BULLETIN B 280 1 June 2011 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). Upgraded solution from February 1 2011 - consistent with ITRF 2008. 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 0.026 0.027 0.0059 0.041 0.071 2011 4 2 55653 -34.729 280.642 -213.2020 -0.067 -0.099 0.050 0.051 0.0098 0.026 0.066 2011 4 3 55654 -36.200 281.946 -214.6833 -0.051 -0.164 0.046 0.048 0.0133 0.027 0.069 2011 4 4 55655 -37.484 283.622 -216.0584 -0.036 -0.232 0.041 0.043 0.0128 0.029 0.073 2011 4 5 55656 -39.373 285.426 -217.2537 -0.015 -0.288 0.042 0.044 0.0135 0.031 0.077 2011 4 6 55657 -41.395 287.005 -218.3242 0.023 -0.299 0.044 0.044 0.0126 0.032 0.080 2011 4 7 55658 -42.420 288.705 -219.2632 0.040 -0.337 0.044 0.043 0.0162 0.033 0.084 2011 4 8 55659 -42.955 290.933 -219.9945 0.049 -0.360 0.042 0.043 0.0040 0.035 0.088 2011 4 9 55660 -43.369 293.414 -220.7232 0.036 -0.358 0.043 0.043 0.0083 0.033 0.082 2011 4 10 55661 -43.327 295.697 -221.5012 0.013 -0.339 0.043 0.042 0.0129 0.029 0.073 2011 4 11 55662 -43.615 297.670 -222.3388 -0.009 -0.316 0.041 0.043 0.0091 0.025 0.064 2011 4 12 55663 -43.917 299.592 -223.3096 -0.035 -0.274 0.042 0.044 0.0020 0.021 0.054 2011 4 13 55664 -44.057 301.844 -224.4705 -0.100 -0.217 0.041 0.043 0.0052 0.017 0.043 2011 4 14 55665 -44.187 304.190 -225.8108 -0.174 -0.158 0.039 0.041 0.0083 0.019 0.049 2011 4 15 55666 -44.071 306.692 -227.3021 -0.242 -0.104 0.040 0.042 0.0025 0.022 0.056 2011 4 16 55667 -43.888 309.380 -228.9336 -0.248 -0.099 0.041 0.042 0.0061 0.021 0.053 2011 4 17 55668 -44.050 311.944 -230.5883 -0.225 -0.116 0.025 0.026 0.0063 0.019 0.047 2011 4 18 55669 -44.258 314.336 -232.1251 -0.193 -0.141 0.010 0.011 0.0029 0.022 0.056 2011 4 19 55670 -44.544 316.353 -233.4575 -0.158 -0.169 0.010 0.011 0.0015 0.019 0.048 2011 4 20 55671 -44.656 318.393 -234.5629 -0.171 -0.171 0.010 0.010 0.0009 0.029 0.074 2011 4 21 55672 -44.943 320.433 -235.4512 -0.180 -0.208 0.010 0.010 0.0019 0.032 0.081 2011 4 22 55673 -45.068 322.209 -236.1882 -0.182 -0.258 0.010 0.010 0.0042 0.032 0.080 2011 4 23 55674 -45.242 323.935 -236.9074 -0.184 -0.303 0.010 0.010 0.0050 0.032 0.080 2011 4 24 55675 -45.848 325.797 -237.7005 -0.184 -0.337 0.010 0.010 0.0037 0.031 0.079 2011 4 25 55676 -46.171 327.498 -238.5595 -0.181 -0.366 0.010 0.010 0.0033 0.031 0.078 2011 4 26 55677 -46.020 329.198 -239.5203 -0.175 -0.366 0.010 0.009 0.0021 0.031 0.077 2011 4 27 55678 -45.763 331.317 -240.5563 -0.160 -0.347 0.010 0.009 0.0009 0.030 0.076 2011 4 28 55679 -45.337 333.596 -241.6538 -0.168 -0.207 0.010 0.010 0.0007 0.034 0.085 2011 4 29 55680 -45.114 336.139 -242.7748 -0.178 -0.034 0.010 0.011 0.0008 0.038 0.096 2011 4 30 55681 -44.690 338.523 -243.8777 -0.174 0.003 0.010 0.011 0.0026 0.036 0.091 2011 5 1 55682 -44.018 341.136 -244.9186 -0.165 -0.017 0.010 0.011 0.0032 0.032 0.081 Preliminary extension 2011 5 2 55683 -43.225 344.026 -245.9039 -0.156 -0.046 0.010 0.010 0.0021 0.028 0.071 2011 5 3 55684 -42.676 346.734 -246.8451 -0.142 -0.084 0.009 0.009 0.0010 0.024 0.060 2011 5 4 55685 -42.417 349.087 -247.7529 -0.223 -0.072 0.009 0.009 0.0045 0.031 0.077 2011 5 5 55686 -41.903 351.251 -248.6046 -0.321 -0.048 0.009 0.009 0.0054 0.040 0.100 2011 5 6 55687 -41.648 353.454 -249.4075 -0.409 -0.026 0.009 0.009 0.0020 0.049 0.124 2011 5 7 55688 -41.487 355.340 -250.2175 -0.401 -0.028 0.009 0.009 0.0020 0.048 0.120 2011 5 8 55689 -41.721 357.311 -251.0795 -0.356 -0.040 0.010 0.010 0.0026 0.042 0.105 2011 5 9 55690 -41.763 358.967 -252.0923 -0.313 -0.052 0.010 0.010 0.0021 0.036 0.091 2011 5 10 55691 -41.179 360.751 -253.3296 -0.274 -0.066 0.010 0.009 0.0012 0.030 0.076 2011 5 11 55692 -39.855 362.888 -254.7652 -0.306 -0.086 0.010 0.009 0.0020 0.027 0.069 2011 5 12 55693 -38.471 365.427 -256.3725 -0.361 -0.107 0.009 0.009 0.0020 0.025 0.063 2011 5 13 55694 -36.570 368.202 -258.1440 -0.422 -0.130 0.010 0.009 0.0009 0.023 0.058 2011 5 14 55695 -34.781 371.157 -260.0519 -0.004 0.019 0.010 0.009 0.0018 0.032 0.081 2011 5 15 55696 -33.352 374.068 -261.8390 -0.004 0.020 0.119 0.105 0.0100 0.036 0.090 2011 5 16 55697 -32.546 376.417 -263.4361 -0.004 0.020 0.215 0.169 0.0123 0.036 0.090 2011 5 17 55698 -31.900 378.042 -264.8299 -0.004 0.020 0.180 0.127 0.0098 0.036 0.090 2011 5 18 55699 -31.271 379.977 -266.0054 -0.004 0.020 0.153 0.119 0.0089 0.036 0.090 2011 5 19 55700 -30.656 381.642 -267.0094 -0.004 0.020 0.137 0.131 0.0152 0.036 0.090 2011 5 20 55701 -29.838 383.277 -267.7720 -0.005 0.020 0.153 0.138 0.0130 0.036 0.090 2011 5 21 55702 -28.971 384.816 -268.5789 -0.004 0.020 0.141 0.108 0.0160 0.036 0.090 2011 5 22 55703 -28.062 386.237 -269.3899 -0.004 0.020 0.153 0.112 0.0112 0.036 0.090 2011 5 23 55704 -26.776 387.726 -270.1991 -0.004 0.020 0.204 0.096 0.0119 0.036 0.090 2011 5 24 55705 -25.416 389.270 -271.0689 -0.005 0.020 0.172 0.123 0.0133 0.036 0.090 2011 5 25 55706 -23.669 390.894 -271.9898 -0.005 0.020 0.180 0.181 0.0081 0.036 0.090 2011 5 26 55707 -21.950 393.134 -272.9002 -0.005 0.020 0.180 0.135 0.0114 0.036 0.090 2011 5 27 55708 -20.311 395.578 -273.8960 -0.005 0.020 0.169 0.132 0.0269 0.036 0.090 2011 5 28 55709 -19.019 397.379 -274.8783 -0.005 0.020 0.187 0.138 0.0204 0.036 0.090 2011 5 29 55710 -17.936 398.972 -275.7330 -0.005 0.020 0.173 0.124 0.0285 0.036 0.090 2011 5 30 55711 -17.207 400.691 -276.5157 -0.004 0.020 0.150 0.165 0.1016 0.036 0.090 2011 5 31 55712 -16.600 