BULLETIN B 284 4 Octobre 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 0.010 0.011 0.0038 0.041 0.053 2011 8 2 55775 106.981 444.975 -291.6512 -0.172 0.245 0.011 0.011 0.0035 0.046 0.115 2011 8 3 55776 109.324 444.428 -292.3162 -0.176 0.228 0.010 0.011 0.0044 0.043 0.108 2011 8 4 55777 111.766 443.813 -293.0062 -0.171 0.222 0.010 0.011 0.0043 0.038 0.096 2011 8 5 55778 114.572 443.239 -293.5951 -0.161 0.215 0.010 0.011 0.0025 0.034 0.085 2011 8 6 55779 117.268 442.798 -293.9755 -0.168 0.203 0.010 0.011 0.0039 0.027 0.068 2011 8 7 55780 119.281 442.390 -294.1342 -0.174 0.191 0.010 0.011 0.0051 0.020 0.050 2011 8 8 55781 121.142 441.833 -294.1007 -0.173 0.194 0.011 0.011 0.0054 0.037 0.093 2011 8 9 55782 123.253 441.146 -293.9617 -0.174 0.194 0.011 0.012 0.0060 0.039 0.098 2011 8 10 55783 125.601 440.519 -293.7734 -0.152 0.154 0.010 0.012 0.0033 0.041 0.102 2011 8 11 55784 127.806 440.075 -293.5942 -0.123 0.111 0.010 0.012 0.0023 0.042 0.105 2011 8 12 55785 129.646 439.523 -293.4782 -0.094 0.074 0.010 0.012 0.0016 0.043 0.107 2011 8 13 55786 131.507 439.018 -293.4662 -0.100 0.096 0.010 0.012 0.0028 0.038 0.095 2011 8 14 55787 133.089 438.494 -293.5508 -0.119 0.142 0.010 0.012 0.0037 0.031 0.077 2011 8 15 55788 134.787 437.436 -293.7164 -0.135 0.191 0.011 0.012 0.0061 0.023 0.059 2011 8 16 55789 136.682 436.681 -293.9483 -0.144 0.241 0.011 0.012 0.0058 0.016 0.041 2011 8 17 55790 138.520 435.967 -294.1932 -0.127 0.286 0.011 0.012 0.0030 0.009 0.023 2011 8 18 55791 140.338 435.404 -294.4362 -0.076 0.293 0.011 0.012 0.0030 0.013 0.032 2011 8 19 55792 141.896 434.618 -294.6286 -0.015 0.283 0.011 0.012 0.0030 0.019 0.049 2011 8 20 55793 143.243 433.774 -294.7074 -0.015 0.289 0.011 0.012 0.0035 0.019 0.047 2011 8 21 55794 144.172 432.778 -294.6704 -0.042 0.293 0.011 0.012 0.0035 0.015 0.038 2011 8 22 55795 145.477 431.480 -294.5534 -0.081 0.278 0.011 0.012 0.0021 0.012 0.029 2011 8 23 55796 146.664 430.470 -294.4008 -0.108 0.270 0.011 0.012 0.0008 0.008 0.020 2011 8 24 55797 147.668 429.181 -294.2441 -0.083 0.265 0.011 0.012 0.0054 0.008 0.021 2011 8 25 55798 148.843 428.102 -294.1475 -0.045 0.263 0.011 0.012 0.0065 0.008 0.021 2011 8 26 55799 150.225 427.046 -294.2076 -0.009 0.261 0.011 0.012 0.0020 0.008 0.020 2011 8 27 55800 151.915 426.033 -294.5205 -0.010 0.252 0.011 0.012 0.0030 0.007 0.018 2011 8 28 55801 153.588 424.824 -295.0962 -0.027 0.241 0.011 0.012 0.0045 0.006 0.014 2011 8 29 55802 155.591 423.544 -295.9112 -0.046 0.234 0.011 0.012 0.0035 0.004 0.010 2011 8 30 55803 157.461 422.636 -296.8942 -0.066 0.234 0.011 0.012 0.0011 0.002 0.006 2011 8 31 55804 159.199 421.633 -297.9139 -0.086 0.236 0.011 0.012 0.0048 0.003 0.007 