Table 2.  Comparison of differences for radio positions from vector rotation and standard rotation
with Hipparcos positions.
 
Radiostar Calibrator Radiopositions Diff ( RA )     Diff ( DEC ) Sum of mean errors of radiopos.
and Hipp.pos.
( = sigma)
    ( resulting from vector rotation ) ( Radio/vect. - Hipparcos )    
    R.A. (J2000) Decl. (J2000) ( Radio/std. - Hipparcos ) RA DEC  
    [hh mm ss.sssss] [dd mm ss.sssss] [mas] [mas] [mas] [mas]  
 
1036 0300+471 04 18 14.5370261 +50 17 44.835955 42.450 36.382 21.631 21.604  
  46.001 40.705  
1075 0727-115 06 54 13.0460498 -23 55 42.117544 -35.576 -28.849 14.073 60.219  
  6.415 -63.798  
1083 0727-115 07 33 47.9721414 -14 31 26.069473 3.441 1.861 29.440 20.415  
  47.118 -30.891  
1083 0859-140 07 33 47.9708988 -14 31 26.114279 -14.602 -42.945 29.440 20.415  
  47.118 -30.891  
1143 1404+286 13 34 47.6816630 +37 10 56.854480 -19.703 -12.067 12.657 10.577  
  -38.979 -19.614  
1172 1611+343 16 14 41.2297485 +33 51 32.560328 -13.922 21.842 14.607 14.088  
  30.867 12.295  
1189 1749+096 17 58 07.0113959 +15 08 20.632660 67.756 -53.067 15.402 20.577  
  51.074 -78.813  
1190 1730-130 18 03 52.4439860 -24 21 38.547073 -1.722 53.106 28.870 70.246  
  -15.893 112.371  
1197 1741-038 18 23 22.7923159 -12 40 51.771434 -5.037 -3.226 12.606 9.108  
  32.380 -18.891  
1201 1751+288 18 50 04.7902233 +33 21 45.740125 -36.399 60.129 13.117 10.943  
  -4.407 5.481  
1225 2005+403 20 20 27.9837168 +43 51 16.306639 -9.220 -9.256 11.976 10.953  
  12.921 -19.495  
1227 2005+403 20 32 22.4268474 +41 18 19.007012 14.364 4.264 30.891 27.665  
  40.936 -9.918  
2478 2021+614 21 56 39.1531822 +63 37 32.079263 57.792 10.721 33.668 20.318  
  65.445 -9.608  
1246 2200+420 22 01 30.6486841 +43 53 25.276441 11.064 7.309 22.906 21.535  
  11.945 -3.918  
1250 2200+420 22 08 40.9050735 +45 44 31.270548 -10.950 -3.941 11.244 11.073  
  -10.306 -15.169  
1263 2320-035 23 13 23.7650841 +02 40 31.150402 -11.810 -4.778 17.806 11.824  
  -51.006 14.597  
1272 2337+264 23 55 03.2854073 +28 38 00.612651 17.163 -22.441 27.214 11.143  
  6.345 -7.328  
  Mean :
 
resp. :
 
3.241
± 29.525
16.351
± 33.043
0.885
± 30.300
-7.229
± 41.527
 
 Radio positions from   : Florkowski D.R., Johnston K.J., Wade C.M., de Vegt C., 1985, AJ 90, 2381
                          VLA positions have been adapted to the conventions of the J2000 coordinate system.

 Optical positions from : ESA , 1997, ESA SP-1200, The Hipparcos and Tycho Catalogues
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