;stat.mean)
  (4)Std-C2   [-1/0.55] Core fraction standard deviation (stat.stdev)
  (4)Mean-C3   [-1/1.02] Correlated flux fraction mean value (src.sample;stat.mean)
  (4)Std-C3   [-1/0.33] Correlated flux fraction standard deviation (stat.stdev)
  (4)Mean-R mas [-1/18.55] Radial extent mean value (src.sample;stat.mean)
  (4)Std-R mas [-1/25.76] Radial extent standard deviation (stat.stdev)
  (4)Mean-R4.0 mas [-1/3.43] Radial extent within 4mas meanvalue (src.sample;stat.mean)
  (4)Std-R4.0 mas [-1/1.61] Radial extent within 4mas standard deviation (stat.stdev)
  (4)Mean-E mas [-1/3.53] Flux weighted radial extent mean value (src.sample;stat.mean)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Std-E mas [-1/3.56] Flux weighted radial extent standard deviation (stat.stdev)
  (4)Mean-E4.0 mas [-1/1.26] Flux-density-weighted radial extent within 4mas mean value (src.sample;stat.mean)
  (4)Std-E4.0 mas [-1/0.33] Flux-density-weighted radial extent within 4mas standard deviation (stat.stdev)
  (4)Mean-SI   [-1/4.14] Structure index mean value (src.sample;stat.mean)
  (4)Std-SI   [-1/1.98] Structure index standard deviation (stat.stdev)
  (5)Chi2   [0.61/329] Reduced chi squared from the two-component modelfit (stat.fit.chi2)
  (5)FC1 mJy [35/13400] Flux density of the core component (phot.flux.density)
  (5)l_FWHM-C1 (char) Limit flag on FWHMSize-C1 (meta.code.error)
  (5)FWHM-C1 mas [0.01/2.14] FWHM angular size of core component (phys.angSize)
  (5)FJ1 mJy (n) [1.48/7538] Flux density of the 2nd component (phot.flux.density)
  (5)l_FWHM-J1 (char) Limit flag on FWHMSize-J1 (meta.code.error)
  (5)FWHM-J1 mas (n) [0.01/12.8] FWHM angular size of 2nd component (phys.angSize)
  (5)Rad-J1 mas (n) [0.15/16] Radius of the 2nd component from map centre (phys.angSize)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (5)Ang-J1 deg (n) [-180/180] Position Angle of the 2nd component measured north through east (pos.cartesian)

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