BULLETIN B 256 1 June 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 0.020 0.021 0.0377 0.076 0.143 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 -106.883 426.190 315.7027 -0.043 0.183 0.010 0.031 0.0326 0.045 0.112 2009 4 9 54930 -105.354 428.890 313.9743 0.046 0.076 0.021 0.031 0.0384 0.053 0.132 2009 4 10 54931 -103.730 431.718 312.4016 0.095 -0.031 0.026 0.032 0.0393 0.053 0.133 2009 4 11 54932 -102.314 434.669 311.0206 0.106 -0.087 0.026 0.032 0.0475 0.053 0.133 2009 4 12 54933 -100.706 437.155 309.8581 0.106 -0.075 0.026 0.032 0.0535 0.053 0.133 2009 4 13 54934 -98.598 439.579 308.9233 0.112 -0.022 0.027 0.032 0.0628 0.053 0.134 2009 4 14 54935 -96.519 442.491 308.1591 0.121 0.076 0.026 0.026 0.0324 0.053 0.134 2009 4 15 54936 -94.112 445.673 307.4346 0.114 0.158 0.026 0.014 0.0204 0.047 0.117 2009 4 16 54937 -91.428 449.196 306.6366 0.103 0.190 0.021 0.014 0.0246 0.048 0.120 2009 4 17 54938 -88.983 452.481 305.7445 0.075 0.150 0.011 0.014 0.0358 0.051 0.127 2009 4 18 54939 -86.860 455.408 304.7271 0.038 0.062 0.011 0.015 0.0419 0.051 0.128 2009 4 19 54940 -84.862 458.264 303.5552 0.011 -0.022 0.020 0.026 0.0428 0.053 0.132 2009 4 20 54941 -82.712 460.904 302.1955 -0.003 -0.033 0.021 0.025 0.0260 0.052 0.130 2009 4 21 54942 -80.488 463.552 300.5908 0.005 -0.018 0.011 0.014 0.0199 0.052 0.130 2009 4 22 54943 -78.535 466.405 298.8140 0.030 0.023 0.011 0.014 0.0263 0.054 0.137 2009 4 23 54944 -76.957 469.307 296.9973 0.043 0.087 0.021 0.022 0.0449 0.068 0.172 2009 4 24 54945 -75.931 471.656 295.2516 0.029 0.123 0.025 0.014 0.0435 0.073 0.184 2009 4 25 54946 -74.998 473.875 293.6446 -0.011 0.119 0.025 0.014 0.0477 0.073 0.184 2009 4 26 54947 -73.746 476.211 292.2334 -0.047 0.100 0.026 0.025 0.0476 0.068 0.170 2009 4 27 54948 -71.997 478.137 291.0333 -0.044 0.106 0.026 0.025 0.0299 0.049 0.122 2009 4 28 54949 -69.797 480.145 289.9719 0.015 0.152 0.025 0.013 0.0262 0.049 0.122 2009 4 29 54950 -67.647 482.368 288.9592 0.104 0.216 0.025 0.013 0.0348 0.052 0.130 2009 4 30 54951 -65.220 484.399 287.8987 0.171 0.253 0.025 0.024 0.0331 0.059 0.148 2009 5 1 54952 -62.346 486.515 286.7000 0.166 0.227 0.024 0.031 0.0362 0.060 0.150 2009 5 2 54953 -59.569 488.737 285.2993 0.098 0.158 0.024 0.031 0.0628 0.060 0.150 Preliminary extension 2009 5 3 54954 -56.760 490.523 283.6856 0.020 0.103 0.025 0.032 0.0657 0.075 0.188 2009 5 4 54955 -53.879 492.465 281.9233 -0.020 0.097 0.025 0.032 0.0487 0.077 0.193 2009 5 5 54956 -51.568 494.372 280.1327 0.000 0.138 