                                                                BULLETIN B 254
                                        			5 May 2009
   
    
 Contents are described in ftp://hpiers.obspm.fr/iers/bul/bulb/bulletinb.pdf 
	
 1 - DAILY SMOOTHED VALUES OF  x, y, UT1-UTC, UT1R-UTC, dX, dY
 Angular unit is milliarcsecond (mas), time unit is millisecond (ms). 
 The reference systems are described in the 2006 IERS Annual Report.
 
       DATE     MJD       x       y      UT1-UTC      dX     dY     x err    y err   UT1 err  X err  Y err
    (0 h UTC)            mas     mas       ms         mas    mas     mas      mas      ms     mas     mas

 Final values 

 Mean formal error      0.020    0.023    0.0376    0.072  0.123 
 
2009   1  31   54862 -102.833  205.365  382.4439   -0.199 -0.085    0.032    0.038    0.0486  0.051  0.127
2009   2   1   54863 -105.459  208.037  381.5437   -0.221 -0.120    0.033    0.038    0.0445  0.050  0.126
2009   2   2   54864 -107.489  210.660  380.7136   -0.223 -0.091    0.031    0.030    0.0327  0.047  0.119
2009   2   3   54865 -108.400  213.576  380.0427   -0.207 -0.030    0.030    0.016    0.0257  0.047  0.119
2009   2   4   54866 -109.018  217.008  379.5070   -0.184  0.027    0.031    0.016    0.0324  0.045  0.114
2009   2   5   54867 -110.042  220.745  379.0659   -0.169  0.046    0.031    0.030    0.0356  0.041  0.102
2009   2   6   54868 -111.673  224.431  378.6287   -0.172  0.023    0.031    0.038    0.0237  0.040  0.100
2009   2   7   54869 -113.815  227.977  378.0937   -0.198 -0.028    0.032    0.037    0.0283  0.040  0.100
2009   2   8   54870 -115.902  231.431  377.3351   -0.243 -0.080    0.027    0.026    0.0440  0.041  0.104
2009   2   9   54871 -118.087  234.480  376.3037   -0.309 -0.111    0.015    0.016    0.0338  0.058  0.146
2009   2  10   54872 -119.729  237.232  375.0237   -0.351 -0.112    0.015    0.017    0.0246  0.058  0.146
2009   2  11   54873 -120.539  240.419  373.5832   -0.333 -0.080    0.023    0.028    0.0312  0.058  0.146
2009   2  12   54874 -121.389  244.150  372.1433   -0.266 -0.035    0.014    0.027    0.0435  0.044  0.111
2009   2  13   54875 -122.379  247.763  370.8811   -0.131 -0.005    0.011    0.017    0.0292  0.042  0.106
2009   2  14   54876 -123.690  251.257  369.9206    0.035  0.002    0.013    0.018    0.0357  0.042  0.106
2009   2  15   54877 -125.272  254.961  369.2113    0.160 -0.004    0.023    0.029    0.0538  0.042  0.106
2009   2  16   54878 -126.816  258.801  368.6792    0.153  0.002    0.016    0.030    0.0497  0.033  0.083
2009   2  17   54879 -128.630  262.151  368.3044    0.060  0.016    0.011    0.018    0.0353  0.033  0.082
2009   2  18   54880 -130.489  265.097  368.0646   -0.091  0.039    0.011    0.014    0.0248  0.033  0.082
2009   2  19   54881 -132.348  268.003  367.9049   -0.213  0.062    0.012    0.014    0.0296  0.035  0.087
2009   2  20   54882 -133.379  270.469  367.7699   -0.270  0.075    0.012    0.014    0.0322  0.041  0.104
2009   2  21   54883 -133.709  273.091  367.6138   -0.261  0.079    0.011    0.014    0.0396  0.042  0.105
2009   2  22   54884 -134.197  275.870  367.3530   -0.222  0.084    0.011    0.017    0.0657  0.042  0.105
2009   2  23   54885 -133.817  278.719  366.8716   -0.205  0.040    0.014    0.016    0.0689  0.049  0.124
2009   2  24   54886 -133.123  282.179  366.1518   -0.177  0.034    0.025    0.012    0.0274  0.050  0.126
2009   2  25   54887 -133.363  285.685  365.2167   -0.160  0.032    0.031    0.013    0.0176  0.049  0.123
2009   2  26   54888 -133.580  289.003  364.0774   -0.120  0.033    0.026    0.018    0.0242  0.055  0.138
2009   2  27   54889 -133.614  292.572  362.8290   -0.088  0.034    0.013    0.032    0.0439  0.090  0.226
2009   2  28   54890 -133.986  296.223  361.5635   -0.080  0.034    0.010    0.037    0.0608  0.095  0.239
2009   3   1   54891 -134.380  299.860  360.3425   -0.108  0.031    0.013    0.030    0.0540  0.080  0.200
2009   3   2   54892 -134.787  303.324  359.2100   -0.153 -0.001    0.013    0.015    0.0259  0.047  0.117

