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J/AJ/129/2420
  Proper motion derivatives of binaries (Makarov+, 2005)
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1.J/AJ/129/2420/table1(c)A catalog of astrometric binaries with discrepant proper motions in Hipparcos and Tycho-2 (1929 rows)
2.J/AJ/129/2420/table2(c)A catalog of astrometric binaries with accelerating proper motions in Hipparcos (2622 rows)
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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)
   (ALL)HIP   [68/118213] HIP (I/239) number
   (ALL)HIP_data (char) (i) Link to all parameters supplied by the results of the Hipparcos mission (pos.eq.dec;meta.main)
   (ALL)TYC1  TYC-1 (I/239) identification
   (ALL)TYC2  TYC-2 (I/239) identification
   (ALL)TYC3  TYC-3 (I/239) identification
  (1)pmRA mas/yr Proper motion from HIP, mualpha*cos(delta)
  (1)pmDE mas/yr Proper motion from HIP, mudelta
  (1)e_pmRA mas/yr Error of HIP proper motion
  (1)e_pmDE mas/yr Error of HIP proper motion
  (1)pmRAT mas/yr Proper motion from Tycho-2, mualpha*cos(delta)

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 (i)indexed column
  (1)pmDET mas/yr Proper motion from Tycho-2, mudelta
  (1)e_pmRAT mas/yr Error of Tycho-2 proper motion
  (1)e_pmDET mas/yr Error of Tycho-2 proper motion
   (ALL)plx mas HIP trigonometric parallax
   (ALL)e_plx mas Error of HIP parallax
   (ALL)Flag (char) [A] Acceleration flag
  (1)logQ0 [yr-1] Q0 factor (Note 1)   
   (ALL)u_plx (char) [U] Uncertain parallax
   (ALL)Simbad (char) ask the Simbad data-base about this object
   (ALL)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (2)dpmRA/dt mas/yr+2 Acceleration from HIP, d(mualpha*cosδ)/dt
  (2)dpmDE/dt mas/yr+2 Acceleration from HIP, d(mudelta)/dt

ALL cols
    
 (i)indexed column
  (2)e_dpmRA/dt mas/yr+2 Errors of HIP acceleration
  (2)e_dpmDE/dt mas/yr+2 Errors of HIP acceleration
  (2)Sig  Significance level
  (2)d2pmRA/dt2 mas/yr+3 (n) Second derivatives of proper motion from HIP, d2(mualpha*cosδ)/dt2
  (2)d2pmDE/dt2 mas/yr+3 (n) Second derivatives of proper motion from HIP, d2(mudelta)/dt2
  (2)e_d2pmRA/dt2 mas/yr+3 (n) Error of HIP second derivatives
  (2)e_d2pmDE/dt2 mas/yr+3 (n) Error of HIP second derivatives
  (2)Sig2  (n) Significance level
  (2)logQ1 [yr-2] Q1 factor (Note 1)   

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