                                                                BULLETIN B 255
                                        			6 May 2009
   
    
 Contents are described in ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf 
	
 1 - DAILY FINAL VALUES OF  x, y, UT1-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      0.014    0.020    0.0388    0.072  0.116 
 
2009   3   2   54892 -134.787  303.324  359.2100   -0.153 -0.001    0.013    0.015    0.0259  0.047  0.117
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

 Preliminary extension 
2009   4   2   54923 -117.792  408.396  323.7000    0.161  0.118    0.028    0.014    0.0399  0.063  0.158
2009   4   3   54924 -116.457  411.022  322.8216    0.081  0.053    0.022    0.014    0.0325  0.084  0.210
2009   4   4   54925 -115.173  413.746  321.8045   -0.068  0.047    0.012    0.013    0.0338  0.084  0.210
2009   4   5   54926 -113.303  416.495  320.6131   -0.195  0.116    0.011    0.014    0.0450  0.077  0.194
2009   4   6   54927 -110.758  419.561  319.1640   -0.197  0.199    0.010    0.025    0.0381  0.042  0.106
2009   4   7   54928 -108.469  423.139  317.4907   -0.141  0.232    0.008    0.032    0.0273  0.042  0.106
2009   4   8   54929 -106.883  426.191  315.7027   -0.040  0.181    0.010    0.031    0.0326  0.045  0.112
2009   4   9   54930 -105.354  428.889  313.9742    0.047  0.074    0.021    0.031    0.0384  0.053  0.132
2009   4  10   54931 -103.730  431.718  312.4016    0.093 -0.027    0.026    0.032    0.0393  0.053  0.133
2009   4  11   54932 -102.314  434.669  311.0212    0.108 -0.070    0.026    0.032    0.0475  0.053  0.133
2009   4  12   54933 -100.706  437.155  309.8571    0.116 -0.048    0.026    0.032    0.0535  0.054  0.135
2009   4  13   54934  -98.600  439.580  308.9184    0.130  0.020    0.027    0.032    0.0661  0.070  0.175
2009   4  14   54935  -96.518  442.491  308.1536    0.147  0.099    0.026    0.032    0.0640  0.070  0.175
2009   4  15   54936  -94.111  445.672  307.4241    0.150  0.165    0.026    0.033    0.0515  0.069  0.174
2009   4  16   54937  -91.430  449.197  306.6336    0.130  0.199    0.027    0.027    0.0423  0.061  0.154
2009   4  17   54938  -88.978  452.479  305.7479    0.082  0.164    0.027    0.015    0.0372  0.053  0.133
2009   4  18   54939  -86.869  455.409  304.7316   -0.003  0.009    0.027    0.015    0.0411  0.211  0.530
2009   4  19   54940  -84.833  458.266  303.5563   -0.003  0.009    0.036    0.031    0.0445  0.211  0.530
2009   4  20   54941  -82.687  460.886  302.1954   -0.003  0.009    0.063    0.063    0.0336  0.211  0.530
2009   4  21   54942  -80.484  463.557  300.6046   -0.003  0.009    0.073    0.076    0.0350  0.211  0.530
2009   4  22   54943  -78.476  466.398  298.8197   -0.003  0.009    0.076    0.099    0.0569  0.211  0.530
2009   4  23   54944  -76.945  469.274  296.9928   -0.003  0.009    0.076    0.075    0.0662  0.211  0.530
2009   4  24   54945  -75.895  471.692  295.2542   -0.002  0.009    0.081    0.052    0.0832  0.211  0.530
2009   4  25   54946  -74.933  473.883  293.6451   -0.002  0.009    0.095    0.040    0.0716  0.211  0.530
2009   4  26   54947  -73.741  476.233  292.2319   -0.003  0.009    0.083    0.044    0.0590  0.211  0.530
2009   4  27   54948  -72.006  478.169  291.0325   -0.003  0.009    0.084    0.079    0.0421  0.211  0.530
2009   4  28   54949  -69.792  480.106  289.9707   -0.003  0.009    0.133    0.126    0.0465  0.211  0.530
2009   4  29   54950  -67.617  482.314  288.9649   -0.003  0.009    0.124    0.137    0.1288  0.211  0.530
2009   4  30   54951  -65.221  484.389  287.9131   -0.003  0.009    0.086    0.176    0.1933  0.211  0.530
2009   5   1   54952  -62.337  486.521  286.7161   -0.002  0.010    0.079    0.158    0.2882  0.211  0.530
 
