BULLETIN B 288 1 February 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 0.018 0.020 0.0055 0.086 0.129 2011 12 2 55897 160.523 284.037 -387.7325 0.297 0.139 0.017 0.018 0.0013 0.027 0.036 2011 12 3 55898 160.126 283.224 -388.9094 0.332 0.148 0.017 0.020 0.0022 0.027 0.036 2011 12 4 55899 159.780 282.234 -390.0109 0.366 0.160 0.017 0.020 0.0031 0.026 0.034 2011 12 5 55900 159.498 281.546 -391.0159 0.392 0.172 0.019 0.020 0.0031 0.025 0.032 2011 12 6 55901 158.879 281.124 -391.9309 0.408 0.182 0.018 0.020 0.0014 0.024 0.030 2011 12 7 55902 157.695 280.548 -392.6990 0.365 0.165 0.018 0.020 0.0188 0.033 0.040 2011 12 8 55903 156.075 279.858 -393.3303 0.303 0.142 0.018 0.020 0.0042 0.043 0.051 2011 12 9 55904 154.586 279.027 -393.9013 0.239 0.121 0.018 0.020 0.0017 0.054 0.063 2011 12 10 55905 153.975 278.268 -394.4609 0.253 0.131 0.019 0.020 0.0024 0.066 0.086 2011 12 11 55906 152.946 277.793 -395.0130 0.297 0.154 0.019 0.020 0.0031 0.079 0.113 2011 12 12 55907 152.122 277.134 -395.5934 0.342 0.176 0.019 0.020 0.0031 0.092 0.140 2011 12 13 55908 151.257 276.507 -396.2759 0.387 0.197 0.019 0.020 0.0028 0.104 0.167 2011 12 14 55909 149.943 276.031 -397.1234 0.327 0.190 0.019 0.020 0.0200 0.092 0.146 2011 12 15 55910 148.412 275.427 -398.1620 0.242 0.172 0.019 0.020 0.0022 0.073 0.112 2011 12 16 55911 147.197 274.874 -399.3830 0.159 0.149 0.019 0.020 0.0013 0.053 0.079 2011 12 17 55912 145.681 274.731 -400.7753 0.187 0.128 0.019 0.020 0.0022 0.046 0.066 2011 12 18 55913 144.383 274.584 -402.2345 0.258 0.104 0.019 0.020 0.0031 0.043 0.060 2011 12 19 55914 142.680 274.384 -403.7276 0.332 0.076 0.019 0.020 0.0031 0.039 0.055 2011 12 20 55915 140.327 273.271 -405.1147 0.407 0.044 0.019 0.020 0.0017 0.036 0.049 2011 12 21 55916 138.124 271.971 -406.3581 0.334 0.025 0.019 0.020 0.0310 0.064 0.099 2011 12 22 55917 135.795 270.784 -407.3918 0.226 0.009 0.019 0.020 0.0029 0.100 0.164 2011 12 23 55918 134.133 269.652 -408.2160 0.231 -0.033 0.019 0.020 0.0026 0.118 0.191 2011 12 24 55919 132.693 268.659 -408.9480 0.282 -0.082 0.019 0.020 0.0022 0.128 0.203 2011 12 25 55920 131.411 267.980 -409.7440 0.340 -0.126 0.019 0.020 0.0022 0.140 0.215 2011 12 26 55921 129.575 267.432 -410.7022 0.402 -0.161 0.019 0.020 0.0022 0.151 0.227 2011 12 27 55922 127.687 266.757 -411.8681 0.465 -0.187 0.019 0.020 0.0022 0.162 0.239 2011 12 28 55923 126.148 266.352 -413.2189 0.526 -0.202 0.019 0.020 0.0038 0.173 0.252 2011 12 29 55924 124.444 265.677 -414.6747 0.537 -0.169 0.019 0.021 0.0238 0.176 0.268 2011 12 30 55925 122.715 264.897 -416.2016 0.527 -0.119 0.019 0.021 0.0034 0.179 0.283 2011 12 31 55926 120.760 264.166 -417.6734 0.525 -0.087 0.019 0.021 0.0065 0.160 0.257 2012 1 1 55927 118.700 