0.024 0.032 0.0477 0.077 0.193 2009 5 6 54957 -48.963 495.925 278.4268 0.060 0.181 0.025 0.032 0.0454 0.080 0.200 2009 5 7 54958 -45.781 497.770 276.8981 0.092 0.168 0.020 0.032 0.0287 0.090 0.226 2009 5 8 54959 -42.752 499.851 275.6325 0.055 0.093 0.011 0.033 0.0327 0.091 0.228 2009 5 9 54960 -39.699 502.181 274.6782 0.000 0.030 0.011 0.034 0.0504 0.091 0.228 2009 5 10 54961 -36.623 504.448 273.9512 -0.034 -0.002 0.020 0.034 0.0560 0.060 0.152 2009 5 11 54962 -33.665 506.166 273.3250 -0.028 -0.016 0.025 0.033 0.0603 0.059 0.148 2009 5 12 54963 -31.107 507.922 272.7598 0.037 -0.022 0.024 0.033 0.0686 0.059 0.148 2009 5 13 54964 -28.548 509.941 272.2196 0.169 -0.019 0.024 0.032 0.0824 0.059 0.149 2009 5 14 54965 -25.751 511.889 271.6375 0.289 -0.010 0.019 0.032 0.0749 0.095 0.239 2009 5 15 54966 -23.076 513.906 270.9363 0.271 0.001 0.010 0.032 0.0735 0.121 0.305 2009 5 16 54967 -20.188 515.506 270.0777 -0.003 0.009 0.010 0.033 0.0872 0.206 0.518 2009 5 17 54968 -16.619 516.931 269.0983 -0.003 0.009 0.023 0.041 0.0987 0.206 0.518 2009 5 18 54969 -13.006 518.582 267.9690 -0.003 0.010 0.058 0.075 0.0743 0.206 0.518 2009 5 19 54970 -9.405 520.268 266.6753 -0.003 0.009 0.136 0.158 0.0625 0.206 0.518 2009 5 20 54971 -5.969 521.690 265.2350 -0.002 0.010 0.156 0.150 0.0635 0.206 0.518 2009 5 21 54972 -2.644 522.704 263.7590 -0.002 0.009 0.093 0.142 0.0901 0.206 0.518 2009 5 22 54973 0.661 524.042 262.3721 -0.003 0.009 0.092 0.090 0.1049 0.206 0.518 2009 5 23 54974 3.608 525.389 261.1727 -0.003 0.010 0.141 0.086 0.0889 0.206 0.518 2009 5 24 54975 7.052 526.269 260.1449 -0.003 0.009 0.148 0.130 0.0837 0.206 0.518 2009 5 25 54976 10.772 527.501 259.2603 -0.003 0.010 0.158 0.105 0.1000 0.206 0.518 2009 5 26 54977 13.856 528.842 258.5041 -0.002 0.009 0.210 0.104 0.1592 0.206 0.518 2009 5 27 54978 16.587 530.152 257.7603 -0.003 0.009 0.188 0.131 0.2861 0.206 0.518 2009 5 28 54979 19.357 531.606 256.9037 -0.002 0.009 0.154 0.139 0.3139 0.206 0.518 2009 5 29 54980 22.164 532.924 255.7926 -0.001 0.001 1000.000 1000.000 1000.0000 397.800 1000.000 2009 5 30 54981 24.797 534.330 254.5155 -0.001 0.002 1000.000 1000.000 1000.0000 397.800 1000.000 2009 5 31 54982 27.539 535.717 253.1336 0.000 0.001 1000.000 1000.000 1000.0000 397.800 1000.000 2009 6 1 54983 30.817 537.012 251.7455 -0.001 0.002 1000.000 1000.000 1000.0000 397.800 1000.000 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 4 2 54923 -59.961 -8.082 0.231 0.158 2009 4 3 54924 -59.882 -8.388 0.258 0.210 2009 4 