BULLETIN B 278 1 April 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 0.049 0.052 0.0064 0.032 0.069 2011 2 2 55594 43.668 201.441 -157.0526 0.130 -0.264 0.049 0.055 0.0053 0.018 0.044 2011 2 3 55595 42.794 202.288 -157.6721 0.096 -0.178 0.050 0.057 0.0087 0.022 0.055 2011 2 4 55596 41.554 202.570 -158.4166 0.067 -0.089 0.049 0.056 0.0023 0.026 0.066 2011 2 5 55597 40.212 202.929 -159.2173 0.079 -0.054 0.049 0.056 0.0066 0.026 0.066 2011 2 6 55598 39.066 203.372 -160.0001 0.108 -0.044 0.048 0.052 0.0091 0.025 0.063 2011 2 7 55599 38.209 204.348 -160.7536 0.129 -0.025 0.046 0.050 0.0059 0.023 0.059 2011 2 8 55600 37.496 205.723 -161.4609 0.164 -0.037 0.045 0.051 0.0014 0.022 0.055 2011 2 9 55601 36.192 207.298 -162.0813 0.169 -0.080 0.045 0.049 0.0036 0.027 0.068 2011 2 10 55602 34.283 208.594 -162.6230 0.168 -0.141 0.045 0.048 0.0058 0.034 0.085 2011 2 11 55603 32.105 209.586 -163.0933 0.164 -0.210 0.047 0.051 0.0018 0.041 0.102 2011 2 12 55604 30.701 210.469 -163.4644 0.190 -0.293 0.048 0.051 0.0073 0.041 0.103 2011 2 13 55605 29.391 211.592 -163.8058 0.223 -0.372 0.049 0.054 0.0130 0.039 0.099 2011 2 14 55606 27.774 212.363 -164.1841 0.245 -0.415 0.049 0.055 0.0100 0.037 0.093 2011 2 15 55607 26.124 213.146 -164.6670 0.259 -0.466 0.050 0.054 0.0023 0.035 0.089 2011 2 16 55608 24.928 214.441 -165.3702 0.227 -0.470 0.049 0.045 0.0096 0.034 0.085 2011 2 17 55609 23.412 216.275 -166.3794 0.177 -0.450 0.049 0.045 0.0112 0.032 0.081 2011 2 18 55610 21.794 217.849 -167.6724 0.120 -0.415 0.049 0.053 0.0029 0.031 0.078 2011 2 19 55611 20.044 218.902 -169.1337 0.082 -0.408 0.050 0.054 0.0070 0.028 0.070 2011 2 20 55612 18.553 220.015 -170.7531 0.052 -0.404 0.051 0.056 0.0107 0.024 0.061 2011 2 21 55613 16.793 220.739 -172.3867 0.023 -0.379 0.052 0.057 0.0072 0.021 0.052 2011 2 22 55614 15.230 221.266 -173.8320 0.003 -0.360 0.050 0.040 0.0017 0.017 0.043 2011 2 23 55615 13.783 222.006 -174.9881 -0.034 -0.286 0.053 0.041 0.0067 0.019 0.049 2011 2 24 55616 12.281 222.902 -175.8488 -0.068 -0.201 0.054 0.056 0.0108 0.023 0.058 2011 2 25 55617 10.156 223.992 -176.4760 -0.093 -0.125 0.054 0.057 0.0030 0.027 0.068 2011 2 26 55618 7.633 224.724 -176.9533 -0.045 -0.133 0.055 0.059 0.0069 0.027 0.068 2011 2 27 55619 4.956 225.699 -177.3739 0.029 -0.181 0.053 0.057 0.0098 0.025 0.064 2011 2 28 55620 2.609 226.912 -177.8564 0.102 -0.235 0.046 0.051 0.0061 0.024 0.060 2011 3 1 55621 0.836 228.251 -178.4597 0.171 -0.297 0.046 0.050 0.0015 0.022 0.056 Preliminary extension 2011 3 2 55622 -0.704 229.376 -179.1860 