263.209 -419.0307 0.520 -0.064 0.019 0.021 0.0070 0.134 0.215 Preliminary extension 2012 1 2 55928 117.478 262.407 -420.2660 0.506 -0.044 0.018 0.020 0.0043 0.107 0.169 2012 1 3 55929 115.947 261.649 -421.3914 0.487 -0.035 0.018 0.020 0.0046 0.080 0.127 2012 1 4 55930 114.540 260.618 -422.3894 0.463 -0.036 0.018 0.020 0.0024 0.054 0.086 2012 1 5 55931 113.267 260.201 -423.2747 0.424 -0.073 0.018 0.020 0.0139 0.074 0.119 2012 1 6 55932 111.432 259.931 -424.0546 0.381 -0.124 0.018 0.020 0.0031 0.106 0.171 2012 1 7 55933 108.888 259.665 -424.7816 0.358 -0.148 0.018 0.020 0.0036 0.106 0.167 2012 1 8 55934 106.423 258.873 -425.5338 0.342 -0.159 0.018 0.020 0.0056 0.094 0.141 2012 1 9 55935 104.240 258.049 -426.3671 0.324 -0.165 0.018 0.020 0.0056 0.082 0.116 2012 1 10 55936 101.771 257.244 -427.2869 0.303 -0.164 0.018 0.020 0.0024 0.070 0.091 2012 1 11 55937 99.791 256.002 -428.3510 0.307 -0.203 0.018 0.020 0.0148 0.080 0.107 2012 1 12 55938 98.367 255.057 -429.5937 0.312 -0.245 0.018 0.020 0.0040 0.095 0.133 2012 1 13 55939 97.337 254.480 -431.0037 0.312 -0.275 0.018 0.020 0.0028 0.110 0.160 2012 1 14 55940 96.126 254.329 -432.5193 0.299 -0.264 0.018 0.020 0.0058 0.107 0.156 2012 1 15 55941 94.909 254.362 -434.0228 0.284 -0.238 0.333 0.158 0.0078 0.097 0.141 2012 1 16 55942 93.600 254.518 -435.4245 0.276 -0.214 0.523 0.279 0.0057 0.088 0.126 2012 1 17 55943 91.760 254.930 -436.6652 0.277 -0.197 0.365 0.419 0.0033 0.078 0.110 2012 1 18 55944 89.613 254.803 -437.7217 0.288 -0.186 0.332 0.468 0.0021 0.069 0.095 2012 1 19 55945 87.418 254.487 -438.5832 0.003 0.003 0.407 0.485 0.0219 0.073 0.081 2012 1 20 55946 85.441 254.166 -439.3079 0.002 0.002 0.556 0.690 0.0083 0.075 0.079 2012 1 21 55947 83.296 254.636 -440.0126 0.002 0.002 0.548 0.559 0.0063 0.075 0.079 2012 1 22 55948 80.693 254.985 -440.7804 0.003 0.003 0.415 0.452 0.0042 0.075 0.079 2012 1 23 55949 78.631 255.064 -441.6780 0.002 0.003 0.432 0.501 0.0072 0.075 0.079 2012 1 24 55950 76.583 255.640 -442.7122 0.002 0.002 0.457 0.378 0.0100 0.075 0.079 2012 1 25 55951 74.231 255.833 -443.8449 0.002 0.002 0.436 0.303 0.0076 0.075 0.079 2012 1 26 55952 71.923 256.078 -444.9624 0.002 0.002 0.456 0.344 0.0103 0.075 0.079 2012 1 27 55953 69.371 256.174 -446.0121 0.002 0.002 0.476 0.452 0.0188 0.075 0.079 2012 1 28 55954 66.836 256.274 -447.0643 0.002 0.002 0.417 0.422 0.0296 0.075 0.079 2012 1 29 55955 64.213 256.196 -447.9882 0.002 0.002 0.327 0.304 0.0416 0.075 0.079 2012 1 30 55956 62.347 256.180 -448.7775 0.002 0.002 0.271 0.227 0.0889 0.075 0.079 2012 1 31 55957 61.240 256.469 -449.5318 0.002 0.002 0.224 0.179 0.0516 0.075 0.079 2012 2 1 55958 60.241 256.783 -450.0988 0.002 0.003 999.000 999.000 999.0000 999.000 