BULLETIN B 365 2 July 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 0.051 0.036 0.0158 0.026 0.072 2018 5 2 58240 69.520 438.837 100.6154 -0.058 -0.050 0.059 0.039 0.0176 0.089 0.100 2018 5 3 58241 70.349 439.382 99.7192 -0.050 -0.085 0.058 0.038 0.0180 0.091 0.101 2018 5 4 58242 71.442 439.846 98.9347 -0.042 -0.120 0.055 0.038 0.0155 0.094 0.102 2018 5 5 58243 72.190 440.340 98.2142 -0.035 -0.132 0.055 0.038 0.0131 0.090 0.097 2018 5 6 58244 73.183 441.116 97.5500 -0.028 -0.135 0.054 0.039 0.0111 0.082 0.089 2018 5 7 58245 74.056 441.974 96.9273 -0.021 -0.138 0.053 0.039 0.0083 0.075 0.081 2018 5 8 58246 75.289 442.794 96.3055 -0.014 -0.141 0.052 0.038 0.0175 0.068 0.073 2018 5 9 58247 76.503 443.814 95.5260 -0.007 -0.144 0.052 0.037 0.0099 0.061 0.065 2018 5 10 58248 77.859 444.662 94.5836 0.000 -0.147 0.054 0.038 0.0128 0.054 0.057 2018 5 11 58249 78.921 445.387 93.6326 0.007 -0.150 0.048 0.037 0.0086 0.047 0.049 2018 5 12 58250 80.633 445.320 92.6272 0.001 -0.153 0.052 0.037 0.0094 0.047 0.049 2018 5 13 58251 83.066 445.202 91.5118 -0.011 -0.155 0.058 0.039 0.0125 0.050 0.053 2018 5 14 58252 85.130 445.100 90.5326 -0.023 -0.158 0.059 0.039 0.0208 0.053 0.056 2018 5 15 58253 87.493 445.214 89.3998 -0.035 -0.161 0.058 0.039 0.0141 0.056 0.060 2018 5 16 58254 89.595 445.498 88.5938 -0.046 -0.163 0.056 0.039 0.0114 0.059 0.063 2018 5 17 58255 91.800 445.717 87.7958 -0.058 -0.166 0.056 0.039 0.0144 0.063 0.067 2018 5 18 58256 93.988 446.225 87.1501 -0.070 -0.168 0.054 0.038 0.0124 0.066 0.070 2018 5 19 58257 95.672 446.942 86.5790 -0.076 -0.162 0.053 0.038 0.0246 0.068 0.073 2018 5 20 58258 96.977 447.467 86.0583 -0.081 -0.153 0.053 0.038 0.0171 0.071 0.076 2018 5 21 58259 98.121 447.749 85.4478 -0.086 -0.144 0.053 0.038 0.0238 0.073 0.078 2018 5 22 58260 99.178 447.686 84.6102 -0.091 -0.134 0.053 0.037 0.0338 0.076 0.081 2018 5 23 58261 100.747 447.750 83.6772 -0.095 -0.125 0.052 0.038 0.0178 0.078 0.083 2018 5 24 58262 102.548 447.827 82.6398 -0.100 -0.116 0.051 0.037 0.0186 0.081 0.086 2018 5 25 58263 104.514 447.972 81.6036 -0.105 -0.107 0.048 0.036 0.0172 0.083 0.089 2018 5 26 58264 105.963 447.994 80.6403 -0.107 -0.103 0.051 0.038 0.0155 0.080 0.085 2018 5 27 58265 107.448 447.738 79.7179 -0.107 -0.101 0.056 0.039 0.0133 0.074 0.080 2018 5 28 58266 109.050 447.462 78.9801 -0.108 -0.098 0.058 0.039 0.0198 0.068 0.074 2018 5 29 58267 110.654 447.233 78.3693 -0.109 -0.096 0.058 0.039 0.0240 0.062 0.068 2018 5 30 58268 112.145 447.210 77.7297 -0.273 -0.185 0.026 0.024 0.0125 0.025 0.041 2018 5 31 58269 113.238 447.171 77.3184 -0.286 -0.132 0.027 0.024 0.0179 0.023 0.044 2018 6 1 58270 114.210 446.949 76.9437 -0.299 -0.127 0.029 