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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/541/841
  UBV photometry and ages of Trapezium systems (Abt+, 2000)
Post annotation
img(gal)
1.J/ApJ/541/841/table3a(c)Conclusions about the Possible Trapezium Systems (265 rows)
2.J/ApJ/541/841/table3bObservational Data (1592 rows)
3.J/ApJ/541/841/trap(c)*Accurate positions and remarks, by B. Skiff (Note) (310 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1+2)Concl (char) Conclusions about the group (meta.note;pos.lg)
  (1+3)DE1900 "d:m:s" (i) Declination (1900) (pos.eq.dec;meta.main)
  (1)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (1)DMod mag (n) Distance modulus (phot.mag.distMod)
  (1)E(B-V) mag (n) Reddening (phot.color.excess)
  (1)f_DMod (char) [?A] Flag on DMod (Note 1)   (meta.code)
  (1)f_E(B-V) (char) [:?A] Flag on E(B-V) (Note 1)   (meta.code)
  (1)n_Trap (char) [*] indicates corrections made at CDS (see the "History" section below) (meta.note)
  (1+3)OName (char) Other name (ADS ... = no ADS name) (meta.id)
  (1+3)RA1900 "h:m:s" (i) Right Ascension (1900) (pos.eq.ra;meta.main)
  (1)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Trap  (i) Trapezium system number ([AC2000b] Trap NNN) (meta.id;meta.main)
  (1)u_OName (char) [?] For Trap 237, the HD identification doesn't match the position (meta.code.error)
  (2)B-V mag (n) B-V color (phot.color;em.opt.B;em.opt.V)
  (2)Date yr Date of observations from this work (time.epoch)
  (2)date0 yr Date of earlier astrometric measurements (time.epoch)
  (2)date1 yr (n) If present, indicates measurements obtained from date0 to date1 (time.epoch)
  (2)f_pa0 (char) [v orb] Flag on OPA (Note 1)   (meta.code)
  (2)f_sep0 (char) [v:] Flag on sep0 (Note 1)   (meta.code)
  (2)ID1  Identification number for Figure 1 (meta.id)
  (2)ID2 (char) Identification letter from other sources (meta.id)
  (2)MKClass (char) MK classification (meta.code.class;src.class)
  (2)n_sep (char) Star pair that sep and PA refer (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)n_sep0 (char) Star pair that sep0 and pa0 refer (meta.note)
  (2)PA deg (n) This work's position angle relative to the first star (pos.posAng)
  (2)pa0 deg (n) Previous position angle relative to the first star (pos.posAng)
  (2)sep arcsec (n) This work's angular separation relative to the first star (pos.angDistance;src.orbital)
  (2)sep0 arcsec (n) Old angular separation relative to the first star (pos.angDistance;src.orbital)
  (2)U-B mag (n) U-B color (phot.color;em.opt.U;em.opt.B)
  (2+3)Vmag mag (n) V band magnitudes (phot.mag;em.opt.V)
  (3)DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  (3)Name (char) Name of the system (ADS ... = no ADS name) (meta.id)
  (3)RAJ2000 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
  (3)Remarks (char) Remarks, from B. Skiff (meta.note)
  (3)s (char) [MTU] Source of position (Note 1)   (meta.ref;pos.frame)
  (3)SpType (char) MK Spectral classification (src.spType)

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