BULLETIN B 283 1 Septembre 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 0.009 0.010 0.0047 0.052 0.077 2011 7 2 55744 45.235 436.342 -290.6481 0.000 0.113 0.010 0.011 0.0040 0.024 0.060 2011 7 3 55745 46.669 437.102 -290.5549 -0.042 0.139 0.010 0.011 0.0059 0.019 0.048 2011 7 4 55746 48.280 437.846 -290.6998 -0.097 0.157 0.009 0.009 0.0057 0.014 0.036 2011 7 5 55747 50.432 438.930 -291.0693 -0.160 0.166 0.009 0.008 0.0042 0.010 0.024 2011 7 6 55748 52.483 440.095 -291.5638 -0.226 0.166 0.010 0.008 0.0010 0.005 0.012 2011 7 7 55749 55.126 440.724 -292.0687 -0.268 0.132 0.010 0.009 0.0006 0.008 0.019 2011 7 8 55750 57.646 441.298 -292.4904 -0.295 0.085 0.010 0.009 0.0010 0.012 0.030 2011 7 9 55751 59.875 441.691 -292.7677 -0.332 0.097 0.010 0.009 0.0038 0.021 0.054 2011 7 10 55752 62.145 442.115 -292.8497 -0.360 0.130 0.010 0.010 0.0058 0.033 0.083 2011 7 11 55753 64.362 442.939 -292.7382 -0.294 0.073 0.009 0.010 0.0072 0.044 0.111 2011 7 12 55754 65.815 443.806 -292.4943 -0.275 0.079 0.008 0.009 0.0097 0.056 0.140 2011 7 13 55755 67.178 444.336 -292.1683 -0.201 0.055 0.009 0.009 0.0109 0.020 0.051 2011 7 14 55756 68.786 444.763 -291.8385 -0.133 0.048 0.009 0.008 0.0086 0.013 0.032 2011 7 15 55757 70.635 445.111 -291.5695 -0.081 0.054 0.008 0.009 0.0024 0.017 0.043 2011 7 16 55758 72.318 445.579 -291.3946 -0.096 0.101 0.008 0.010 0.0035 0.018 0.044 2011 7 17 55759 74.455 446.305 -291.3389 -0.139 0.160 0.009 0.011 0.0055 0.017 0.042 2011 7 18 55760 76.560 447.174 -291.4008 -0.172 0.210 0.010 0.011 0.0045 0.016 0.041 2011 7 19 55761 78.699 447.587 -291.5828 -0.221 0.260 0.010 0.011 0.0020 0.016 0.039 2011 7 20 55762 81.149 447.860 -291.8225 -0.244 0.221 0.010 0.011 0.0033 0.021 0.054 2011 7 21 55763 83.798 448.187 -292.0306 -0.256 0.152 0.010 0.011 0.0035 0.029 0.074 2011 7 22 55764 86.592 448.645 -292.1587 -0.262 0.083 0.010 0.011 0.0017 0.037 0.094 2011 7 23 55765 89.055 449.384 -292.2171 -0.255 0.037 0.010 0.011 0.0039 0.046 0.116 2011 7 24 55766 91.016 449.723 -292.2033 -0.240 0.010 0.010 0.011 0.0057 0.056 0.140 2011 7 25 55767 93.145 449.646 -292.0853 -0.221 0.014 0.010 0.011 0.0051 0.065 0.163 2011 7 26 55768 94.914 449.547 -291.8663 -0.195 0.023 0.010 0.011 0.0044 0.074 0.187 2011 7 27 55769 96.242 448.681 -291.5591 -0.145 0.172 0.010 0.011 0.0074 0.065 0.163 2011 7 28 55770 97.874 447.301 -291.2183 -0.107 0.300 0.010 0.011 0.0077 0.050 0.126 2011 7 29 55771 99.901 446.313 -290.9240 -0.076 0.422 0.010 0.011 0.0026 0.035 0.088 2011 7 30 55772 101.617 445.867 -290.7634 -0.083 0.431 0.010 0.011 0.0037 0.034 0.085 2011 7 31 55773 