BULLETIN B 290 3 April 2012 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 0.021 0.024 0.0103 0.056 0.077 2012 2 2 55959 54.725 255.253 -450.4155 0.416 -0.138 0.019 0.020 0.0040 0.035 0.045 2012 2 3 55960 52.998 254.824 -450.8189 0.416 -0.134 0.019 0.018 0.0018 0.034 0.044 2012 2 4 55961 51.408 254.365 -451.2567 0.404 -0.161 0.019 0.018 0.0196 0.038 0.041 2012 2 5 55962 49.333 254.085 -451.7747 0.378 -0.204 0.019 0.020 0.0080 0.043 0.037 2012 2 6 55963 47.368 254.001 -452.4402 0.308 -0.278 0.022 0.023 0.0070 0.030 0.040 2012 2 7 55964 45.706 254.220 -453.3091 0.258 -0.330 0.022 0.023 0.0023 0.028 0.038 2012 2 8 55965 44.328 254.546 -454.4131 0.299 -0.339 0.021 0.022 0.0350 0.034 0.046 2012 2 9 55966 43.192 255.056 -455.7227 0.362 -0.331 0.021 0.022 0.0087 0.042 0.056 2012 2 10 55967 42.172 255.797 -457.1640 0.422 -0.316 0.021 0.022 0.0028 0.050 0.067 2012 2 11 55968 41.276 256.690 -458.6395 0.361 -0.304 0.021 0.022 0.0103 0.049 0.067 2012 2 12 55969 40.311 257.438 -460.0560 0.255 -0.290 0.021 0.022 0.0090 0.046 0.063 2012 2 13 55970 38.861 258.102 -461.3256 0.149 -0.272 0.022 0.025 0.0081 0.043 0.061 2012 2 14 55971 37.082 258.631 -462.3763 0.050 -0.258 0.022 0.025 0.0030 0.041 0.057 2012 2 15 55972 35.700 259.565 -463.1795 0.089 -0.259 0.021 0.024 0.0638 0.040 0.057 2012 2 16 55973 34.328 260.928 -463.7969 0.168 -0.266 0.021 0.024 0.0067 0.040 0.057 2012 2 17 55974 33.052 261.952 -464.3422 0.251 -0.278 0.021 0.024 0.0019 0.040 0.057 2012 2 18 55975 31.627 263.077 -464.9159 0.243 -0.280 0.021 0.024 0.0033 0.052 0.074 2012 2 19 55976 30.595 263.990 -465.5836 0.201 -0.280 0.021 0.024 0.0052 0.068 0.096 2012 2 20 55977 29.688 265.055 -466.3655 0.148 -0.275 0.023 0.028 0.0060 0.085 0.120 2012 2 21 55978 28.345 265.672 -467.2390 0.106 -0.277 0.023 0.028 0.0052 0.101 0.142 2012 2 22 55979 26.675 266.316 -468.1516 0.069 -0.276 0.022 0.027 0.0027 0.116 0.160 2012 2 23 55980 24.689 267.060 -469.0540 0.138 -0.287 0.022 0.027 0.0198 0.091 0.126 2012 2 24 55981 22.814 267.829 -469.8906 0.232 -0.299 0.022 0.027 0.0016 0.055 0.076 2012 2 25 55982 21.568 268.920 -470.6253 0.242 -0.344 0.022 0.027 0.0028 0.049 0.068 2012 2 26 55983 20.597 270.273 -471.2585 0.213 -0.396 0.022 0.027 0.0063 0.055 0.076 2012 2 27 55984 20.119 271.192 -471.8084 0.167 -0.441 0.027 0.030 0.0069 0.061 0.083 2012 2 28 55985 19.720 271.968 -472.2734 0.125 -0.477 0.027 0.030 0.0024 0.067 0.091 2012 2 29 55986 19.069 273.018 -472.6379 0.115 -0.438 0.026 0.030 0.0356 0.085 0.127 2012 3 1 55987 18.798 274.244 -472.9194 0.113 -0.373 0.023 0.025 0.0086 0.113 0.171 Preliminary extension 2012 3 2 55988 18.937 275.646 -473.1884 