BULLETIN B 360 2 February 2018 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 March 1 2017 - consistent with ITRF 2014. 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 0.093 0.077 0.0361 0.087 0.245 2017 12 2 58089 121.669 236.396 246.9833 0.000 0.000 0.081 0.045 0.0246 0.131 0.132 2017 12 3 58090 119.232 235.541 245.5774 0.239 -0.014 0.169 0.190 0.0286 0.169 0.182 2017 12 4 58091 116.892 234.876 244.2665 0.236 -0.017 0.247 0.274 0.0375 0.170 0.185 2017 12 5 58092 114.703 233.893 243.0522 0.234 -0.021 0.179 0.182 0.0491 0.172 0.188 2017 12 6 58093 112.573 233.274 241.8888 0.232 -0.025 0.104 0.136 0.0474 0.174 0.191 2017 12 7 58094 109.471 233.507 240.6608 0.230 -0.028 0.096 0.123 0.0328 0.175 0.194 2017 12 8 58095 106.820 233.390 239.3925 0.228 -0.032 0.110 0.139 0.0276 0.177 0.197 2017 12 9 58096 104.779 233.975 238.0604 0.226 -0.035 0.126 0.180 0.0260 0.179 0.200 2017 12 10 58097 102.552 234.646 236.6222 0.223 -0.039 0.103 0.126 0.0294 0.181 0.202 2017 12 11 58098 100.164 235.436 235.1552 0.221 -0.043 0.077 0.046 0.0311 0.182 0.205 2017 12 12 58099 97.687 236.146 233.7284 0.219 -0.046 0.074 0.045 0.0361 0.184 0.208 2017 12 13 58100 95.346 236.563 232.3747 0.217 -0.050 0.068 0.044 0.0429 0.186 0.211 2017 12 14 58101 92.869 237.048 231.1710 0.215 -0.054 0.071 0.044 0.0353 0.188 0.214 2017 12 15 58102 90.256 237.578 230.1432 0.212 -0.057 0.073 0.045 0.0273 0.189 0.217 2017 12 16 58103 87.663 238.079 229.2827 0.210 -0.061 0.076 0.045 0.0167 0.191 0.220 2017 12 17 58104 84.775 238.599 228.5215 0.208 -0.064 0.079 0.046 0.0234 0.193 0.223 2017 12 18 58105 81.905 239.044 227.9364 0.243 -0.055 0.079 0.046 0.0408 0.191 0.222 2017 12 19 58106 78.820 239.525 227.4259 0.210 -0.069 0.077 0.046 0.0582 0.196 0.228 2017 12 20 58107 75.952 239.470 226.9085 0.194 -0.068 0.075 0.045 0.0584 0.208 0.240 2017 12 21 58108 73.645 238.795 226.3747 0.182 -0.062 0.074 0.045 0.0513 0.223 0.255 2017 12 22 58109 71.910 238.294 225.8183 0.170 -0.057 0.072 0.045 0.0338 0.237 0.269 2017 12 23 58110 70.537 238.466 225.2327 0.158 -0.051 0.075 0.045 0.0266 0.251 0.284 2017 12 24 58111 69.324 239.063 224.5255 0.146 -0.046 0.077 0.046 0.0345 0.266 0.298 2017 12 25 58112 68.293 239.812 223.6823 0.134 -0.040 0.078 0.046 0.0375 0.280 0.313 2017 12 26 58113 67.662 240.690 222.7049 0.123 -0.035 0.081 0.046 0.0406 0.295 0.327 2017 12 27 58114 67.310 241.623 221.6127 0.111 -0.029 0.082 0.046 0.0370 0.309 0.342 2017 12 28 58115 66.652 243.127 220.4532 0.099 -0.024 0.079 0.046 0.0215 0.324 0.356 2017 12 29 58116 64.876 244.385 219.3085 0.087 -0.018 0.078 0.046 0.0558 0.338 0.371 2017 12 30 58117 63.067 245.459 218.2182 0.087 -0.020 0.079 0.046 0.0455 0.316 0.347 2017 12 31 58118 61.215 246.572 217.2253 0.090 -0.023 0.086 0.052 0.0307 0.280 0.309 2018 