103.135 445.733 -290.8164 -0.106 0.381 0.011 0.011 0.0053 0.038 0.095 2011 8 1 55774 104.875 445.615 -291.1213 -0.137 0.319 0.011 0.011 0.0046 0.042 0.105 Preliminary extension 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 121.143 441.836 -294.1115 -0.173 0.181 0.010 0.011 0.0037 0.012 0.031 2011 8 9 55782 123.252 441.143 -293.9674 -0.165 0.173 0.010 0.011 0.0009 0.005 0.012 2011 8 10 55783 125.599 440.521 -293.7775 -0.148 0.148 0.010 0.011 0.0032 0.014 0.034 2011 8 11 55784 127.808 440.074 -293.6034 -0.126 0.119 0.010 0.011 0.0042 0.026 0.066 2011 8 12 55785 129.644 439.525 -293.4841 -0.102 0.088 0.010 0.011 0.0024 0.039 0.098 2011 8 13 55786 131.507 439.014 -293.4427 -0.091 0.105 0.010 0.011 0.0024 0.037 0.094 2011 8 14 55787 133.099 438.505 -293.5413 -0.088 0.140 0.107 0.053 0.0077 0.030 0.076 2011 8 15 55788 134.828 437.449 -293.7452 -0.091 0.174 0.180 0.104 0.0128 0.023 0.058 2011 8 16 55789 136.689 436.674 -293.9812 -0.102 0.211 0.175 0.104 0.0128 0.016 0.040 2011 8 17 55790 138.545 435.995 -294.2413 -0.121 0.248 0.157 0.118 0.0133 0.009 0.022 2011 8 18 55791 140.378 435.423 -294.4625 -0.021 0.213 0.166 0.127 0.0105 0.016 0.039 2011 8 19 55792 141.928 434.626 -294.6122 0.107 0.159 0.166 0.156 0.0039 0.026 0.065 2011 8 20 55793 143.264 433.822 -294.7271 -0.005 0.022 0.157 0.245 0.0095 0.031 0.079 2011 8 21 55794 144.177 432.819 -294.7132 -0.005 0.021 0.161 0.222 0.0145 0.032 0.081 2011 8 22 55795 145.492 431.468 -294.5854 -0.005 0.021 0.120 0.127 0.0136 0.032 0.081 2011 8 23 55796 146.664 430.483 -294.4075 -0.005 0.021 0.111 0.184 0.0121 0.032 0.081 2011 8 24 55797 147.690 429.199 -294.2387 -0.005 0.021 0.148 0.208 0.0107 0.032 0.081 2011 8 25 55798 148.867 428.113 -294.1704 -0.005 0.022 0.143 0.137 0.0081 0.032 0.081 2011 8 26 55799 150.252 427.077 -294.2465 -0.005 0.022 0.134 0.137 0.0104 0.032 0.081 2011 8 27 55800 151.941 426.042 -294.5557 -0.005 0.022 0.184 0.132 0.0166 0.032 0.081 2011 8 28 55801 153.609 424.840 -295.1313 -0.005 0.021 0.201 0.119 0.0176 0.032 0.081 2011 8 29 55802 155.611 423.574 -295.9299 -0.005 0.021 0.187 0.175 0.0145 0.032 0.081 2011 8 30 55803 157.473 422.644 -296.8654 -0.005 0.022 0.215 0.209 0.0197 0.032 0.081 2011 8 31 55804 159.219 421.657 -297.8001 -0.005 0.022 0.364 0.152 0.0269 0.032 0.081 2011 9 1 55805 161.055 420.835 -298.6608 -0.005 0.022 0.887 0.220 0.0851 0.032 0.081 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 7 2 55744 -70.749 -11.144 0.105 0.060 2011 7 3 55745 -70.681 -11.078 0.084 0.048 2011 7 4 55746 -70.910 -10.887 0.063 0.036 2011 7 5 55747 -71.468 -10.637 0.042 0.024 