 Preliminary extension 
2009   3   3   54893 -134.781  306.388  358.1956 -0.213 -0.032    0.013    0.011    0.0174  0.036  0.091
2009   3   4   54894 -134.170  309.721  357.3171 -0.245 -0.051    0.020    0.014    0.0236  0.037  0.092
2009   3   5   54895 -133.705  313.257  356.5502 -0.220 -0.060    0.011    0.024    0.0468  0.051  0.128
2009   3   6   54896 -133.453  316.879  355.7795 -0.133 -0.064    0.009    0.015    0.0362  0.057  0.143
2009   3   7   54897 -133.143  320.773  354.8782 -0.016 -0.068    0.012    0.016    0.0422  0.057  0.143
2009   3   8   54898 -133.000  324.661  353.7777  0.075 -0.066    0.024    0.029    0.0512  0.057  0.143
2009   3   9   54899 -132.800  328.853  352.3969  0.061 -0.021    0.030    0.028    0.0421  0.033  0.083
2009   3  10   54900 -132.519  332.998  350.7574 -0.016  0.027    0.030    0.014    0.0338  0.032  0.081
2009   3  11   54901 -132.131  336.802  349.0114 -0.130  0.074    0.022    0.012    0.0266  0.032  0.081
2009   3  12   54902 -131.988  340.685  347.2868 -0.210  0.107    0.011    0.014    0.0321  0.033  0.084
2009   3  13   54903 -131.748  343.888  345.6994 -0.242  0.144    0.009    0.014    0.0322  0.037  0.094
2009   3  14   54904 -130.872  346.765  344.3256 -0.234  0.195    0.011    0.015    0.0398  0.038  0.095
2009   3  15   54905 -130.312  350.195  343.1953 -0.203  0.246    0.011    0.028    0.0615  0.038  0.095
2009   3  16   54906 -129.524  353.352  342.2761 -0.152  0.251    0.009    0.036    0.0398  0.039  0.097
2009   3  17   54907 -128.475  356.615  341.5283 -0.097  0.207    0.009    0.036    0.0396  0.039  0.097
2009   3  18   54908 -127.730  359.922  340.9211 -0.056  0.125    0.012    0.035    0.0592  0.039  0.098
2009   3  19   54909 -127.297  363.360  340.3461 -0.038  0.035    0.011    0.028    0.0615  0.046  0.116
2009   3  20   54910 -126.868  366.835  339.6985 -0.038 -0.025    0.009    0.016    0.0573  0.048  0.121
2009   3  21   54911 -126.004  370.144  338.9282 -0.041 -0.036    0.011    0.015    0.0594  0.048  0.121
2009   3  22   54912 -124.896  373.691  337.9253 -0.038  0.001    0.012    0.014    0.0612  0.048  0.120
2009   3  23   54913 -123.478  376.882  336.6789 -0.045  0.086    0.012    0.013    0.0327  0.040  0.100
2009   3  24   54914 -122.102  380.527  335.2198 -0.047  0.145    0.012    0.014    0.0228  0.040  0.100
2009   3  25   54915 -120.934  384.387  333.6114 -0.037  0.175    0.012    0.014    0.0294  0.040  0.100
2009   3  26   54916 -119.902  387.978  331.9485 -0.031  0.168    0.022    0.027    0.0455  0.069  0.173
2009   3  27   54917 -119.208  391.594  330.2921 -0.047  0.132    0.022    0.032    0.0352  0.089  0.223
2009   3  28   54918 -118.504  394.990  328.7176 -0.085  0.091    0.012    0.030    0.0388  0.089  0.223
2009   3  29   54919 -118.056  398.190  327.3473 -0.109  0.082    0.011    0.031    0.0473  0.072  0.181
2009   3  30   54920 -118.401  400.899  326.2211 -0.066  0.133    0.011    0.026    0.0237  0.035  0.089
2009   3  31   54921 -118.939  403.613  325.2905  0.036  0.183    0.011    0.015    0.0157  0.035  0.089
2009   4   1   54922 -118.855  406.012  324.4862  0.135  0.176    0.022    0.014    0.0208  0.035  0.089
 