0.120 -0.258 0.048 0.052 0.0048 0.029 0.072 2011 3 3 55623 -1.818 230.519 -180.0841 0.035 -0.197 0.048 0.052 0.0077 0.036 0.091 2011 3 4 55624 -2.620 231.967 -181.1598 -0.050 -0.141 0.049 0.053 0.0025 0.043 0.109 2011 3 5 55625 -3.077 233.518 -182.3075 -0.052 -0.168 0.049 0.053 0.0059 0.039 0.099 2011 3 6 55626 -3.417 235.516 -183.5123 -0.019 -0.230 0.050 0.053 0.0100 0.031 0.079 2011 3 7 55627 -4.509 237.522 -184.6848 0.017 -0.291 0.050 0.055 0.0074 0.023 0.059 2011 3 8 55628 -5.794 238.951 -185.7512 0.052 -0.350 0.050 0.055 0.0015 0.016 0.039 2011 3 9 55629 -6.966 240.539 -186.7311 0.097 -0.372 0.050 0.054 0.0089 0.018 0.046 2011 3 10 55630 -7.835 242.318 -187.6379 0.137 -0.375 0.051 0.056 0.0105 0.024 0.060 2011 3 11 55631 -8.888 244.278 -188.4270 0.167 -0.364 0.051 0.055 0.0029 0.029 0.074 2011 3 12 55632 -10.354 246.228 -189.0391 0.110 -0.332 0.051 0.055 0.0065 0.033 0.083 2011 3 13 55633 -11.743 248.013 -189.6002 0.018 -0.284 0.049 0.053 0.0098 0.036 0.091 2011 3 14 55634 -13.518 249.697 -190.2503 -0.075 -0.229 0.046 0.049 0.0084 0.039 0.098 2011 3 15 55635 -15.263 250.616 -191.0339 -0.163 -0.169 0.046 0.048 0.0065 0.042 0.106 2011 3 16 55636 -16.825 251.699 -191.9998 -0.242 -0.110 0.047 0.050 0.0020 0.045 0.114 2011 3 17 55637 -18.335 253.085 -193.2148 -0.170 -0.158 0.047 0.050 0.0079 0.036 0.091 2011 3 18 55638 -19.564 254.446 -194.6489 -0.052 -0.242 0.046 0.047 0.0144 0.024 0.061 2011 3 19 55639 -20.657 256.011 -196.2126 -0.005 0.019 0.046 0.049 0.0150 0.032 0.080 2011 3 20 55640 -21.667 257.726 -197.8139 -0.005 0.019 0.174 0.133 0.0255 0.035 0.089 2011 3 21 55641 -22.715 259.755 -199.3405 -0.005 0.020 0.233 0.168 0.0233 0.035 0.089 2011 3 22 55642 -24.366 261.785 -200.6907 -0.005 0.019 0.215 0.119 0.0158 0.035 0.089 2011 3 23 55643 -25.665 263.416 -201.8398 -0.005 0.019 0.233 0.153 0.0131 0.035 0.089 2011 3 24 55644 -26.784 265.303 -202.7622 -0.005 0.019 0.197 0.131 0.0151 0.035 0.089 2011 3 25 55645 -27.171 266.994 -203.5300 -0.005 0.019 0.240 0.112 0.0208 0.035 0.089 2011 3 26 55646 -27.430 268.938 -204.4251 -0.005 0.019 0.312 0.119 0.0158 0.035 0.089 2011 3 27 55647 -28.355 270.771 -205.1549 -0.005 0.019 0.267 0.121 0.0365 0.035 0.089 2011 3 28 55648 -29.308 272.613 -206.2052 -0.005 0.020 0.240 0.134 0.0266 0.035 0.089 2011 3 29 55649 -30.244 274.298 -207.5346 -0.005 0.019 0.287 0.116 0.0085 0.035 0.089 2011 3 30 55650 -30.875 275.753 -208.8492 -0.005 0.019 0.309 0.147 0.0485 0.035 0.089 2011 3 31 55651 -31.635 277.497 -210.1580 -0.005 0.020 0.377 0.179 0.0485 0.035 0.089 2011 4 1 