0.111 -0.303 0.023 0.025 0.0040 0.141 0.216 2012 3 3 55989 18.563 277.173 -473.5285 0.089 -0.259 0.023 0.025 0.0039 0.136 0.192 2012 3 4 55990 17.782 278.172 -473.9946 0.063 -0.232 0.023 0.025 0.0043 0.120 0.144 2012 3 5 55991 17.387 279.057 -474.6191 0.063 -0.317 0.021 0.024 0.0040 0.114 0.146 2012 3 6 55992 16.938 279.996 -475.4440 0.053 -0.354 0.021 0.024 0.0023 0.103 0.126 2012 3 7 55993 15.711 280.782 -476.4776 0.055 -0.364 0.021 0.024 0.0252 0.088 0.106 2012 3 8 55994 14.416 281.461 -477.6973 0.063 -0.374 0.021 0.024 0.0109 0.072 0.087 2012 3 9 55995 13.217 282.528 -479.0665 0.075 -0.387 0.021 0.024 0.0027 0.056 0.068 2012 3 10 55996 12.114 283.778 -480.5270 0.087 -0.402 0.021 0.024 0.0048 0.054 0.065 2012 3 11 55997 11.079 285.002 -481.9953 0.097 -0.406 0.021 0.024 0.0064 0.056 0.069 2012 3 12 55998 9.707 286.325 -483.3721 0.105 -0.393 0.021 0.024 0.0079 0.059 0.073 2012 3 13 55999 8.702 287.416 -484.6154 0.111 -0.356 0.021 0.024 0.0079 0.062 0.077 2012 3 14 56000 7.795 288.846 -485.7657 0.114 -0.296 0.021 0.024 0.0023 0.065 0.081 2012 3 15 56001 6.387 290.093 -486.8837 0.123 -0.266 0.021 0.024 0.0236 0.051 0.067 2012 3 16 56002 4.972 291.300 -488.0520 0.132 -0.238 0.021 0.024 0.0022 0.032 0.048 2012 3 17 56003 3.394 292.458 -489.3544 0.000 0.000 0.021 0.024 0.0059 0.056 0.067 2012 3 18 56004 1.692 293.815 -490.8020 0.000 0.000 0.241 0.184 0.0097 0.066 0.076 2012 3 19 56005 -0.054 295.085 -492.3455 0.000 0.000 0.538 0.333 0.0088 0.066 0.076 2012 3 20 56006 -1.469 296.035 -493.9276 0.000 0.000 0.442 0.323 0.0096 0.066 0.076 2012 3 21 56007 -2.611 296.973 -495.4881 0.000 0.000 0.308 0.383 0.0091 0.066 0.076 2012 3 22 56008 -3.622 298.226 -496.9867 0.000 0.000 0.423 0.373 0.0137 0.066 0.076 2012 3 23 56009 -4.436 299.599 -498.4049 0.000 0.000 0.346 0.353 0.0171 0.066 0.076 2012 3 24 56010 -4.625 300.932 -499.7477 0.000 0.000 0.192 0.393 0.0089 0.066 0.076 2012 3 25 56011 -5.009 302.625 -501.0078 0.000 0.000 0.240 0.313 0.0063 0.066 0.076 2012 3 26 56012 -5.755 304.037 -502.1569 0.000 0.000 0.250 0.252 0.0090 0.066 0.076 2012 3 27 56013 -6.636 305.084 -503.2237 0.000 0.000 0.384 0.252 0.0086 0.066 0.076 2012 3 28 56014 -7.581 305.847 -504.2438 0.000 0.000 0.520 0.278 0.0053 0.066 0.076 2012 3 29 56015 -8.083 307.026 -505.2299 0.000 0.000 0.448 0.289 0.0077 0.066 0.076 2012 3 30 56016 -8.814 308.790 -506.2531 0.000 0.000 0.425 0.253 0.0077 0.066 0.076 2012 3 31 56017 -9.450 310.631 -507.3779 0.000 0.000 0.574 0.313 0.0027 0.066 0.076 2012 4 1 56018 -10.338 312.829 -508.5859 0.000 0.000 0.505 0.374 0.0143 0.066 0.076 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 2012 