1 1 58119 59.221 247.659 216.3700 0.094 -0.027 0.084 0.051 0.0323 0.245 0.271 Preliminary extension 2018 1 2 58120 57.406 248.556 215.6100 0.098 -0.031 0.076 0.046 0.0392 0.209 0.233 2018 1 3 58121 55.665 249.561 214.8668 0.102 -0.034 0.076 0.045 0.0460 0.173 0.195 2018 1 4 58122 54.389 250.397 214.0584 0.205 -0.069 0.077 0.045 0.0371 0.151 0.173 2018 1 5 58123 53.497 251.580 213.1832 0.336 -0.111 0.075 0.045 0.0240 0.132 0.155 2018 1 6 58124 52.586 252.927 212.2943 0.000 0.000 0.076 0.045 0.0231 0.128 0.136 2018 1 7 58125 50.974 254.237 211.4293 0.000 0.000 0.080 0.046 0.0267 0.129 0.131 2018 1 8 58126 49.216 254.990 210.6164 0.000 0.000 0.080 0.046 0.0164 0.129 0.131 2018 1 9 58127 47.992 255.821 209.9094 0.000 0.000 0.080 0.046 0.0126 0.129 0.131 2018 1 10 58128 46.669 257.117 209.3464 0.000 0.000 0.076 0.045 0.0245 0.129 0.131 2018 1 11 58129 45.029 258.592 208.9314 0.000 0.000 0.077 0.046 0.0524 0.129 0.131 2018 1 12 58130 43.286 259.838 208.5308 0.000 0.000 0.081 0.046 0.0419 0.129 0.131 2018 1 13 58131 41.392 260.640 208.2903 0.000 0.000 0.080 0.046 0.0160 0.129 0.131 2018 1 14 58132 39.878 260.775 208.1818 0.000 0.000 0.038 0.042 0.0195 0.164 0.166 2018 1 15 58133 38.646 261.202 208.1031 0.000 0.000 0.043 0.041 0.0135 0.164 0.166 2018 1 16 58134 37.854 261.900 208.0599 0.000 0.000 0.043 0.030 0.0146 0.164 0.166 2018 1 17 58135 37.140 263.247 207.9993 0.000 0.000 0.041 0.031 0.0199 0.164 0.166 2018 1 18 58136 36.152 264.995 207.8460 0.000 0.000 0.040 0.034 0.0237 0.164 0.166 2018 1 19 58137 34.725 266.846 207.6157 0.000 0.000 0.039 0.027 0.0258 0.164 0.166 2018 1 20 58138 32.747 268.623 207.3126 0.000 0.000 0.054 0.032 0.0217 0.164 0.166 2018 1 21 58139 30.594 270.355 206.8186 0.000 0.000 0.047 0.034 0.0281 0.164 0.166 2018 1 22 58140 28.722 272.069 206.1430 0.000 0.000 0.048 0.036 0.0184 0.164 0.166 2018 1 23 58141 27.370 273.771 205.3191 0.000 0.000 0.057 0.044 0.0178 0.164 0.166 2018 1 24 58142 26.121 275.529 204.4017 0.000 0.000 0.059 0.045 0.0314 0.164 0.166 2018 1 25 58143 24.268 277.383 203.4640 0.000 0.000 0.060 0.048 0.0256 0.164 0.166 2018 1 26 58144 22.500 279.056 202.4549 0.000 0.000 0.046 0.036 0.0188 0.164 0.166 2018 1 27 58145 20.867 280.640 201.4811 0.000 0.000 0.062 0.018 0.0285 0.164 0.166 2018 1 28 58146 19.381 281.781 200.5938 0.000 0.000 0.064 0.016 0.0231 0.164 0.166 2018 1 29 58147 18.260 282.891 199.6991 0.000 0.000 0.062 0.040 0.0140 0.164 0.166 2018 1 30 58148 17.655 284.439 198.7537 0.000 0.000 0.067 0.056 0.0122 0.164 0.166 2018 1 31 58149 16.731 286.234 197.6906 0.000 0.000 0.053 0.052 0.0278 0.164 0.166 2018 2 1 58150 15.436 288.191 196.4725 0.000 0.000 0.048 0.055 0.2024 0.164 0.166 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 2017 12 2 58089 -105.014 -8.516 0.329 0.132 