999.000 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 12 2 55897 -71.444 -8.170 0.067 0.036 2011 12 3 55898 -71.473 -8.104 0.067 0.036 2011 12 4 55899 -71.393 -8.028 0.065 0.034 2011 12 5 55900 -71.313 -7.920 0.063 0.032 2011 12 6 55901 -71.320 -7.785 0.060 0.030 2011 12 7 55902 -71.503 -7.705 0.082 0.040 2011 12 8 55903 -71.704 -7.693 0.109 0.051 2011 12 9 55904 -71.906 -7.706 0.136 0.063 2011 12 10 55905 -71.922 -7.661 0.167 0.086 2011 12 11 55906 -71.772 -7.594 0.199 0.113 2011 12 12 55907 -71.430 -7.587 0.231 0.140 2011 12 13 55908 -70.961 -7.667 0.262 0.167 2011 12 14 55909 -70.818 -7.797 0.231 0.146 2011 12 15 55910 -70.912 -7.861 0.183 0.112 2011 12 16 55911 -71.112 -7.808 0.134 0.079 2011 12 17 55912 -71.055 -7.644 0.115 0.066 2011 12 18 55913 -70.915 -7.406 0.107 0.060 2011 12 19 55914 -70.865 -7.134 0.098 0.055 2011 12 20 55915 -70.904 -6.929 0.090 0.049 2011 12 21 55916 -71.282 -6.921 0.160 0.099 2011 12 22 55917 -71.568 -7.163 0.251 0.164 2011 12 23 55918 -71.384 -7.514 0.296 0.191 2011 12 24 55919 -71.031 -7.695 0.323 0.203 2011 12 25 55920 -70.694 -7.603 0.351 0.215 2011 12 26 55921 -70.318 -7.382 0.379 0.227 2011 12 27 55922 -69.871 -7.242 0.406 0.239 2011 12 28 55923 -69.489 -7.271 0.434 0.252 2011 12 29 55924 -69.464 -7.375 0.443 0.268 2011 12 30 55925 -69.709 -7.475 0.449 0.283 2011 12 31 55926 -69.977 -7.523 0.403 0.257 2012 1 1 55927 -70.168 -7.486 0.337 0.215 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 12 2 55897 1.1892 0.0050 15.04106697165 0.00000000087 2011 12 3 55898 1.1487 0.0049 15.04106697870 0.00000000085 2011 12 4 55899 1.0352 0.0051 15.04106699846 0.00000000089 2011 12 5 55900 0.9634 0.0054 15.04106701096 0.00000000094 2011 12 6 55901 0.8532 0.0052 15.04106703014 0.00000000091 2011 12 7 55902 0.6886 0.0050 15.04106705879 0.00000000087 2011 12 8 55903 0.5762 0.0049 15.04106707836 0.00000000085 2011 12 9 55904 0.5734 0.0051 15.04106707885 0.00000000089 2011 12 10 55905 0.5679 0.0053 15.04106707981 0.00000000092 2011 12 11 55906 0.5617 0.0053 15.04106708089 0.00000000092 2011 12 12 55907 0.6209 0.0053 15.04106707058 0.00000000092 2011 12 13 55908 0.7756 0.0054 15.04106704365 0.00000000094 2011 12 14 55909 0.9411 0.0054 15.04106701484 0.00000000094 2011 12 15 55910 1.1186 0.0054 15.04106698394 0.00000000094 2011 12 16 55911 1.3247 0.0054 15.04106694806 0.00000000094 2011 12 17 55912 1.4372 0.0053 15.04106692847 0.00000000092 2011 12 18 55913 1.4914 0.0055 15.04106691904 0.00000000096 2011 12 19 55914 1.4690 0.0058 15.04106692294 0.00000000101 2011 12 20 55915 1.3238 0.0057 15.04106694821 0.00000000099 2011 12 21 55916 1.1456 0.0057 15.04106697924 0.00000000099 2011 12 22 55917 0.9061 0.0058 15.04106702093 0.00000000101 2011 