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J/ApJ/541/841
  UBV photometry and ages of Trapezium systems (Abt+, 2000)
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2000ApJ...541..841A
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1.J/ApJ/541/841/table3bObservational Data (1592 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. ((unassigned);meta.version;arith.diff;phys.veloc)
  Trap  Trapezium system number ([AC2000b] Trap NNN) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  ID1  Identification number for Figure 1 ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  ID2 (char) Identification letter from other sources ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  Vmag mag (n) V band magnitudes ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  B-V mag (n) B-V color ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  U-B mag (n) U-B color ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  MKClass (char) MK classification ((unassigned);meta.version;arith.diff;pos.galactic;phys.atmol.sweight;meta.main)
  date0 yr Date of earlier astrometric measurements ((unassigned);meta.version;arith.diff;pos.centroid;meta.main)
  date1 yr (n) If present, indicates measurements obtained from date0 to date1 ((unassigned);meta.version;arith.diff;pos.centroid;meta.main)
  n_sep0 (char) Star pair that sep0 and pa0 refer ((unassigned);meta.version;arith.diff;phys.veloc.orbital)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  sep0 arcsec (n) Old angular separation relative to the first star ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz;pos.az.zd;meta.main)
  f_sep0 (char) [v:] Flag on sep0 (Note 1)   ((unassigned);meta.version;arith.diff;pos.eq.dec)
  pa0 deg (n) Previous position angle relative to the first star ((unassigned);(unassigned);(unassigned);instr.spect;meta.main)
  f_pa0 (char) [v orb] Flag on OPA (Note 1)   ((unassigned);meta.version;arith.diff;pos.eq.dec)
  Date yr Date of observations from this work ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  n_sep (char) Star pair that sep and PA refer (stat.fit.param;pos.wcs.ctype;arith.grad;phys.veloc.orbital)
  sep arcsec (n) This work's angular separation relative to the first star ((unassigned);meta.version;arith.diff;em.mm.50-100GHz;pos.az.zd;meta.main)
  PA deg (n) This work's position angle relative to the first star ((unassigned);meta.version;arith.diff;instr.spect;meta.main)
  Concl (char) Conclusions about the physical association of each component ((unassigned);meta.version;arith.diff;src.class.color)

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

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846442580 Where phase=3 and catid=15410841
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR191254.err (2026-10-27T18:56:17)
-3
-source=J/ApJ/541/841/table3b
-ref=VIZ6ae0f3d32eb16
elapse time 3