	
 2 - DAILY VALUES OF CELESTIAL POLE OFFSETS dPsi1980   dEps1980 
  dPsi1980   dEps1980 ....dPsi,dEps / IAU 1980 precession-nutation model      
 Description : ftp://hpiers.obspm.fr/iers/bul/bulb/bulletinb.pdf
 The reference systems are described in the 2006 IERS Annual Report.
 
       DATE     MJD    dPsi1980   dEps1980  sig dPsi  sig dEps   
    (0 h UTC)             mas        mas      mas       mas   

2009   1  31   54862   -62.099    -4.641     0.141     0.127
2009   2   1   54863   -62.192    -4.692     0.140     0.126
2009   2   2   54864   -62.258    -4.619     0.133     0.119
2009   2   3   54865   -62.432    -4.454     0.133     0.119
2009   2   4   54866   -62.772    -4.312     0.134     0.114
2009   2   5   54867   -63.168    -4.388     0.185     0.102
2009   2   6   54868   -63.373    -4.737     0.206     0.100
2009   2   7   54869   -63.222    -5.146     0.206     0.100
2009   2   8   54870   -62.809    -5.315     0.209     0.104
2009   2   9   54871   -62.400    -5.194     0.222     0.146
2009   2  10   54872   -62.049    -5.003     0.222     0.146
2009   2  11   54873   -61.728    -4.929     0.241     0.146
2009   2  12   54874   -61.562    -4.963     0.181     0.111
2009   2  13   54875   -61.559    -5.029     0.173     0.106
2009   2  14   54876   -61.624    -5.120     0.173     0.106
2009   2  15   54877   -61.624    -5.254     0.173     0.106
2009   2  16   54878   -61.688    -5.372     0.114     0.083
2009   2  17   54879   -61.850    -5.428     0.112     0.082
2009   2  18   54880   -62.169    -5.447     0.112     0.082
2009   2  19   54881   -62.377    -5.531     0.123     0.087
2009   2  20   54882   -62.321    -5.707     0.175     0.104
2009   2  21   54883   -62.076    -5.863     0.180     0.105
2009   2  22   54884   -61.856    -5.859     0.181     0.105
2009   2  23   54885   -61.781    -5.745     0.166     0.124
2009   2  24   54886   -61.652    -5.578     0.164     0.126
2009   2  25   54887   -61.494    -5.527     0.157     0.123
2009   2  26   54888   -61.318    -5.602     0.176     0.138
2009   2  27   54889   -61.286    -5.713     0.307     0.226
2009   2  28   54890   -61.414    -5.778     0.327     0.239
2009   3   1   54891   -61.641    -5.791     0.280     0.200
2009   3   2   54892   -61.892    -5.819     0.167     0.117