2017 12 3 58090 -104.517 -8.650 0.425 0.182 2017 12 4 58091 -104.655 -8.868 0.427 0.185 2017 12 5 58092 -104.633 -8.884 0.432 0.188 2017 12 6 58093 -104.447 -8.654 0.437 0.191 2017 12 7 58094 -104.197 -8.427 0.440 0.194 2017 12 8 58095 -103.978 -8.393 0.445 0.197 2017 12 9 58096 -103.870 -8.467 0.450 0.200 2017 12 10 58097 -103.894 -8.495 0.455 0.202 2017 12 11 58098 -103.937 -8.474 0.458 0.205 2017 12 12 58099 -103.907 -8.489 0.463 0.208 2017 12 13 58100 -103.870 -8.544 0.468 0.211 2017 12 14 58101 -103.951 -8.547 0.473 0.214 2017 12 15 58102 -104.133 -8.469 0.475 0.217 2017 12 16 58103 -104.257 -8.405 0.480 0.220 2017 12 17 58104 -104.213 -8.449 0.485 0.223 2017 12 18 58105 -103.920 -8.560 0.480 0.222 2017 12 19 58106 -103.727 -8.650 0.493 0.228 2017 12 20 58107 -103.530 -8.628 0.523 0.240 2017 12 21 58108 -103.465 -8.572 0.561 0.255 2017 12 22 58109 -103.561 -8.558 0.596 0.269 2017 12 23 58110 -103.698 -8.551 0.631 0.284 2017 12 24 58111 -103.729 -8.483 0.669 0.298 2017 12 25 58112 -103.681 -8.368 0.704 0.313 2017 12 26 58113 -103.721 -8.311 0.742 0.327 2017 12 27 58114 -103.879 -8.338 0.777 0.342 2017 12 28 58115 -103.987 -8.321 0.814 0.356 2017 12 29 58116 -104.015 -8.149 0.850 0.371 2017 12 30 58117 -104.179 -7.950 0.794 0.347 2017 12 31 58118 -104.640 -7.940 0.704 0.309 2018 1 1 58119 -105.116 -8.108 0.616 0.271 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 2017 12 2 58089 1.4888 0.0142 15.04106691949 0.00000000247 2017 12 3 58090 1.3598 0.0472 15.04106694195 0.00000000822 2017 12 4 58091 1.2433 0.0781 15.04106696223 0.00000001360 2017 12 5 58092 1.1899 0.0545 15.04106697152 0.00000000949 2017 12 6 58093 1.2004 0.0278 15.04106696970 0.00000000484 2017 12 7 58094 1.2285 0.0268 15.04106696481 0.00000000467 2017 12 8 58095 1.3084 0.0336 15.04106695090 0.00000000585 2017 12 9 58096 1.4075 0.0436 15.04106693364 0.00000000759 2017 12 10 58097 1.4623 0.0310 15.04106692410 0.00000000540 2017 12 11 58098 1.4388 0.0130 15.04106692819 0.00000000226 2017 12 12 58099 1.3979 0.0131 15.04106693531 0.00000000228 2017 12 13 58100 1.2996 0.0125 15.04106695243 0.00000000218 2017 12 14 58101 1.1260 0.0123 15.04106698265 0.00000000214 2017 12 15 58102 0.9664 0.0134 15.04106701043 0.00000000233 2017 12 16 58103 0.8096 0.0139 15.04106703773 0.00000000242 2017 12 17 58104 0.6581 0.0132 15.04106706410 0.00000000230 2017 12 18 58105 0.5536 0.0131 15.04106708230 0.00000000228 2017 12 19 58106 0.5109 0.0130 15.04106708973 0.00000000226 2017 12 20 58107 0.5232 0.0128 15.04106708759 0.00000000223 2017 12 21 58108 0.5487 0.0127 15.04106708315 0.00000000221 2017 12 22 58109 0.5620 0.0127 15.04106708083 0.00000000221 2017 12 23 58110 0.6447 0.0130 15.04106706644 0.00000000226 2017 12 24 58111 0.7923 0.0131 15.04106704074 0.00000000228 