55652 -32.099 279.323 -211.5761 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 2 2 55594 -67.067 -7.038 0.050 0.044 2011 2 3 55595 -67.020 -6.765 0.059 0.055 2011 2 4 55596 -67.015 -6.525 0.068 0.066 2011 2 5 55597 -66.953 -6.483 0.068 0.066 2011 2 6 55598 -66.936 -6.612 0.064 0.063 2011 2 7 55599 -67.006 -6.763 0.060 0.059 2011 2 8 55600 -66.980 -6.882 0.056 0.055 2011 2 9 55601 -66.893 -7.010 0.072 0.068 2011 2 10 55602 -66.815 -7.244 0.093 0.085 2011 2 11 55603 -66.923 -7.569 0.113 0.102 2011 2 12 55604 -67.150 -7.826 0.116 0.103 2011 2 13 55605 -67.405 -7.878 0.113 0.099 2011 2 14 55606 -67.602 -7.826 0.118 0.093 2011 2 15 55607 -67.653 -7.978 0.115 0.089 2011 2 16 55608 -67.527 -8.307 0.106 0.085 2011 2 17 55609 -67.108 -8.510 0.094 0.081 2011 2 18 55610 -66.629 -8.299 0.082 0.078 2011 2 19 55611 -66.422 -7.843 0.074 0.070 2011 2 20 55612 -66.615 -7.517 0.067 0.061 2011 2 21 55613 -66.981 -7.501 0.061 0.052 2011 2 22 55614 -67.249 -7.692 0.054 0.043 2011 2 23 55615 -67.442 -7.862 0.061 0.049 2011 2 24 55616 -67.534 -8.040 0.072 0.058 2011 2 25 55617 -67.551 -8.265 0.084 0.068 2011 2 26 55618 -67.437 -8.531 0.085 0.068 2011 2 27 55619 -67.374 -8.703 0.082 0.064 2011 2 28 55620 -67.343 -8.766 0.079 0.060 2011 3 1 55621 -67.193 -8.798 0.076 0.056 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 2 2 55594 0.5634 0.0111 15.04106708059 0.00000000193 2011 2 3 55595 0.6849 0.0111 15.04106705944 0.00000000193 2011 2 4 55596 0.7776 0.0112 15.04106704330 0.00000000195 2011 2 5 55597 0.8028 0.0113 15.04106703891 0.00000000197 2011 2 6 55598 0.7722 0.0111 15.04106704424 0.00000000193 2011 2 7 55599 0.7317 0.0108 15.04106705129 0.00000000188 2011 2 8 55600 0.6625 0.0108 15.04106706334 0.00000000188 2011 2 9 55601 0.5861 0.0108 15.04106707664 0.00000000188 2011 2 10 55602 0.5111 0.0105 15.04106708969 0.00000000183 2011 2 11 55603 0.4237 0.0108 15.04106710491 0.00000000188 2011 2 12 55604 0.3796 0.0110 15.04106711259 0.00000000191 2011 2 13 55605 0.3640 0.0112 15.04106711530 0.00000000195 2011 2 14 55606 0.4154 0.0113 15.04106710635 0.00000000197 2011 2 15 55607 0.5835 0.0120 15.04106707709 0.00000000209 2011 2 16 55608 0.8697 0.0123 15.04106702727 0.00000000214 2011 2 17 55609 1.1603 0.0118 15.04106697668 0.00000000205 2011 2 18 55610 1.3986 0.0118 15.04106693519 0.00000000205 2011 2 19 55611 1.5997 0.0106 15.04106690018 0.00000000185 2011 2 20 55612 1.6572 0.0101 15.04106689017 0.00000000176 2011 2 21 55613 1.5235 0.0119 15.04106691345 0.00000000207 2011 2 22 55614 1.2936 0.0119 15.04106695347 