 
 3 - EARTH ANGULAR VELOCITY : DAILY  VALUES OF LOD, OMEGA AT 0hUTC
 
 LOD     : Excess of the Length of day - 86400 s TAI 
 OMEGA   : Earth angular velocity  
 Description: ftp://hpiers.obspm.fr/iers/bul/bulb/bulletinb.pdf
 
    DATE        MJD     LOD     sigma      OMEGA           sigma        
 (0 h UTC)              ms       ms        mas/ms          mas/ms

2009   1  31   54862  0.9520  0.0015  15.04106701294    0.00000000026 
2009   2   1   54863  0.8624  0.0016  15.04106702854    0.00000000028 
2009   2   2   54864  0.7136  0.0015  15.04106705444    0.00000000026 
2009   2   3   54865  0.5572  0.0015  15.04106708167    0.00000000026 
2009   2   4   54866  0.4502  0.0015  15.04106710030    0.00000000026 
2009   2   5   54867  0.4233  0.0015  15.04106710498    0.00000000026 
2009   2   6   54868  0.4670  0.0016  15.04106709737    0.00000000028 
2009   2   7   54869  0.6412  0.0016  15.04106706705    0.00000000028 
2009   2   8   54870  0.8959  0.0016  15.04106702271    0.00000000028 
2009   2   9   54871  1.1690  0.0016  15.04106697516    0.00000000028 
2009   2  10   54872  1.3925  0.0016  15.04106693625    0.00000000028 
2009   2  11   54873  1.4582  0.0015  15.04106692482    0.00000000026 
2009   2  12   54874  1.3796  0.0016  15.04106693850    0.00000000028 
2009   2  13   54875  1.1374  0.0016  15.04106698066    0.00000000028 
2009   2  14   54876  0.8424  0.0016  15.04106703202    0.00000000028 
2009   2  15   54877  0.6135  0.0018  15.04106707187    0.00000000031 
2009   2  16   54878  0.4221  0.0019  15.04106710519    0.00000000033 
2009   2  17   54879  0.3001  0.0020  15.04106712643    0.00000000035 
2009   2  18   54880  0.1875  0.0020  15.04106714603    0.00000000035 
2009   2  19   54881  0.1365  0.0020  15.04106715491    0.00000000035 
2009   2  20   54882  0.1815  0.0021  15.04106714707    0.00000000037 
2009   2  21   54883  0.2313  0.0021  15.04106713840    0.00000000037 
2009   2  22   54884  0.3442  0.0018  15.04106711875    0.00000000031 
2009   2  23   54885  0.5890  0.0017  15.04106707613    0.00000000030 
2009   2  24   54886  0.8407  0.0016  15.04106703232    0.00000000028 
2009   2  25   54887  1.0022  0.0016  15.04106700420    0.00000000028 
2009   2  26   54888  1.1725  0.0017  15.04106697455    0.00000000030 
2009   2  27   54889  1.2633  0.0017  15.04106695875    0.00000000030 
2009   2  28   54890  1.2320  0.0017  15.04106696420    0.00000000030 
2009   3   1   54891  1.1589  0.0017  15.04106697692    0.00000000030 
2009   3   2   54892  1.0415  0.0016  15.04106699736    0.00000000028 


 4 - INFORMATION ON TIME SCALES 
     TAI - UTC = 33 s.        
     No leap second introduced during period [54862-54892]
     All information concerning time scales : 
	  - leap seconds announcements : Bulletin C 
	  - DUT1 announcements (UT1-UTC with 0.1 ms accuracy) : Bulletin D
	 can be found at : 
      - web site : http://hpiers.obspm.fr/eop-pc/
      - anonymous ftp : hpiers.obspm.fr/iers/ or 145.238.100.28


 5 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES
 This section gives the average precision of the individual series, some of them
 contributing to the combination (*) and their average agreement with it. 
 The period covered is that one of Bulletin B. 
 