4 54925 -60.002 -8.626 0.258 0.210 2009 4 5 54926 -60.094 -8.697 0.235 0.194 2009 4 6 54927 -59.906 -8.575 0.159 0.106 2009 4 7 54928 -59.651 -8.326 0.159 0.106 2009 4 8 54929 -59.397 -8.111 0.174 0.112 2009 4 9 54930 -59.230 -8.079 0.246 0.132 2009 4 10 54931 -59.155 -8.261 0.254 0.133 2009 4 11 54932 -59.131 -8.538 0.254 0.133 2009 4 12 54933 -59.136 -8.721 0.242 0.133 2009 4 13 54934 -59.150 -8.716 0.150 0.134 2009 4 14 54935 -59.151 -8.551 0.150 0.134 2009 4 15 54936 -59.103 -8.441 0.152 0.117 2009 4 16 54937 -58.922 -8.526 0.150 0.120 2009 4 17 54938 -58.662 -8.771 0.145 0.127 2009 4 18 54939 -58.389 -8.984 0.144 0.128 2009 4 19 54940 -58.209 -9.017 0.145 0.132 2009 4 20 54941 -58.240 -8.878 0.149 0.130 2009 4 21 54942 -58.438 -8.765 0.149 0.130 2009 4 22 54943 -58.630 -8.712 0.130 0.137 2009 4 23 54944 -58.733 -8.614 0.186 0.172 2009 4 24 54945 -58.850 -8.445 0.210 0.184 2009 4 25 54946 -59.187 -8.319 0.210 0.184 2009 4 26 54947 -59.718 -8.391 0.204 0.170 2009 4 27 54948 -60.111 -8.661 0.172 0.122 2009 4 28 54949 -60.043 -8.954 0.172 0.122 2009 4 29 54950 -59.557 -9.107 0.174 0.130 2009 4 30 54951 -59.027 -9.130 0.217 0.148 2009 5 1 54952 -58.823 -9.156 0.221 0.150 2009 5 2 54953 -58.953 -9.250 0.221 0.150 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 4 2 54923 0.8224 0.0014 15.04106703550 0.00000000024 2009 4 3 54924 0.9373 0.0013 15.04106701550 0.00000000023 2009 4 4 54925 1.1062 0.0013 15.04106698610 0.00000000023 2009 4 5 54926 1.3264 0.0013 15.04106694776 0.00000000023 2009 4 6 54927 1.5772 0.0013 15.04106690410 0.00000000023 2009 4 7 54928 1.7469 0.0013 15.04106687456 0.00000000023 2009 4 8 54929 1.7740 0.0013 15.04106686984 0.00000000023 2009 4 9 54930 1.6383 0.0013 15.04106689346 0.00000000023 2009 4 10 54931 1.4631 0.0013 15.04106692396 0.00000000023 2009 4 11 54932 1.2838 0.0013 15.04106695518 0.00000000023 2009 4 12 54933 1.0380 0.0013 15.04106699797 0.00000000023 2009 4 13 54934 0.8111 0.0014 15.04106703747 0.00000000024 2009 4 14 54935 0.7095 0.0014 15.04106705516 0.00000000024 2009 4 15 54936 0.7437 0.0014 15.04106704920 0.00000000024 2009 4 16 54937 0.8263 0.0014 15.04106703482 0.00000000024 2009 4 17 54938 0.9579 0.0014 15.04106701191 0.00000000024 2009 4 18 54939 1.1087 0.0014 15.04106698566 0.00000000024 2009 4 19 54940 1.2719 0.0014 15.04106695725 0.00000000024 2009 4 20 54941 1.4852 0.0014 15.04106692012 0.00000000024 2009 4 21 54942 1.6977 0.0014 15.04106688312 0.00000000024 2009 4 22 54943 1.8214 0.0014 15.04106686159 