2017 12 25 58112 0.9226 0.0131 15.04106701806 0.00000000228 2017 12 26 58113 1.0309 0.0132 15.04106699920 0.00000000230 2017 12 27 58114 1.1377 0.0139 15.04106698061 0.00000000242 2017 12 28 58115 1.1581 0.0145 15.04106697706 0.00000000252 2017 12 29 58116 1.1095 0.0146 15.04106698552 0.00000000254 2017 12 30 58117 1.0466 0.0140 15.04106699647 0.00000000244 2017 12 31 58118 0.9455 0.0141 15.04106701407 0.00000000245 2018 1 1 58119 0.8248 0.0149 15.04106703508 0.00000000259 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58089-58119] No leap second introduced during period [58089-58119] 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 aus00007.eops 58 61 4 - 22 52 4 58091.50 to 58116.27 195 618 16 - 188 40 BKG bkg00014.eops 54 66 2 - 13 30 18 58089.50 to 58116.27 84 150 17 - 77 57 GSFC gsf2016a.eoxy 40 42 2 4 10 25 18 58089.50 to 58116.27 86 133 17 13 48 53 IAA iaa2007a.eops 33 34 1 - 9 24 18 58089.50 to 58116.27 114 156 18 - 101 115 USNO usn2017b.eoxy 51 48 2 - 19 44 5 58102.27 to 58116.27 34 133 13 - 76 37 IVS * ivs14r1X.eops 40 40 3 - 9 26 3 58102.27 to 58116.27 104 55 13 - 63 21 VLBI Intensive BKG * bkgint14.eopi - - 19 - - - 27 58089.33 to 58118.33 - - 17 - - - GSFC * gsf2016a.eopi - - 17 - - - 27 58089.33 to 58118.33 - - 181 - - - IAA * iaa2005a.eopi - - 16 - - - 27 58089.33 to 58118.33 - - 31 - - - PUL pul2010a.eopi - - 17 - - - 26 58089.33 to 58118.33 - - 18 - - - USNO * usn2017b.eopi - - 15 - - - 59 58089.33 to 58118.33 - - 45 - - - GPS CODE COD*ERP_R 6 6 - 0 - - 7 58091.50 to 58097.50 57 88 - 12 - - JPL jpl*.erp 11 12 - 5 - - 30 58089.50 to 58118.50 49 49 - 18 - - GFZ gfz*.erp 3 3 - 0 - - 241 58089.00 to 58119.00 352 152 - 46 - - ESOC esa*.erp 8 9 - 2 - - 30 58089.50 to 58118.50 52 49 - 10 - - NOAA ngs*.erp 2 2 - 0 - - 30 58089.50 to 58118.50 52 66 - 11 - - SIO sio*.erp siu*.erp 63 69 - 17 - - 25 58090.50 to 58118.50 66 74 - 14 - - EMR emr*.erp 3 3 - 0 - - 25 58090.50 to 58118.50 52 57 - 10 - - IAA gnss.res 3 4 - 0 - - 30 58089.50 to 58118.50 67 67 - 21 - - GRGS grg*.erp 47 47 - 0 - - 30 58089.50 to 58118.50 45 42 - 7 - - ASI asi*.erp 7 7 - 0 - - 25 58094.50 to 58118.50 55 50 - 37 - - MIT mit*.erp 12 12 - 1 - - 30 58089.50 to 58118.50 45 57 - 11 - - IGR * igs96p02.erp 13 12 - 2 - - 30 58089.50 to 58118.50 46 47 - 9 - - IGS * igs00p03.erp 4 4 - 0 - - 30 58089.50 to 58118.50 42 51 - 11 - - SLR MCC tg*.02 178 187 - 25 - - 22 58089.00 to 58110.00 90 139 - 118 - - IAA slr_v.dat 60 70 - 4 - - 31 58089.00 to 58119.00 193 152 - 17 - - ASI asi*.eop 70 71 - 17 - - 30 58089.50 to 58118.50 166 150 - 52 - - ILRS * ilrsa.eop 56 56 - 8 - - 30 58089.50 to 58118.50 125 150 - 16 - - BULLETIN A NEOS mark3.out 17 21 12 - - - 31 58089.00 to 58119.00 60 72 16 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html