12 23 55918 0.7472 0.0058 15.04106704859 0.00000000101 2011 12 24 55919 0.7486 0.0057 15.04106704835 0.00000000099 2011 12 25 55920 0.8731 0.0055 15.04106702668 0.00000000096 2011 12 26 55921 1.0590 0.0052 15.04106699431 0.00000000091 2011 12 27 55922 1.2761 0.0050 15.04106695652 0.00000000087 2011 12 28 55923 1.4129 0.0050 15.04106693270 0.00000000087 2011 12 29 55924 1.4905 0.0052 15.04106691919 0.00000000091 2011 12 30 55925 1.5042 0.0052 15.04106691681 0.00000000091 2011 12 31 55926 1.4123 0.0053 15.04106693281 0.00000000092 2012 1 1 55927 1.2643 0.0055 15.04106695857 0.00000000096 4 - INFORMATION ON TIME SCALES TAI - UTC = 34 s. No leap second introduced during period [55897-55927] 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 1 143 124 5 - 108 117 7 55897.27 to 55925.27 352 370 9 - 283 159 BKG 8 R 2 92 94 3 - 57 63 9 55897.27 to 55925.27 168 72 5 - 54 37 GSFC 9 R 4 71 70 3 8 50 53 9 55897.27 to 55925.27 149 135 3 10 44 23 IAA 5 R 2 60 62 2 - 44 44 9 55897.27 to 55925.27 193 132 6 - 57 43 IAA 5 R 2 60 62 2 - 44 44 9 55897.27 to 55925.27 193 132 6 - 57 43 USNO 10 R 1 72 68 2 - 56 59 9 55897.27 to 55925.27 168 105 3 - 41 48 MAO 3 R 1 74 74 3 - 49 50 9 55897.29 to 55925.31 59 114 8 - 33 75 IVS 2 R 1 * 65 68 3 - 26 81 9 55897.27 to 55925.27 158 70 3 - 17 4 VLBI Intensive BKG 3 R 2 * - - 15 - - - 22 55897.80 to 55926.27 - - 26 - - - GSFC 9 R 2 * - - 17 - - - 28 55897.80 to 55926.33 - - 21 - - - IAA 5 R 1 * - - 15 - - - 20 55898.27 to 55926.27 - - 14 - - - PUL 10 R 0 - - 20 - - - 25 55897.80 to 55926.27 - - 24 - - - USNO 5 R 1 * - - 17 - - - 25 55897.80 to 55926.27 - - 25 - - - GPS CODE 98 P 1 5 5 - 1 - - 30 55897.50 to 55926.50 29 26 - 6 - - JPL 96 P 3 9 9 - 4 - - 30 55897.50 to 55926.50 51 31 - 13 - - GFZ 96 P 2 5 5 - 1 - - 30 55897.50 to 55926.50 39 28 - 6 - - ESOC 96 P 1 16 14 - 1 - - 30 55897.50 to 55926.50 36 39 - 6 - - NOAA 96 P 1 2 3 - 32 - - 30 55897.50 to 55926.50 46 47 - 9 - - SIO 96 P 1 16 17 - 4 - - 30 55897.50 to 55926.50 47 25 - 9 - - EMR 96 P 3 32 33 - 5 - - 30 55897.50 to 55926.50 40 37 - 13 - - IAA 1 P 1 27 37 - 6 - - 30 55897.50 to 55926.50 135 159 - 27 - - IGR 96 P 2 * 18 19 - 4 - - 30 55897.50 to 55926.50 44 26 - 6 - - IGS 7 P 1 * 4 5 - 1 - - 30 55897.50 to 55926.50 31 20 - 5 - - SLR MCC 97 L 1 191 239 - 33 - - 26 55897.00 to 55927.00 192 174 - 85 - - IAA 2 L 1 54 54 - 3 - - 31 55897.00 to 55927.00 196 235 - 28 - - CGS 3 L 2 83 91 - 21 - - 30 55897.50 to 55926.50 216 208 - 31 - - PUL 10 L 0 46 50 - 3 - - 29 55897.97 to 55926.76 103 223 - 20 - - ILRS 5 L 1 * 70 71 - 13 - - 30 55897.50 to 55926.50 161 166 - 36 - - BULLETIN A NEOS 97 C 1 24 24 7 - - - 31 55897.00 to 55927.00 41 25 7 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html