2011 7 6 55748 -72.184 -10.450 0.022 0.012 2011 7 7 55749 -72.739 -10.410 0.035 0.019 2011 7 8 55750 -73.018 -10.450 0.057 0.030 2011 7 9 55751 -73.152 -10.428 0.097 0.054 2011 7 10 55752 -73.299 -10.381 0.143 0.083 2011 7 11 55753 -73.372 -10.486 0.186 0.111 2011 7 12 55754 -73.663 -10.629 0.231 0.140 2011 7 13 55755 -73.723 -10.843 0.147 0.051 2011 7 14 55756 -73.562 -10.956 0.106 0.032 2011 7 15 55757 -73.250 -10.889 0.091 0.043 2011 7 16 55758 -73.096 -10.661 0.082 0.044 2011 7 17 55759 -73.167 -10.448 0.076 0.042 2011 7 18 55760 -73.424 -10.401 0.071 0.041 2011 7 19 55761 -73.886 -10.508 0.065 0.039 2011 7 20 55762 -74.334 -10.724 0.084 0.054 2011 7 21 55763 -74.678 -10.851 0.108 0.074 2011 7 22 55764 -74.870 -10.846 0.133 0.094 2011 7 23 55765 -74.976 -10.800 0.177 0.116 2011 7 24 55766 -75.170 -10.833 0.228 0.140 2011 7 25 55767 -75.539 -10.924 0.280 0.163 2011 7 26 55768 -75.956 -10.994 0.331 0.187 2011 7 27 55769 -76.168 -10.850 0.282 0.163 2011 7 28 55770 -76.137 -10.723 0.211 0.126 2011 7 29 55771 -75.871 -10.687 0.140 0.088 2011 7 30 55772 -75.572 -10.796 0.132 0.085 2011 7 31 55773 -75.365 -10.815 0.128 0.095 2011 8 1 55774 -75.439 -10.605 0.142 0.105 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 7 2 55744 -0.1823 0.0026 15.04106721041 0.00000000045 2011 7 3 55745 0.0021 0.0026 15.04106717830 0.00000000045 2011 7 4 55746 0.2694 0.0026 15.04106713177 0.00000000045 2011 7 5 55747 0.4508 0.0026 15.04106710019 0.00000000045 2011 7 6 55748 0.4988 0.0026 15.04106709184 0.00000000045 2011 7 7 55749 0.4628 0.0026 15.04106709810 0.00000000045 2011 7 8 55750 0.3627 0.0025 15.04106711553 0.00000000044 2011 7 9 55751 0.1829 0.0024 15.04106714683 0.00000000042 2011 7 10 55752 -0.0255 0.0025 15.04106718311 0.00000000044 2011 7 11 55753 -0.1724 0.0025 15.04106720868 0.00000000044 2011 7 12 55754 -0.2973 0.0024 15.04106723043 0.00000000042 2011 7 13 55755 -0.3443 0.0025 15.04106723861 0.00000000044 2011 7 14 55756 -0.2973 0.0026 15.04106723043 0.00000000045 2011 7 15 55757 -0.2375 0.0025 15.04106722002 0.00000000044 2011 7 16 55758 -0.1395 0.0025 15.04106720296 0.00000000044 2011 7 17 55759 -0.0017 0.0026 15.04106717897 0.00000000045 2011 7 18 55760 0.1290 0.0027 15.04106715621 0.00000000047 2011 7 19 55761 0.2225 0.0027 15.04106713994 0.00000000047 2011 7 20 55762 0.2355 0.0027 15.04106713767 0.00000000047 2011 7 21 55763 0.1481 0.0027 15.04106715289 0.00000000047 2011 7 22 55764 0.0894 0.0027 15.04106716311 0.00000000047 2011 7 23 55765 0.0247 0.0026 15.04106717437 0.00000000045 2011 7 24 55766 -0.0496 0.0026 15.04106718731 0.00000000045 