	
 2 - DAILY FINAL VALUES OF CELESTIAL POLE OFFSETS dPsi1980 & dEps1980
  dPsi1980   dEps1980 ....dPsi,dEps / IAU 1980 precession-nutation model      
 Description : ftp://hpiers.obspm.fr/iers/bul/bulb_new/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   3   2   54892   -61.892    -5.819     0.167     0.117
2009   3   3   54893   -62.192    -5.882     0.170     0.091
2009   3   4   54894   -62.423    -6.020     0.171     0.092
2009   3   5   54895   -62.441    -6.285     0.241     0.128
2009   3   6   54896   -62.151    -6.671     0.270     0.143
2009   3   7   54897   -61.601    -7.049     0.270     0.143
2009   3   8   54898   -60.995    -7.220     0.269     0.143
2009   3   9   54899   -60.644    -7.066     0.113     0.083
2009   3  10   54900   -60.531    -6.743     0.110     0.081
2009   3  11   54901   -60.662    -6.464     0.110     0.081
2009   3  12   54902   -60.902    -6.381     0.118     0.084
2009   3  13   54903   -61.209    -6.476     0.151     0.094
2009   3  14   54904   -61.480    -6.640     0.154     0.095
2009   3  15   54905   -61.599    -6.769     0.145     0.095
2009   3  16   54906   -61.516    -6.835     0.107     0.097
2009   3  17   54907   -61.316    -6.870     0.107     0.097
2009   3  18   54908   -61.081    -6.976     0.108     0.098
2009   3  19   54909   -60.788    -7.211     0.156     0.116
2009   3  20   54910   -60.413    -7.507     0.178     0.121
2009   3  21   54911   -60.040    -7.703     0.178     0.121
2009   3  22   54912   -59.828    -7.686     0.175     0.120
2009   3  23   54913   -59.866    -7.474     0.149     0.100
2009   3  24   54914   -59.976    -7.262     0.149     0.100
2009   3  25   54915   -59.975    -7.138     0.150     0.100
2009   3  26   54916   -59.893    -7.102     0.259     0.173
2009   3  27   54917   -59.924    -7.105     0.335     0.223
2009   3  28   54918   -60.201    -7.134     0.335     0.223
2009   3  29   54919   -60.599    -7.212     0.287     0.181
2009   3  30   54920   -60.801    -7.339     0.163     0.089
2009   3  31   54921   -60.656    -7.533     0.163     0.089
2009   4   1   54922   -60.287    -7.788     0.164     0.089

 
 3 - EARTH ANGULAR VELOCITY : DAILY FINAL 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_new/bulletinb.pdf
 
    DATE        MJD     LOD     sigma      OMEGA           sigma        
 (0 h UTC)              ms       ms        mas/ms          mas/ms

2009   3   2   54892  1.0415  0.0016  15.04106699736    0.00000000028 
2009   3   3   54893  0.9298  0.0016  15.04106701680    0.00000000028 
2009   3   4   54894  0.7942  0.0015  15.04106704041    0.00000000026 
2009   3   5   54895  0.7183  0.0015  15.04106705362    0.00000000026 
2009   3   6   54896  0.8488  0.0016  15.04106703091    0.00000000028 
2009   3   7   54897  1.0225  0.0016  15.04106700067    0.00000000028 
2009   3   8   54898  1.2233  0.0016  15.04106696571    0.00000000028 
2009   3   9   54899  1.5382  0.0015  15.04106691089    0.00000000026 
2009   3  10   54900  1.7446  0.0015  15.04106687496    0.00000000026 
2009   3  11   54901  1.7682  0.0015  15.04106687085    0.00000000026 
2009   3  12   54902  1.6646  0.0015  15.04106688889    0.00000000026 
2009   3  13   54903  1.4826  0.0015  15.04106692057    0.00000000026 
2009   3  14   54904  1.2523  0.0015  15.04106696066    0.00000000026 
2009   3  15   54905  1.0107  0.0015  15.04106700272    0.00000000026 
2009   3  16   54906  0.8155  0.0015  15.04106703670    0.00000000026 
2009   3  17   54907  0.6334  0.0015  15.04106706840    0.00000000026 
2009   3  18   54908  0.5659  0.0014  15.04106708015    0.00000000024 
2009   3  19   54909  0.6046  0.0015  15.04106707342    0.00000000026 
2009   3  20   54910  0.6820  0.0015  15.04106705994    0.00000000026 
2009   3  21   54911  0.8853  0.0015  15.04106702455    0.00000000026 
2009   3  22   54912  1.1437  0.0014  15.04106697957    0.00000000024 
2009   3  23   54913  1.3620  0.0013  15.04106694156    0.00000000023 
2009   3  24   54914  1.5452  0.0013  15.04106690967    0.00000000023 
2009   3  25   54915  1.6431  0.0013  15.04106689263    0.00000000023 
2009   3  26   54916  1.6663  0.0013  15.04106688859    0.00000000023 
2009   3  27   54917  1.6221  0.0014  15.04106689628    0.00000000024 
2009   3  28   54918  1.4870  0.0014  15.04106691980    0.00000000024 
2009   3  29   54919  1.2543  0.0014  15.04106696031    0.00000000024 
2009   3  30   54920  0.9985  0.0013  15.04106700485    0.00000000023 
2009   3  31   54921  0.8280  0.0014  15.04106703453    0.00000000024 
2009   4   1   54922  0.7756  0.0014  15.04106704365    0.00000000024 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [54892-54922]
     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                47    61     2     -    50    45       8
   54893.21 to 54921.21       140   150     8     -    40    50