0.023 0.0062 0.022 0.043 Preliminary extension 2018 6 2 58271 116.000 446.795 76.6933 -0.288 -0.125 0.029 0.023 0.0190 0.022 0.044 2018 6 3 58272 117.672 446.819 76.3388 -0.267 -0.124 0.031 0.022 0.0154 0.024 0.046 2018 6 4 58273 118.894 446.918 75.9905 -0.246 -0.123 0.033 0.022 0.0154 0.025 0.048 2018 6 5 58274 120.342 446.950 75.6038 -0.225 -0.122 0.034 0.023 0.0196 0.027 0.049 2018 6 6 58275 121.745 447.225 75.1603 -0.204 -0.121 0.036 0.022 0.0167 0.028 0.051 2018 6 7 58276 122.649 447.320 74.4752 -0.183 -0.119 0.024 0.022 0.0155 0.030 0.053 2018 6 8 58277 123.500 447.252 73.7273 -0.162 -0.118 0.021 0.022 0.0064 0.031 0.055 2018 6 9 58278 124.612 446.846 73.0116 0.000 0.000 0.030 0.017 0.0243 0.070 0.074 2018 6 10 58279 125.750 446.300 72.1032 0.000 0.000 0.028 0.019 0.0225 0.084 0.081 2018 6 11 58280 127.351 445.665 71.4130 0.000 0.000 0.028 0.022 0.0222 0.084 0.081 2018 6 12 58281 128.948 445.401 70.7075 0.000 0.000 0.026 0.018 0.0183 0.084 0.081 2018 6 13 58282 130.671 445.299 70.0743 0.000 0.000 0.028 0.020 0.0726 0.084 0.081 2018 6 14 58283 132.069 445.198 69.6844 0.000 0.000 0.028 0.022 0.0575 0.084 0.081 2018 6 15 58284 133.142 444.512 69.3655 0.000 0.000 0.027 0.021 0.0180 0.084 0.081 2018 6 16 58285 134.182 443.397 69.1018 0.000 0.000 0.025 0.017 0.0220 0.084 0.081 2018 6 17 58286 135.465 442.023 68.9067 0.000 0.000 0.031 0.014 0.0171 0.084 0.081 2018 6 18 58287 136.834 440.764 68.6658 0.000 0.000 0.034 0.020 0.0732 0.084 0.081 2018 6 19 58288 138.486 439.669 68.2021 0.000 0.000 0.026 0.022 0.0170 0.084 0.081 2018 6 20 58289 140.417 438.617 67.8290 0.000 0.000 0.030 0.023 0.0261 0.084 0.081 2018 6 21 58290 142.534 438.021 67.5547 0.000 0.000 0.034 0.023 0.0276 0.084 0.081 2018 6 22 58291 144.513 437.400 67.1389 0.000 0.000 0.036 0.024 0.0199 0.084 0.081 2018 6 23 58292 146.652 436.620 66.9419 0.000 0.000 0.036 0.028 0.0167 0.084 0.081 2018 6 24 58293 148.530 435.835 67.0768 0.000 0.000 0.035 0.026 0.0361 0.084 0.081 2018 6 25 58294 150.234 434.983 67.3455 0.000 0.000 0.038 0.027 0.0322 0.084 0.081 2018 6 26 58295 152.143 433.868 67.6393 0.000 0.000 0.036 0.030 0.0253 0.084 0.081 2018 6 27 58296 154.026 432.635 68.0537 0.000 0.000 0.034 0.031 0.0218 0.084 0.081 2018 6 28 58297 156.086 431.568 68.7119 0.000 0.000 0.036 0.028 0.1113 0.084 0.081 2018 6 29 58298 158.590 430.844 69.4280 0.000 0.000 0.036 0.028 0.1113 0.084 0.081 2018 6 30 58299 160.991 430.362 70.0481 0.000 0.000 0.034 0.030 0.1113 0.084 0.081 2018 7 1 58300 162.993 429.717 70.6583 0.000 0.000 0.042 0.038 0.1113 0.084 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 2018 5 2 58240 -102.490 -11.826 0.224 0.100 2018 5 3 58241 -102.671 -11.917 0.229 0.101 2018 