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 - - -