   BKG   8 R  2 *              55    63     2     -    45    42       9
   54893.21 to 54921.21        90    60     3     -    30    50

   GSFC  8 R  4 *              53    59     2     5    50    46       9
   54893.21 to 54921.21       110    70     3    13    30    40

   IAA   5 R  2 *              51    61     2     -    42    42       8
   54893.21 to 54921.21       120   110     8     -    60    40

   SPBU  3 R  3 *              49    63     2     -    52    46       8
   54893.21 to 54921.21       140   150     8     -   110    50

   USNO  6 R  2 *              57    64     2     -    54    51       9
   54893.21 to 54921.21       100    80     3     -    20    10

   MAO   3 R  1 *              59    69     2     -    50    49       8
   54893.22 to 54921.21        80   110     5     -    40    60

   IVS   2 R  1 *              32    34     1     -    30    31       9
   54893.21 to 54921.21        90   100     2     -    30    30


 VLBI Intensive
   BKG   3 R  2 *               -     -    13     -     -     -      34
   54892.31 to 54921.79         -     -    28     -     -     -

   GSFC  8 R  1 *               -     -    16     -     -     -      34
   54892.31 to 54921.79         -     -    33     -     -     -

   IAA   5 R  1 *               -     -    15     -     -     -      32
   54892.31 to 54921.79         -     -    15     -     -     -

   USNO  5 R  1 *               -     -    14     -     -     -      34
   54892.31 to 54921.79         -     -    27     -     -     -


 GPS
   CODE 98 P  1                 4     4     -     2     -     -      30
   54892.50 to 54921.50        40    60     -    10     -     -

   JPL  96 P  3                 9    10     -     6     -     -      30
   54892.50 to 54921.50        40    40     -    15     -     -

   GFZ  96 P  2                 3     3     -     0     -     -      30
   54892.50 to 54921.50        40    40     -     7     -     -

   ESOC 96 P  1                12    10     -     1     -     -      30
   54892.50 to 54921.50        30    40     -    12     -     -

   NOAA 96 P  1                 2     3     -    33     -     -      30
   54892.50 to 54921.50        80    60     -    11     -     -

   SIO  96 P  1                19    21     -     4     -     -      30
   54892.50 to 54921.50        30    40     -     9     -     -

   EMR  96 P  3                34    35     -     6     -     -      30
   54892.50 to 54921.50        40    50     -    12     -     -

   IAA   1 P  1                26    28     -     5     -     -      30
   54892.50 to 54921.50        90   120     -    12     -     -

   IGS  96 P  2 *              26    25     -     6     -     -      30
   54892.50 to 54921.50        40    40     -     9     -     -

   IGS   7 P  1 *              19    18     -     5     -     -      30
   54892.50 to 54921.50        30    40     -     7     -     -


 SLR
   MCC  97 L  1               157   158     -    21     -     -      31
   54892.00 to 54922.00        90   100     -   167     -     -

   IAA   2 L  1                36    38     -     2     -     -      31
   54892.00 to 54922.00       180   180     -    19     -     -

   ASI   3 L  2                84    73     -    16     -     -      30
   54892.50 to 54921.50       200   190     -    61     -     -

   ILRS  5 L  1 *              49    49     -    49     -     -      30
   54892.50 to 54921.50        90   110     -    40     -     -


 BULLETIN A
   NEOS 97 C  1                29    41     6     -     -     -      31
   54892.00 to 54922.00        40    40     7     -     -     -