402.140 -277.2308 -0.005 0.020 0.281 0.377 0.1016 0.036 0.090 2011 6 1 55713 -15.949 403.591 -277.8111 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 2011 4 2 55653 -65.630 -9.987 0.098 0.066 2011 4 3 55654 -65.535 -10.126 0.104 0.069 2011 4 4 55655 -65.518 -10.472 0.111 0.073 2011 4 5 55656 -65.438 -10.852 0.116 0.077 2011 4 6 55657 -65.200 -11.073 0.122 0.080 2011 4 7 55658 -64.972 -11.204 0.128 0.084 2011 4 8 55659 -64.880 -11.309 0.133 0.088 2011 4 9 55660 -65.050 -11.420 0.122 0.082 2011 4 10 55661 -65.326 -11.479 0.104 0.073 2011 4 11 55662 -65.454 -11.461 0.087 0.064 2011 4 12 55663 -65.357 -11.430 0.068 0.054 2011 4 13 55664 -65.211 -11.455 0.063 0.043 2011 4 14 55665 -65.095 -11.432 0.073 0.049 2011 4 15 55666 -65.146 -11.178 0.082 0.056 2011 4 16 55667 -65.335 -10.792 0.080 0.053 2011 4 17 55668 -65.659 -10.567 0.073 0.047 2011 4 18 55669 -65.901 -10.693 0.079 0.056 2011 4 19 55670 -65.907 -11.017 0.071 0.048 2011 4 20 55671 -65.854 -11.240 0.115 0.074 2011 4 21 55672 -65.665 -11.370 0.126 0.081 2011 4 22 55673 -65.342 -11.496 0.121 0.080 2011 4 23 55674 -65.067 -11.633 0.116 0.080 2011 4 24 55675 -65.138 -11.702 0.112 0.079 2011 4 25 55676 -65.576 -11.697 0.108 0.078 2011 4 26 55677 -65.974 -11.676 0.103 0.077 2011 4 27 55678 -65.909 -11.689 0.098 0.076 2011 4 28 55679 -65.507 -11.558 0.112 0.085 2011 4 29 55680 -65.121 -11.296 0.130 0.096 2011 4 30 55681 -65.004 -11.139 0.125 0.091 2011 5 1 55682 -65.153 -11.167 0.110 0.081 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 2011 4 2 55653 1.4911 0.0096 15.04106691909 0.00000000167 2011 4 3 55654 1.4364 0.0091 15.04106692861 0.00000000158 2011 4 4 55655 1.3027 0.0102 15.04106695189 0.00000000178 2011 4 5 55656 1.1316 0.0107 15.04106698167 0.00000000186 2011 4 6 55657 0.9764 0.0111 15.04106700869 0.00000000193 2011 4 7 55658 0.8173 0.0111 15.04106703639 0.00000000193 2011 4 8 55659 0.7289 0.0110 15.04106705178 0.00000000191 2011 4 9 55660 0.7568 0.0095 15.04106704692 0.00000000165 2011 4 10 55661 0.8225 0.0088 15.04106703548 0.00000000153 2011 4 11 55662 0.9108 0.0101 15.04106702011 0.00000000176 2011 4 12 55663 1.0861 0.0104 15.04106698960 0.00000000181 2011 4 13 55664 1.2665 0.0103 15.04106695819 0.00000000179 2011 4 14 55665 1.4165 0.0100 15.04106693208 0.00000000174 2011 4 15 55666 1.5815 0.0100 15.04106690335 0.00000000174 2011 4 16 55667 1.6685 0.0089 15.04106688821 0.00000000155 2011 4 17 55668 1.6137 0.0051 15.04106689775 0.00000000089 2011 4 18 55669 1.4380 0.0026 15.04106692833 0.00000000045 2011 4 19 55670 1.2212 0.0027 15.04106696608 0.00000000047 2011 4 20 55671 0.9743 0.0027 15.04106700906 0.00000000047 2011 4 21 55672 0.7908 0.0027 15.04106704100 0.00000000047 