VizieR

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

VizieR

  
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. (meta.record)
  Trap  Trapezium system number ([AC2000b] Trap NNN) (meta.id;meta.main)
  ID1  Identification number for Figure 1 (meta.id)
  ID2 (char) Identification letter from other sources (meta.id)
  Vmag mag (n) V band magnitudes (phot.mag;em.opt.V)
  B-V mag (n) B-V color (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) U-B color (phot.color;em.opt.U;em.opt.B)
  MKClass (char) MK classification (meta.code.class;src.class)
  date0 yr Date of earlier astrometric measurements (time.epoch)
  date1 yr (n) If present, indicates measurements obtained from date0 to date1 (time.epoch)
  n_sep0 (char) Star pair that sep0 and pa0 refer (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  sep0 arcsec (n) Old angular separation relative to the first star (pos.angDistance;src.orbital)
  f_sep0 (char) [v:] Flag on sep0 (Note 1)   (meta.code)
  pa0 deg (n) Previous position angle relative to the first star (pos.posAng)
  f_pa0 (char) [v orb] Flag on OPA (Note 1)   (meta.code)
  Date yr Date of observations from this work (time.epoch)
  n_sep (char) Star pair that sep and PA refer (meta.note)
  sep arcsec (n) This work's angular separation relative to the first star (pos.angDistance;src.orbital)
  PA deg (n) This work's position angle relative to the first star (pos.posAng)
  Concl (char) Conclusions about the physical association of each component (meta.id.assoc)

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