2 2 55959 -70.618 -8.208 0.088 0.045 2012 2 3 55960 -70.535 -8.318 0.085 0.044 2012 2 4 55961 -70.586 -8.381 0.095 0.041 2012 2 5 55962 -70.709 -8.487 0.109 0.037 2012 2 6 55963 -70.832 -8.724 0.075 0.040 2012 2 7 55964 -70.689 -8.950 0.071 0.038 2012 2 8 55965 -70.179 -8.960 0.085 0.046 2012 2 9 55966 -69.728 -8.708 0.105 0.056 2012 2 10 55967 -69.623 -8.355 0.125 0.067 2012 2 11 55968 -70.131 -8.143 0.124 0.067 2012 2 12 55969 -70.807 -8.168 0.116 0.063 2012 2 13 55970 -71.300 -8.335 0.109 0.061 2012 2 14 55971 -71.577 -8.509 0.103 0.057 2012 2 15 55972 -71.479 -8.660 0.101 0.057 2012 2 16 55973 -71.388 -8.834 0.100 0.057 2012 2 17 55974 -71.338 -9.063 0.100 0.057 2012 2 18 55975 -71.389 -9.269 0.130 0.074 2012 2 19 55976 -71.323 -9.340 0.172 0.096 2012 2 20 55977 -71.203 -9.216 0.213 0.120 2012 2 21 55978 -71.159 -8.985 0.254 0.142 2012 2 22 55979 -71.247 -8.806 0.291 0.160 2012 2 23 55980 -71.124 -8.826 0.229 0.126 2012 2 24 55981 -70.922 -9.030 0.138 0.076 2012 2 25 55982 -70.943 -9.327 0.123 0.068 2012 2 26 55983 -71.081 -9.570 0.139 0.076 2012 2 27 55984 -71.209 -9.738 0.154 0.083 2012 2 28 55985 -71.207 -9.928 0.169 0.091 2012 2 29 55986 -71.063 -10.135 0.213 0.127 2012 3 1 55987 -70.954 -10.328 0.284 0.171 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 2012 2 2 55959 0.3937 0.0015 15.04106711013 0.00000000026 2012 2 3 55960 0.4269 0.0015 15.04106710435 0.00000000026 2012 2 4 55961 0.4943 0.0015 15.04106709262 0.00000000026 2012 2 5 55962 0.5607 0.0015 15.04106708106 0.00000000026 2012 2 6 55963 0.7546 0.0017 15.04106704730 0.00000000030 2012 2 7 55964 0.9995 0.0017 15.04106700467 0.00000000030 2012 2 8 55965 1.2229 0.0016 15.04106696578 0.00000000028 2012 2 9 55966 1.3892 0.0016 15.04106693683 0.00000000028 2012 2 10 55967 1.4757 0.0016 15.04106692177 0.00000000028 2012 2 11 55968 1.4643 0.0016 15.04106692376 0.00000000028 2012 2 12 55969 1.3481 0.0014 15.04106694398 0.00000000024 2012 2 13 55970 1.1742 0.0012 15.04106697426 0.00000000021 2012 2 14 55971 0.9157 0.0012 15.04106701926 0.00000000021 2012 2 15 55972 0.6923 0.0012 15.04106705815 0.00000000021 2012 2 16 55973 0.5548 0.0012 15.04106708209 0.00000000021 2012 2 17 55974 0.5356 0.0012 15.04106708543 0.00000000021 2012 2 18 55975 0.6173 0.0012 15.04106707121 0.00000000021 2012 2 19 55976 0.7289 0.0014 15.04106705178 0.00000000024 2012 2 20 55977 0.8446 0.0018 15.04106703164 0.00000000031 2012 2 21 55978 0.8971 0.0018 15.04106702250 0.00000000031 2012 2 22 55979 0.9304 0.0018 15.04106701670 0.00000000031 2012 2 23 55980 0.8475 0.0018 15.04106703113 0.00000000031 2012 2 24 55981 0.7513 0.0018 15.04106704788 