VizieR

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VizieR

  
J/ApJS/231/15
  Astrometric monitoring of ultracool dwarf binaries (Dupuy+, 2017)
ReadMe+ftp
2017ApJS..231...15D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/231/15/table2Relative astrometry from Keck/NIRC2 adaptive optics imaging and masking (339 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)
  ID (char) Identifier (G1) (Note)   (meta.id;meta.main)
  Nep   [1/17] Number of epochs observed (meta.number)
  Delt yr (n) [0/12] Time between first and last observations (only for table 2) (time.interval)
  Date "Y:M:D" (n)UT date of the observation (time.epoch;obs)
  MJD d (n) Modified Julian Date of the observation (only for table 2) (time.epoch)
  Sep mas [25/389] Separation (pos.angDistance)
  e_Sep mas [0.06/20] Uncertainty in Sep (stat.error)
  PA deg Position angle (pos.posAng)
  e_PA deg [0.01/30] Uncertainty in PA (stat.error)
  Delmag mag (n) [-0.7/4.2] Magnitude difference between components in Filt (phot.mag;arith.diff)
  e_Delmag mag (n) [0.001/0.8] Uncertainty in Delmag (stat.error;phot.mag)
  Filt (char) Filter used in the observation (instr.setup;obs)
  Nf  (n) [3/62] Number of frames obtained in the observation (only for table 2) (meta.number)
  Note (char) Additional notes (Note 1)   (meta.note)

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