2011 9 1 55805 161.059 420.809 -298.8842 -0.104 0.244 0.011 0.012 0.0061 0.004 0.009 Preliminary extension 2011 9 2 55806 162.533 419.786 -299.7153 -0.117 0.256 0.011 0.012 0.0016 0.004 0.011 2011 9 3 55807 163.907 418.636 -300.3073 -0.104 0.293 0.011 0.012 0.0021 0.005 0.012 2011 9 4 55808 165.295 417.106 -300.6671 -0.079 0.335 0.011 0.012 0.0039 0.004 0.011 2011 9 5 55809 166.557 415.648 -300.8699 -0.009 0.405 0.011 0.012 0.0049 0.125 0.314 2011 9 6 55810 167.470 414.384 -301.0301 0.031 0.448 0.011 0.012 0.0036 0.169 0.425 2011 9 7 55811 168.603 413.205 -301.2156 0.015 0.434 0.011 0.012 0.0009 0.035 0.088 2011 9 8 55812 170.145 411.902 -301.4962 -0.040 0.377 0.011 0.012 0.0006 0.008 0.021 2011 9 9 55813 172.129 410.653 -301.8710 -0.105 0.300 0.011 0.012 0.0010 0.014 0.034 2011 9 10 55814 174.331 409.385 -302.3123 -0.108 0.279 0.011 0.012 0.0025 0.015 0.037 2011 9 11 55815 176.199 408.087 -302.8353 -0.087 0.274 0.011 0.012 0.0042 0.014 0.035 2011 9 12 55816 177.563 406.843 -303.4329 -0.062 0.264 0.011 0.012 0.0036 0.014 0.034 2011 9 13 55817 178.657 405.668 -304.0873 -0.035 0.250 0.011 0.012 0.0012 0.013 0.033 2011 9 14 55818 179.725 404.584 -304.7989 -0.009 0.229 0.011 0.012 0.0063 0.010 0.025 2011 9 15 55819 180.629 403.661 -305.5034 0.017 0.212 0.011 0.012 0.0097 0.006 0.014 2011 9 16 55820 181.459 402.560 -306.1294 -0.005 0.021 0.011 0.012 0.0083 0.020 0.050 2011 9 17 55821 182.143 401.431 -306.6522 -0.005 0.021 0.011 0.012 0.0048 0.036 0.090 2011 9 18 55822 182.335 400.216 -307.0994 -0.005 0.022 0.106 0.057 0.0092 0.036 0.090 2011 9 19 55823 182.191 399.079 -307.5013 -0.005 0.022 0.232 0.138 0.0164 0.036 0.090 2011 9 20 55824 181.991 397.175 -307.9135 -0.005 0.022 0.222 0.159 0.0205 0.036 0.090 2011 9 21 55825 182.285 394.973 -308.4085 -0.005 0.021 0.237 0.210 0.0237 0.036 0.090 2011 9 22 55826 182.428 393.042 -309.0511 -0.005 0.022 0.308 0.220 0.0228 0.036 0.090 2011 9 23 55827 182.397 391.215 -309.9006 -0.005 0.022 0.262 0.164 0.0247 0.036 0.090 2011 9 24 55828 182.617 389.548 -311.0133 -0.005 0.021 0.212 0.215 0.0157 0.036 0.090 2011 9 25 55829 182.580 388.046 -312.4174 -0.005 0.022 0.237 0.189 0.0130 0.036 0.090 2011 9 26 55830 182.026 386.318 -314.0154 -0.005 0.022 0.262 0.102 0.0133 0.036 0.090 2011 9 27 55831 181.329 384.441 -315.7595 -0.005 0.022 0.272 0.148 0.0172 0.036 0.090 2011 9 28 55832 180.486 382.529 -317.5260 -0.005 0.022 0.247 0.159 0.0228 0.036 0.090 2011 9 29 55833 179.937 380.484 -319.1343 -0.005 0.022 0.197 0.138 0.0211 0.036 0.090 2011 9 30 55834 179.818 378.683 -320.4786 -0.005 0.022 0.182 0.198 0.0151 0.036 0.090 2011 10 1 55835 179.989 376.764 -321.6265 -0.005 0.022 0.289 0.239 0.0208 0.036 0.090 