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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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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)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)n_Trap (char) [*] indicates corrections made at CDS (see the "History" section below) (meta.note)
   (ALL)Trap  (i) Trapezium system number ([AC2000b] Trap NNN) (meta.id;meta.main)
  (1+3)RA1900 "h:m:s" (i) Right Ascension (1900) (pos.eq.ra;meta.main)
  (1+3)DE1900 "d:m:s" (i) Declination (1900) (pos.eq.dec;meta.main)
  (1+3)OName (char) Other name (ADS ... = no ADS name) (meta.id)
  (1)u_OName (char) [?] For Trap 237, the HD identification doesn't match the position (meta.code.error)
  (1+2)Concl (char) Conclusions about the group (meta.note;pos.lg)
  (1)E(B-V) mag (n) Reddening (phot.color.excess)
  (1)f_E(B-V) (char) [:?A] Flag on E(B-V) (Note 1)   (meta.code)
  (1)DMod mag (n) Distance modulus (phot.mag.distMod)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)f_DMod (char) [?A] Flag on DMod (Note 1)   (meta.code)
  (1)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  (1)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (2)ID1  Identification number for Figure 1 (meta.id)
  (2)ID2 (char) Identification letter from other sources (meta.id)
  (2+3)Vmag mag (n) V band magnitudes (phot.mag;em.opt.V)
  (2)B-V mag (n) B-V color (phot.color;em.opt.B;em.opt.V)
  (2)U-B mag (n) U-B color (phot.color;em.opt.U;em.opt.B)
  (2)MKClass (char) MK classification (meta.code.class;src.class)
  (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)n_sep0 (char) Star pair that sep0 and pa0 refer (meta.note)
  (2)sep0 arcsec (n) Old angular separation relative to the first star (pos.angDistance;src.orbital)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)f_sep0 (char) [v:] Flag on sep0 (Note 1)   (meta.code)
  (2)pa0 deg (n) Previous position angle relative to the first star (pos.posAng)
  (2)f_pa0 (char) [v orb] Flag on OPA (Note 1)   (meta.code)
  (2)Date yr Date of observations from this work (time.epoch)
  (2)n_sep (char) Star pair that sep and PA refer (meta.note)
  (2)sep arcsec (n) This work's angular separation relative to the first star (pos.angDistance;src.orbital)
  (2)PA deg (n) This work's position angle relative to the first star (pos.posAng)
  (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)DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  (3)s (char) [MTU] Source of position (Note 1)   (meta.ref;pos.frame)
  (3)SpType (char) MK Spectral classification (src.spType)
  (3)Remarks (char) Remarks, from B. Skiff (meta.note)

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