0.00000000207 2011 2 23 55615 1.0082 0.0124 15.04106700316 0.00000000216 2011 2 24 55616 0.7089 0.0130 15.04106705526 0.00000000226 2011 2 25 55617 0.5425 0.0129 15.04106708423 0.00000000225 2011 2 26 55618 0.4506 0.0108 15.04106710023 0.00000000188 2011 2 27 55619 0.4294 0.0098 15.04106710392 0.00000000171 2011 2 28 55620 0.5180 0.0111 15.04106708849 0.00000000193 2011 3 1 55621 0.6838 0.0115 15.04106705963 0.00000000200 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [55594-55621] 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 1 184 154 5 - 116 136 5 55596.27 to 55617.27 393 132 10 - 176 194 BKG 8 R 2 85 79 2 - 52 60 8 55596.27 to 55617.27 77 147 7 - 40 57 GSFC 9 R 4 75 69 2 8 51 57 8 55596.27 to 55617.27 91 160 6 16 30 50 IAA 5 R 2 107 101 4 - 75 71 7 55596.27 to 55617.27 469 254 14 - 175 215 SPBU 3 R 3 150 123 3 - 101 120 5 55596.27 to 55614.21 372 377 7 - 141 559 USNO 10 R 1 104 85 3 - 222 102 7 55596.27 to 55617.27 150 182 3 - 58 82 MAO 3 R 1 75 78 3 - 56 54 7 55596.30 to 55617.27 164 141 9 - 110 136 IVS 2 R 1 * 57 48 1 - 17 49 7 55596.27 to 55617.27 117 191 2 - 6 10 VLBI Intensive BKG 3 R 2 * - - 11 - - - 29 55594.79 to 55620.79 - - 22 - - - GSFC 9 R 2 * - - 12 - - - 30 55594.79 to 55620.79 - - 23 - - - IAA 5 R 1 * - - 12 - - - 21 55594.79 to 55620.79 - - 25 - - - PUL 10 R 0 - - 11 - - - 30 55594.79 to 55620.79 - - 25 - - - USNO 5 R 1 * - - 12 - - - 30 55594.79 to 55620.79 - - 25 - - - GPS CODE 98 P 1 4 4 - 2 - - 27 55594.50 to 55620.50 22 25 - 11 - - JPL 96 P 3 9 10 - 5 - - 27 55594.50 to 55620.50 68 68 - 16 - - GFZ 96 P 2 5 6 - 1 - - 27 55594.50 to 55620.50 37 38 - 13 - - ESOC 96 P 1 13 10 - 1 - - 27 55594.50 to 55620.50 51 40 - 12 - - NOAA 96 P 1 3 3 - 31 - - 27 55594.50 to 55620.50 52 70 - 12 - - SIO 96 P 1 14 14 - 3 - - 27 55594.50 to 55620.50 28 35 - 13 - - EMR 96 P 3 33 34 - 6 - - 27 55594.50 to 55620.50 42 42 - 12 - - IAA 1 P 1 31 36 - 6 - - 27 55594.50 to 55620.50 138 139 - 24 - - IGR 96 P 2 * 31 19 - 5 - - 27 55594.50 to 55620.50 26 26 - 9 - - IGS 7 P 1 * 32 32 - 7 - - 27 55594.50 to 55620.50 18 22 - 10 - - SLR MCC 97 L 1 163 205 - 23 - - 28 55594.00 to 55621.00 173 132 - 101 - - IAA 2 L 1 40 49 - 2 - - 28 55594.00 to 55621.00 245 207 - 17 - - ASI 3 L 2 87 107 - 29 - - 27 55594.50 to 55620.50 232 341 - 99 - - PUL 10 L 0 38 44 - 2 - - 26 55594.64 to 55619.69 192 126 - 15 - - ILRS 5 L 1 * 65 70 - 23 - - 27 55594.50 to 55620.50 139 190 - 51 - - BULLETIN A NEOS 97 C 1 61 60 6 - - - 28 55594.00 to 55621.00 29 38 10 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html