5 4 58242 -102.819 -12.079 0.236 0.102 2018 5 5 58243 -102.833 -12.233 0.226 0.097 2018 5 6 58244 -102.697 -12.348 0.206 0.089 2018 5 7 58245 -102.428 -12.413 0.189 0.081 2018 5 8 58246 -102.055 -12.426 0.171 0.073 2018 5 9 58247 -101.709 -12.396 0.153 0.065 2018 5 10 58248 -101.627 -12.338 0.136 0.057 2018 5 11 58249 -101.919 -12.255 0.118 0.049 2018 5 12 58250 -102.414 -12.137 0.118 0.049 2018 5 13 58251 -102.753 -11.996 0.126 0.053 2018 5 14 58252 -102.842 -11.921 0.133 0.056 2018 5 15 58253 -102.926 -12.027 0.141 0.060 2018 5 16 58254 -103.213 -12.311 0.148 0.063 2018 5 17 58255 -103.599 -12.592 0.158 0.067 2018 5 18 58256 -103.828 -12.650 0.166 0.070 2018 5 19 58257 -103.800 -12.453 0.171 0.073 2018 5 20 58258 -103.654 -12.185 0.178 0.076 2018 5 21 58259 -103.518 -12.033 0.184 0.078 2018 5 22 58260 -103.385 -12.029 0.191 0.081 2018 5 23 58261 -103.204 -12.101 0.196 0.083 2018 5 24 58262 -103.036 -12.174 0.204 0.086 2018 5 25 58263 -103.038 -12.199 0.209 0.089 2018 5 26 58264 -103.291 -12.147 0.201 0.085 2018 5 27 58265 -103.685 -12.015 0.186 0.080 2018 5 28 58266 -104.024 -11.867 0.171 0.074 2018 5 29 58267 -104.213 -11.807 0.156 0.068 2018 5 30 58268 -104.714 -11.971 0.063 0.041 2018 5 31 58269 -104.803 -12.065 0.058 0.044 2018 6 1 58270 -104.876 -12.182 0.055 0.043 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 2018 5 2 58240 0.9498 0.0117 15.04106701332 0.00000000204 2018 5 3 58241 0.8206 0.0124 15.04106703581 0.00000000216 2018 5 4 58242 0.7079 0.0117 15.04106705543 0.00000000204 2018 5 5 58243 0.6546 0.0117 15.04106706471 0.00000000204 2018 5 6 58244 0.6706 0.0117 15.04106706193 0.00000000204 2018 5 7 58245 0.6702 0.0110 15.04106706200 0.00000000191 2018 5 8 58246 0.7266 0.0114 15.04106705218 0.00000000198 2018 5 9 58247 0.8166 0.0117 15.04106703651 0.00000000204 2018 5 10 58248 0.9443 0.0111 15.04106701428 0.00000000193 2018 5 11 58249 0.9918 0.0106 15.04106700601 0.00000000185 2018 5 12 58250 1.0798 0.0117 15.04106699069 0.00000000204 2018 5 13 58251 1.1393 0.0125 15.04106698033 0.00000000218 2018 5 14 58252 1.0683 0.0127 15.04106699269 0.00000000221 2018 5 15 58253 0.9538 0.0120 15.04106701263 0.00000000209 2018 5 16 58254 0.7773 0.0118 15.04106704335 0.00000000205 2018 5 17 58255 0.6490 0.0124 15.04106706569 0.00000000216 2018 5 18 58256 0.5571 0.0124 15.04106708169 0.00000000216 2018 5 19 58257 0.5359 0.0124 15.04106708538 0.00000000216 2018 5 20 58258 0.6025 0.0121 15.04106707378 0.00000000211 2018 5 21 58259 0.7001 0.0119 15.04106705679 0.00000000207 2018 5 22 58260 0.8201 0.0116 15.04106703590 0.00000000202 2018 5 23 58261 0.9697 0.0112 15.04106700986 0.00000000195 2018 5 24 58262 1.0442 0.0112 15.04106699689 