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 8 2 55775 -75.916 -10.291 0.155 0.115 2011 8 3 55776 -76.619 -10.041 0.165 0.108 2011 8 4 55777 -77.296 -10.025 0.170 0.096 2011 8 5 55778 -77.650 -10.184 0.175 0.085 2011 8 6 55779 -77.656 -10.380 0.147 0.068 2011 8 7 55780 -77.482 -10.528 0.105 0.050 2011 8 8 55781 -77.396 -10.620 0.151 0.093 2011 8 9 55782 -77.528 -10.716 0.141 0.098 2011 8 10 55783 -77.675 -10.861 0.149 0.102 2011 8 11 55784 -77.680 -10.975 0.161 0.105 2011 8 12 55785 -77.517 -10.980 0.173 0.107 2011 8 13 55786 -77.404 -10.799 0.164 0.095 2011 8 14 55787 -77.404 -10.527 0.148 0.077 2011 8 15 55788 -77.528 -10.310 0.133 0.059 2011 8 16 55789 -77.775 -10.239 0.116 0.041 2011 8 17 55790 -78.058 -10.296 0.100 0.023 2011 8 18 55791 -78.225 -10.406 0.131 0.032 2011 8 19 55792 -78.158 -10.480 0.174 0.049 2011 8 20 55793 -78.041 -10.539 0.155 0.047 2011 8 21 55794 -78.037 -10.690 0.114 0.038 2011 8 22 55795 -78.354 -10.935 0.062 0.029 2011 8 23 55796 -78.856 -11.104 0.027 0.020 2011 8 24 55797 -79.108 -11.097 0.031 0.021 2011 8 25 55798 -78.975 -10.993 0.033 0.021 2011 8 26 55799 -78.570 -10.964 0.035 0.020 2011 8 27 55800 -78.211 -11.040 0.031 0.018 2011 8 28 55801 -78.036 -11.036 0.023 0.014 2011 8 29 55802 -78.117 -10.806 0.009 0.010 2011 8 30 55803 -78.461 -10.456 0.005 0.006 2011 8 31 55804 -78.952 -10.227 0.008 0.007 2011 9 1 55805 -79.417 -10.192 0.012 0.009 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 8 2 55775 0.6109 0.0029 15.04106707232 0.00000000050 2011 8 3 55776 0.6800 0.0030 15.04106706029 0.00000000052 2011 8 4 55777 0.6463 0.0031 15.04106706616 0.00000000054 2011 8 5 55778 0.5086 0.0031 15.04106709013 0.00000000054 2011 8 6 55779 0.2615 0.0031 15.04106713315 0.00000000054 2011 8 7 55780 0.0621 0.0030 15.04106716786 0.00000000052 2011 8 8 55781 -0.0767 0.0030 15.04106719202 0.00000000052 2011 8 9 55782 -0.1694 0.0030 15.04106720816 0.00000000052 2011 8 10 55783 -0.1950 0.0029 15.04106721262 0.00000000050 2011 8 11 55784 -0.1561 0.0030 15.04106720585 0.00000000052 2011 8 12 55785 -0.0673 0.0030 15.04106719039 0.00000000052 2011 8 13 55786 0.0279 0.0030 15.04106717381 0.00000000052 2011 8 14 55787 0.1158 0.0029 15.04106715851 0.00000000050 2011 8 15 55788 0.2095 0.0029 15.04106714220 0.00000000050 2011 8 16 55789 0.2304 0.0029 15.04106713856 0.00000000050 2011 8 17 55790 0.2303 0.0029 15.04106713858 0.00000000050 2011 8 18 55791 0.2310 0.0029 15.04106713846 0.00000000050 2011 8 19 55792 0.1337 0.0029 15.04106715539 0.00000000050 2011 8 20 55793 0.0123 0.0028 15.04106717653 0.00000000049 2011 8 21 55794 -0.0876 0.0030 15.04106719392 0.00000000052 2011 8 22 55795 -0.1355 0.0031 15.04106720226 0.00000000054 