    Units :  micro-arc-seconds for x/y/dX/dY        micro-seconds for UT1/LOD
-----------------------------------------------------------------------------
  EOP series             first line  : Mean  formal  uncertainty
  Periods covered        second line : Weighted RMS agreement with Bulletin B
-----------------------------------------------------------------------------
                                x     y    UT1   LOD   dX    dY   Data Number		

 VLBI Standards
   AUS   1 R  1                76    84     3     -    66    64       8
   54865.21 to 54889.27        40    80     7     -   160    40

   BKG   8 R  2 *              68    65     2     -    47    47       8
   54865.21 to 54889.27       190   100     5     -    50    90

   GSFC  8 R  4 *              59    61     2     6    51    52       8
   54865.21 to 54889.27       140    80     3    14    30    40

   IAA   5 R  2 *              61    64     2     -    44    46       8
   54865.21 to 54889.27       150   110     4     -    30    60

   SPBU  3 R  3 *              76    87     3     -    70    67       8
   54865.21 to 54889.27       170   210     5     -    60    60

   USNO  6 R  2 *              66    65     2     -    59    61       8
   54865.21 to 54889.27       190    40     2     -    40    30

   MAO   3 R  1 *              76    77     3     -    56    56       8
   54865.22 to 54889.26       170    60     6     -   120    50

   IVS   2 R  1 *              37    36     1     -    34    36       8
   54865.21 to 54889.27       130    60     2     -    40    40


 VLBI Intensive
   BKG   3 R  2 *               -     -    10     -     -     -      33
   54862.33 to 54891.33         -     -    25     -     -     -

   GSFC  8 R  1 *               -     -    12     -     -     -      33
   54862.33 to 54891.33         -     -    16     -     -     -

   IAA   5 R  1 *               -     -    12     -     -     -      30
   54863.33 to 54891.33         -     -    21     -     -     -

   USNO  5 R  1 *               -     -    10     -     -     -      33
   54862.33 to 54891.33         -     -    21     -     -     -


 GPS
   CODE 98 P  1                 4     4     -     2     -     -      30
   54862.50 to 54891.50        60    30     -    12     -     -

   JPL  96 P  3                 9     9     -     6     -     -      30
   54862.50 to 54891.50        50    40     -    21     -     -

   GFZ  96 P  2                 3     3     -     0     -     -      30
   54862.50 to 54891.50        50    40     -    14     -     -

   ESOC 96 P  1                12    10     -     1     -     -      30
   54862.50 to 54891.50        30    30     -    10     -     -

   NOAA 96 P  1                 2     3     -    32     -     -      30
   54862.50 to 54891.50        90    70     -    17     -     -

   SIO  96 P  1                19    21     -     5     -     -      30
   54862.50 to 54891.50        50    30     -    11     -     -

   EMR  96 P  3                33    34     -     6     -     -      30
   54862.50 to 54891.50        50    50     -    20     -     -

   IAA   1 P  1                27    28     -     5     -     -      30
   54862.50 to 54891.50        90   100     -    31     -     -

   IGS  96 P  2 *              31    23     -     7     -     -      30
   54862.50 to 54891.50        40    30     -     8     -     -

   IGS   7 P  1 *              22    21     -     6     -     -      30
   54862.50 to 54891.50        40    20     -    10     -     -


 SLR
   MCC  97 L  1               215   161     -    21     -     -      31
   54862.00 to 54892.00       170   110     -   122     -     -

   IAA   2 L  1                47    40     -     2     -     -      31
   54862.00 to 54892.00       210   180     -    25     -     -

   ASI   3 L  2               104    80     -     0     -     -      30
   54862.50 to 54891.50       300   240     -    19     -     -

   ILRS  5 L  1 *              71    71     -    71     -     -      30
   54862.50 to 54891.50       100   120     -    28     -     -


 BULLETIN A
   NEOS 97 C  1                40    34     6     -     -     -      31
   54862.00 to 54892.00        50    30     6     -     -     -