0.00000000031 2012 2 25 55982 0.6815 0.0018 15.04106706003 0.00000000031 2012 2 26 55983 0.5631 0.0018 15.04106708064 0.00000000031 2012 2 27 55984 0.5016 0.0019 15.04106709135 0.00000000033 2012 2 28 55985 0.4154 0.0019 15.04106710635 0.00000000033 2012 2 29 55986 0.3138 0.0019 15.04106712404 0.00000000033 2012 3 1 55987 0.2463 0.0022 15.04106713579 0.00000000038 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [55959-55987] Next leap second will be introduced on 1 July 2012 All information concerning time scales : - leap seconds announcements : Bulletin C - DUT1 announcements (UT1-UTC with 0.1 s 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 1 151 137 6 - 112 110 7 55960.27 to 55985.21 406 230 7 - 242 223 BKG 8 R 2 93 88 3 - 58 54 8 55960.27 to 55985.21 196 192 3 - 25 20 GSFC 9 R 4 74 66 3 8 54 52 8 55960.27 to 55985.21 230 159 5 10 40 7 IAA 5 R 2 82 79 3 - 60 59 8 55960.27 to 55985.21 105 87 8 - 59 40 IAA 5 R 2 82 79 3 - 60 59 8 55960.27 to 55985.21 105 87 8 - 59 40 USNO 10 R 1 79 70 3 - 59 56 8 55960.27 to 55985.21 149 65 7 - 19 41 MAO 3 R 1 134 109 4 - 50 51 8 55960.32 to 55985.22 341 186 8 - 114 45 IVS 2 R 1 * 51 42 2 - 14 39 8 55960.27 to 55985.21 220 99 1 - 16 8 VLBI Intensive BKG 3 R 2 * - - 11 - - - 26 55960.80 to 55986.79 - - 19 - - - GSFC 9 R 2 * - - 13 - - - 26 55960.80 to 55986.79 - - 24 - - - IAA 5 R 1 * - - 106 - - - 14 55960.80 to 55986.79 - - 14 - - - PUL 10 R 0 - - 17 - - - 10 55960.80 to 55977.31 - - 13 - - - USNO 5 R 1 * - - 21 - - - 21 55960.80 to 55986.79 - - 23 - - - GPS CODE 98 P 1 5 5 - 2 - - 28 55959.50 to 55986.50 19 13 - 9 - - JPL 96 P 3 9 11 - 5 - - 28 55959.50 to 55986.50 27 32 - 12 - - GFZ 96 P 2 5 6 - 1 - - 28 55959.50 to 55986.50 27 30 - 10 - - ESOC 96 P 1 15 13 - 1 - - 28 55959.50 to 55986.50 68 31 - 10 - - NOAA 96 P 1 2 3 - 0 - - 28 55959.50 to 55986.50 44 33 - 7 - - SIO 96 P 1 17 18 - 4 - - 28 55959.50 to 55986.50 31 25 - 16 - - EMR 96 P 3 34 35 - 6 - - 28 55959.50 to 55986.50 34 44 - 16 - - IAA 1 P 1 28 37 - 6 - - 28 55959.50 to 55986.50 96 164 - 30 - - IGR 96 P 2 * 29 29 - 4 - - 28 55959.50 to 55986.50 28 25 - 8 - - IGS 7 P 1 * 5 4 - 0 - - 28 55959.50 to 55986.50 19 18 - 7 - - SLR MCC 97 L 1 172 185 - 22 - - 25 55959.00 to 55987.00 110 145 - 103 - - IAA 2 L 1 40 41 - 2 - - 29 55959.00 to 55987.00 134 158 - 18 - - CGS 3 L 2 72 76 - 16 - - 28 55959.50 to 55986.50 176 195 - 44 - - PUL 10 L 0 41 42 - 2 - - 28 55959.54 to 55986.36 139 82 - 17 - - ILRS 5 L 1 * 66 62 - 10 - - 28 55959.50 to 55986.50 195 133 - 31 - - BULLETIN A NEOS 97 C 1 26 23 7 - - - 29 55959.00 to 55987.00 18 24 18 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html