0.00000000195 2018 5 25 58263 1.0393 0.0113 15.04106699774 0.00000000197 2018 5 26 58264 0.9715 0.0119 15.04106700955 0.00000000207 2018 5 27 58265 0.8876 0.0116 15.04106702415 0.00000000202 2018 5 28 58266 0.7686 0.0116 15.04106704487 0.00000000202 2018 5 29 58267 0.5957 0.0121 15.04106707497 0.00000000211 2018 5 30 58268 0.4489 0.0070 15.04106710052 0.00000000122 2018 5 31 58269 0.3526 0.0072 15.04106711729 0.00000000125 2018 6 1 58270 0.3037 0.0074 15.04106712580 0.00000000129 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58240-58270] No leap second introduced during period [58240-58270] 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 BKG bkg00014.eops 199 161 7 - 15 44 5 58242.27 to 58263.27 116 150 12 - 103 55 GSFC gsf2016a.eoxy 38 41 2 5 9 25 9 58241.21 to 58268.21 54 99 32 19 72 59 IAA iaa2007a.eops 34 37 2 - 11 27 4 58242.27 to 58263.27 99 56 13 - 17 41 USNO usn2018a.eoxy 25 28 1 - 11 29 4 58242.27 to 58263.27 54 36 9 - 16 15 IVS * ivs14r1X.eops 15 14 1 - 5 15 4 58242.27 to 58263.27 50 50 7 - 2 2 VLBI Intensive GSI * gsiint2c.eopi - - 11 - - - 8 58243.33 to 58265.33 - - 49 - - - BKG * bkgint14.eopi - - 11 - - - 27 58240.79 to 58268.79 - - 39 - - - GSFC * gsf2016a.eopi - - 10 - - - 29 58240.79 to 58268.79 - - 64 - - - IAA * iaa2005a.eopi - - 11 - - - 27 58240.79 to 58268.79 - - 37 - - - PUL pul2010a.eopi - - 10 - - - 27 58240.79 to 58268.79 - - 43 - - - USNO * usn2018a.eopi - - 14 - - - 62 58240.79 to 58269.14 - - 109 - - - GPS CODE COD*ERP_R 6 6 - 1 - - 30 58240.50 to 58269.50 49 31 - 11 - - JPL jpl*.erp 10 12 - 5 - - 30 58240.50 to 58269.50 50 32 - 15 - - GFZ gfz*.erp 3 3 - 0 - - 237 58240.00 to 58270.00 82 149 - 39 - - ESOC esa*.erp 8 8 - 3 - - 30 58240.50 to 58269.50 42 26 - 9 - - SIO sio*.erp siu*.erp 60 66 - 17 - - 27 58240.50 to 58269.50 69 53 - 20 - - EMR emr*.erp 3 3 - 0 - - 24 58240.50 to 58269.50 64 35 - 7 - - IAA gnss.res 4 4 - 0 - - 30 58240.50 to 58269.50 92 72 - 25 - - GRGS grg*.erp 65 65 - 0 - - 30 58240.50 to 58269.50 36 20 - 13 - - ASI asi*.erp 7 7 - 0 - - 30 58240.50 to 58269.50 62 44 - 45 - - MIT mit*.erp 13 12 - 1 - - 30 58240.50 to 58269.50 46 28 - 12 - - IGR * igs96p02.erp 13 12 - 2 - - 30 58240.50 to 58269.50 48 20 - 8 - - IGS * igs00p03.erp 4 4 - 0 - - 30 58240.50 to 58269.50 42 24 - 12 - - SLR MCC tg*.02 148 158 - 22 - - 31 58240.00 to 58270.00 84 67 - 201 - - IAA slr_v.dat 52 56 - 3 - - 31 58240.00 to 58270.00 138 140 - 27 - - ASI asi*.eop 59 60 - 13 - - 30 58240.50 to 58269.50 138 153 - 43 - - ILRS * ilrsa.eop 40 43 - 7 - - 30 58240.50 to 58269.50 100 123 - 22 - - BULLETIN A NEOS mark3.out 21 18 6 - - - 31 58240.00 to 58270.00 59 37 51 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html