2011 7 25 55767 -0.1552 0.0027 15.04106720569 0.00000000047 2011 7 26 55768 -0.2726 0.0027 15.04106722613 0.00000000047 2011 7 27 55769 -0.3218 0.0027 15.04106723469 0.00000000047 2011 7 28 55770 -0.3103 0.0027 15.04106723269 0.00000000047 2011 7 29 55771 -0.2384 0.0027 15.04106722017 0.00000000047 2011 7 30 55772 -0.0760 0.0027 15.04106719190 0.00000000047 2011 7 31 55773 0.1740 0.0030 15.04106714838 0.00000000052 2011 8 1 55774 0.4194 0.0031 15.04106710566 0.00000000054 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [55744-55774] 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 1 129 116 5 - 103 103 8 55748.21 to 55771.27 191 200 10 - 122 150 BKG 8 R 2 140 140 5 - 80 87 10 55747.00 to 55771.27 263 132 11 - 129 67 GSFC 9 R 4 106 112 4 14 68 75 10 55747.00 to 55771.27 169 128 7 15 104 87 IAA 5 R 2 74 84 4 - 62 58 9 55748.21 to 55771.27 163 159 11 - 67 113 SPBU 3 R 3 0 0 0 - 0 0 0 0.00 to 0.00 483647 483647 0 - 483647 483647 USNO 10 R 1 102 97 4 - 82 85 8 55748.21 to 55771.27 79 101 5 - 67 94 MAO 3 R 1 65 72 3 - 52 51 7 55750.29 to 55771.27 398 75 35 - 123 150 IVS 2 R 1 * 98 81 4 - 22 57 8 55748.21 to 55771.27 76 68 1 - 12 15 VLBI Intensive BKG 3 R 2 * - - 17 - - - 30 55744.27 to 55773.27 - - 28 - - - GSFC 9 R 2 * - - 18 - - - 30 55744.27 to 55773.27 - - 30 - - - IAA 5 R 1 * - - 17 - - - 25 55744.27 to 55771.80 - - 32 - - - PUL 10 R 0 - - 21 - - - 31 55744.27 to 55773.27 - - 30 - - - USNO 5 R 1 * - - 24 - - - 32 55744.27 to 55773.27 - - 36 - - - GPS CODE 98 P 1 5 5 - 2 - - 30 55744.50 to 55773.50 20 17 - 7 - - JPL 96 P 3 9 9 - 4 - - 30 55744.50 to 55773.50 72 63 - 17 - - GFZ 96 P 2 5 5 - 1 - - 30 55744.50 to 55773.50 37 30 - 6 - - ESOC 96 P 1 15 13 - 1 - - 30 55744.50 to 55773.50 59 30 - 6 - - NOAA 96 P 1 3 3 - 38 - - 30 55744.50 to 55773.50 44 36 - 8 - - SIO 96 P 1 16 16 - 4 - - 30 55744.50 to 55773.50 30 28 - 8 - - EMR 96 P 3 32 33 - 5 - - 30 55744.50 to 55773.50 37 31 - 9 - - IAA 1 P 1 28 36 - 6 - - 30 55744.50 to 55773.50 69 150 - 23 - - IGR 96 P 2 * 24 18 - 4 - - 30 55744.50 to 55773.50 31 21 - 4 - - IGS 7 P 1 * 4 4 - 1 - - 30 55744.50 to 55773.50 25 18 - 4 - - SLR MCC 97 L 1 140 141 - 16 - - 15 55744.00 to 55758.00 96 111 - 243 - - IAA 2 L 1 61 52 - 3 - - 22 55744.00 to 55765.00 323 200 - 33 - - CGS 3 L 2 88 86 - 19 - - 30 55744.50 to 55773.50 269 207 - 54 - - PUL 10 L 0 61 53 - 3 - - 23 55744.58 to 55766.53 134 133 - 25 - - ILRS 5 L 1 * 54 60 - 13 - - 15 55744.50 to 55758.50 198 130 - 30 - - BULLETIN A NEOS 97 C 1 25 27 6 - - - 31 55744.00 to 55774.00 24 16 15 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html