2011 4 22 55673 0.7030 0.0027 15.04106705629 0.00000000047 2011 4 23 55674 0.7207 0.0026 15.04106705321 0.00000000045 2011 4 24 55675 0.8311 0.0025 15.04106703399 0.00000000044 2011 4 25 55676 0.9177 0.0025 15.04106701891 0.00000000044 2011 4 26 55677 1.0008 0.0025 15.04106700444 0.00000000044 2011 4 27 55678 1.0757 0.0025 15.04106699141 0.00000000044 2011 4 28 55679 1.1122 0.0026 15.04106698505 0.00000000045 2011 4 29 55680 1.1361 0.0026 15.04106698089 0.00000000045 2011 4 30 55681 1.0800 0.0026 15.04106699066 0.00000000045 2011 5 1 55682 0.9977 0.0026 15.04106700498 0.00000000045 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [55653-55682] 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 1 132 99 4 - 94 95 8 55656.21 to 55680.27 184 274 19 - 153 169 BKG 8 R 2 120 108 4 - 81 80 8 55656.21 to 55680.27 141 198 8 - 73 36 GSFC 9 R 4 76 67 2 7 59 59 9 55656.21 to 55680.27 49 149 6 11 46 48 IAA 5 R 2 79 67 2 - 52 54 8 55656.21 to 55680.27 465 234 11 - 164 93 SPBU 3 R 3 161 124 4 - 115 117 2 55659.27 to 55666.27 0 0 0 - 0 0 USNO 10 R 1 101 87 3 - 77 80 8 55656.21 to 55680.27 309 611 32 - 167 134 MAO 3 R 1 94 76 3 - 60 61 8 55656.25 to 55680.28 214 104 8 - 134 117 IVS 2 R 1 * 75 64 2 - 20 51 8 55656.21 to 55680.27 124 148 7 - 41 9 VLBI Intensive BKG 3 R 2 * - - 13 - - - 27 55653.33 to 55681.33 - - 14 - - - GSFC 9 R 2 * - - 14 - - - 27 55653.33 to 55681.33 - - 12 - - - IAA 5 R 1 * - - 14 - - - 24 55653.33 to 55681.33 - - 18 - - - PUL 10 R 0 - - 13 - - - 26 55653.33 to 55681.33 - - 14 - - - USNO 5 R 1 * - - 14 - - - 27 55653.33 to 55681.33 - - 11 - - - GPS CODE 98 P 1 5 5 - 2 - - 29 55653.50 to 55681.50 17 19 - 11 - - JPL 96 P 3 9 9 - 6 - - 29 55653.50 to 55681.50 49 48 - 18 - - GFZ 96 P 2 5 6 - 1 - - 29 55653.50 to 55681.50 38 34 - 18 - - ESOC 96 P 1 12 9 - 1 - - 29 55653.50 to 55681.50 42 41 - 9 - - NOAA 96 P 1 2 3 - 36 - - 29 55653.50 to 55681.50 42 46 - 8 - - SIO 96 P 1 15 15 - 4 - - 29 55653.50 to 55681.50 47 35 - 14 - - EMR 96 P 3 32 33 - 6 - - 29 55653.50 to 55681.50 56 31 - 16 - - IAA 1 P 1 32 38 - 7 - - 29 55653.50 to 55681.50 99 116 - 37 - - IGR 96 P 2 * 25 19 - 6 - - 29 55653.50 to 55681.50 34 24 - 7 - - IGS 7 P 1 * 16 16 - 4 - - 29 55653.50 to 55681.50 23 16 - 4 - - SLR MCC 97 L 1 144 176 - 21 - - 30 55653.00 to 55682.00 116 125 - 166 - - IAA 2 L 1 31 38 - 1 - - 30 55653.00 to 55682.00 137 95 - 18 - - ASI 3 L 2 77 103 - 20 - - 29 55653.50 to 55681.50 152 345 - 61 - - PUL 10 L 0 36 44 - 2 - - 29 55653.61 to 55681.44 138 131 - 17 - - ILRS 5 L 1 * 58 70 - 13 - - 28 55654.50 to 55681.50 145 164 - 29 - - BULLETIN A NEOS 97 C 1 33 28 5 - - - 30 55653.00 to 55682.00 21 16 8 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html