2011 8 23 55796 -0.1563 0.0031 15.04106720588 0.00000000054 2011 8 24 55797 -0.1262 0.0030 15.04106720064 0.00000000052 2011 8 25 55798 -0.0413 0.0030 15.04106718586 0.00000000052 2011 8 26 55799 0.1762 0.0031 15.04106714800 0.00000000054 2011 8 27 55800 0.4482 0.0031 15.04106710064 0.00000000054 2011 8 28 55801 0.6916 0.0030 15.04106705827 0.00000000052 2011 8 29 55802 0.9098 0.0031 15.04106702029 0.00000000054 2011 8 30 55803 0.9943 0.0032 15.04106700558 0.00000000056 2011 8 31 55804 0.9990 0.0032 15.04106700476 0.00000000056 2011 9 1 55805 0.9053 0.0032 15.04106702107 0.00000000056 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [55775-55805] 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 1 164 141 7 - 104 108 5 55775.21 to 55792.27 306 173 15 - 723 427 BKG 8 R 2 126 118 5 - 61 61 9 55775.21 to 55803.21 118 65 14 - 93 43 GSFC 9 R 4 358 224 14 35 140 122 10 55775.21 to 55803.21 121 86 15 26 50 78 IAA 5 R 2 102 89 4 - 63 64 9 55775.21 to 55803.21 201 128 22 - 89 130 SPBU 3 R 3 0 0 0 - 0 0 0 0.00 to 0.00 0 0 0 - 0 0 USNO 10 R 1 108 101 5 - 68 69 9 55775.21 to 55803.21 51 66 15 - 64 76 MAO 3 R 1 81 74 3 - 56 54 8 55775.23 to 55799.31 358 546 54 - 119 152 IVS 2 R 1 * 74 79 3 - 19 45 7 55775.21 to 55803.21 217 210 2 - 10 4 VLBI Intensive BKG 3 R 2 * - - 13 - - - 22 55775.79 to 55804.79 - - 31 - - - GSFC 9 R 2 * - - 14 - - - 22 55775.79 to 55804.79 - - 30 - - - IAA 5 R 1 * - - 12 - - - 21 55775.79 to 55804.79 - - 23 - - - PUL 10 R 0 - - 14 - - - 23 55775.79 to 55804.79 - - 26 - - - USNO 5 R 1 * - - 14 - - - 23 55775.79 to 55804.79 - - 29 - - - GPS CODE 98 P 1 5 5 - 2 - - 30 55775.50 to 55804.50 19 18 - 7 - - JPL 96 P 3 9 10 - 5 - - 30 55775.50 to 55804.50 51 38 - 13 - - GFZ 96 P 2 5 5 - 1 - - 30 55775.50 to 55804.50 24 38 - 7 - - ESOC 96 P 1 16 13 - 2 - - 30 55775.50 to 55804.50 26 43 - 8 - - NOAA 96 P 1 3 3 - 36 - - 30 55775.50 to 55804.50 48 35 - 6 - - SIO 96 P 1 16 16 - 4 - - 30 55775.50 to 55804.50 29 32 - 12 - - EMR 96 P 3 33 34 - 6 - - 30 55775.50 to 55804.50 45 48 - 12 - - IAA 1 P 1 32 41 - 7 - - 30 55775.50 to 55804.50 128 165 - 35 - - IGR 96 P 2 * 19 15 - 4 - - 30 55775.50 to 55804.50 27 31 - 6 - - IGS 7 P 1 * 5 5 - 1 - - 30 55775.50 to 55804.50 22 27 - 5 - - SLR MCC 97 L 1 116 132 - 21 - - 28 55775.00 to 55805.00 101 119 - 227 - - IAA 2 L 1 34 37 - 2 - - 31 55775.00 to 55805.00 128 119 - 16 - - CGS 3 L 2 59 66 - 14 - - 30 55775.50 to 55804.50 125 166 - 50 - - PUL 10 L 0 36 38 - 2 - - 31 55775.03 to 55804.47 112 85 - 17 - - ILRS 5 L 1 * 48 57 - 12 - - 30 55775.50 to 55804.50 106 149 - 32 - - BULLETIN A NEOS 97 C 1 26 27 9 - - - 31 55775.00 to 55805.00 20 26 18 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html