0.00000000024 2009 4 23 54944 1.7988 0.0014 15.04106686552 0.00000000024 2009 4 24 54945 1.6785 0.0013 15.04106688647 0.00000000023 2009 4 25 54946 1.5092 0.0013 15.04106691594 0.00000000023 2009 4 26 54947 1.2953 0.0013 15.04106695318 0.00000000023 2009 4 27 54948 1.1005 0.0013 15.04106698709 0.00000000023 2009 4 28 54949 1.0172 0.0013 15.04106700159 0.00000000023 2009 4 29 54950 1.0082 0.0013 15.04106700316 0.00000000023 2009 4 30 54951 1.0944 0.0014 15.04106698815 0.00000000024 2009 5 1 54952 1.3137 0.0013 15.04106694997 0.00000000023 2009 5 2 54953 1.5162 0.0013 15.04106691472 0.00000000023 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [54923-54953] 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 69 72 3 - 62 60 9 54924.27 to 54951.27 90 90 10 - 60 70 BKG 8 R 2 * 71 70 2 - 56 55 9 54924.27 to 54951.27 180 70 2 - 30 60 GSFC 8 R 4 * 62 63 2 7 57 56 9 54924.27 to 54951.27 130 60 3 10 40 50 IAA 5 R 2 * 63 66 2 - 48 48 9 54924.27 to 54951.27 160 90 5 - 50 60 SPBU 3 R 3 * 79 84 3 - 73 72 8 54924.27 to 54951.27 170 130 8 - 80 70 USNO 6 R 2 * 69 66 2 - 64 63 9 54924.27 to 54951.27 130 60 3 - 40 30 MAO 3 R 1 * 74 69 3 - 54 53 9 54924.28 to 54951.28 120 170 8 - 80 40 IVS 2 R 1 * 42 40 1 - 43 42 9 54924.27 to 54951.27 150 50 1 - 20 30 VLBI Intensive BKG 3 R 2 * - - 8 - - - 29 54923.79 to 54950.79 - - 10 - - - GSFC 8 R 1 * - - 8 - - - 29 54923.79 to 54950.79 - - 8 - - - IAA 5 R 1 * - - 9 - - - 28 54923.79 to 54950.79 - - 11 - - - USNO 5 R 1 * - - 8 - - - 29 54923.79 to 54950.79 - - 13 - - - GPS CODE 98 P 1 4 5 - 2 - - 30 54923.50 to 54952.50 40 30 - 8 - - JPL 96 P 3 9 9 - 6 - - 30 54923.50 to 54952.50 40 40 - 12 - - GFZ 96 P 2 3 3 - 1 - - 30 54923.50 to 54952.50 40 30 - 7 - - ESOC 96 P 1 12 10 - 1 - - 30 54923.50 to 54952.50 20 40 - 14 - - NOAA 96 P 1 3 3 - 31 - - 30 54923.50 to 54952.50 70 60 - 10 - - SIO 96 P 1 20 21 - 5 - - 30 54923.50 to 54952.50 20 30 - 8 - - EMR 96 P 3 33 34 - 6 - - 30 54923.50 to 54952.50 40 50 - 7 - - IAA 1 P 1 28 30 - 5 - - 30 54923.50 to 54952.50 80 100 - 21 - - IGS 96 P 2 * 36 29 - 5 - - 30 54923.50 to 54952.50 30 40 - 8 - - IGS 7 P 1 * 18 17 - 5 - - 30 54923.50 to 54952.50 20 30 - 4 - - SLR MCC 97 L 1 140 145 - 18 - - 31 54923.00 to 54953.00 90 70 - 185 - - IAA 2 L 1 30 34 - 1 - - 31 54923.00 to 54953.00 140 140 - 17 - - ASI 3 L 2 78 69 - 0 - - 30 54923.50 to 54952.50 200 160 - 27 - - ILRS 5 L 1 * 42 42 - 42 - - 7 54926.50 to 54932.50 50 30 - 29 - - BULLETIN A NEOS 97 C 1 35 44 5 - - - 31 54923.00 to 54953.00 50 40 6 - - -