BULLETIN B 355 1 Septembre 2017 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 0.060 0.045 0.0072 0.018 0.044 2017 7 2 57936 159.023 448.763 358.9551 0.017 0.166 0.060 0.045 0.0068 0.036 0.036 2017 7 3 57937 162.256 448.330 358.4813 0.011 0.119 0.060 0.045 0.0070 0.037 0.037 2017 7 4 57938 165.706 447.677 358.1065 0.006 0.071 0.060 0.045 0.0073 0.037 0.037 2017 7 5 57939 168.964 447.191 357.8452 0.018 0.073 0.060 0.045 0.0075 0.038 0.038 2017 7 6 57940 171.984 446.683 357.6820 0.036 0.088 0.060 0.045 0.0077 0.038 0.038 2017 7 7 57941 174.978 445.959 357.5868 0.053 0.103 0.060 0.045 0.0079 0.039 0.039 2017 7 8 57942 177.783 445.215 357.5296 0.062 0.121 0.060 0.045 0.0080 0.039 0.039 2017 7 9 57943 180.223 444.718 357.4751 0.067 0.140 0.060 0.045 0.0081 0.040 0.040 2017 7 10 57944 181.999 443.929 357.3704 0.072 0.160 0.060 0.045 0.0082 0.040 0.040 2017 7 11 57945 183.760 442.793 357.1568 0.078 0.179 0.060 0.045 0.0083 0.041 0.041 2017 7 12 57946 185.214 441.710 356.8033 0.074 0.157 0.060 0.045 0.0083 0.041 0.041 2017 7 13 57947 187.120 440.571 356.3241 0.067 0.123 0.061 0.045 0.0083 0.042 0.042 2017 7 14 57948 189.363 439.345 355.7605 0.060 0.090 0.061 0.045 0.0083 0.042 0.042 2017 7 15 57949 191.171 438.185 355.1532 0.075 0.100 0.061 0.045 0.0082 0.043 0.043 2017 7 16 57950 192.332 436.683 354.5345 0.097 0.125 0.061 0.045 0.0081 0.043 0.043 2017 7 17 57951 193.497 435.037 353.9334 0.120 0.151 0.061 0.045 0.0080 0.044 0.043 2017 7 18 57952 194.726 433.758 353.3744 0.142 0.176 0.061 0.045 0.0078 0.044 0.044 2017 7 19 57953 195.914 432.318 352.8729 0.165 0.201 0.061 0.045 0.0077 0.045 0.044 2017 7 20 57954 197.069 430.722 352.4403 0.131 0.200 0.061 0.045 0.0076 0.045 0.045 2017 7 21 57955 197.931 428.970 352.0877 0.081 0.191 0.061 0.045 0.0074 0.046 0.046 2017 7 22 57956 198.637 426.593 351.8075 0.072 0.159 0.061 0.045 0.0071 0.046 0.047 2017 7 23 57957 199.927 424.424 351.5490 0.077 0.119 0.061 0.045 0.0069 0.047 0.048 2017 7 24 57958 201.765 422.664 351.2294 0.082 0.078 0.061 0.045 0.0067 0.048 0.049 2017 7 25 57959 203.413 421.228 350.7833 0.088 0.038 0.061 0.045 0.0065 0.049 0.050 2017 7 26 57960 204.786 419.936 350.2027 0.139 0.231 0.062 0.046 0.0063 0.050 0.051 2017 7 27 57961 206.141 418.480 349.5302 0.202 0.485 0.062 0.046 0.0061 0.050 0.052 2017 7 28 57962 207.104 416.895 348.8240 0.188 0.426 0.062 0.046 0.0059 0.051 0.052 2017 7 29 57963 207.750 415.304 348.1374 0.164 0.339 0.062 0.046 0.0056 0.051 0.052 2017 7 30 57964 208.289 413.684 347.5196 0.145 0.279 0.062 0.046 0.0053 0.051 0.052 2017 7 31 57965 208.830 411.806 347.0152 0.126 0.220 0.062 0.046 0.0051 0.052 0.052 2017 8 1 57966 209.830 409.891 346.6520 0.108 0.161 0.063 0.046 0.0049 0.052 0.052 Preliminary extension 2017 8 2 57967 211.404 408.243 346.4264 0.101 0.158 0.063 0.046 0.0047 0.052 0.052 2017 8 3 57968 213.286 406.604 346.3004 0.098 0.170 0.063 0.047 0.0045 0.052 0.052 2017 8 4 57969 214.713 405.437 346.2156 0.095 0.182 0.063 0.047 0.0044 0.052 0.052 2017 8 5 57970 215.443 404.189 346.1206 0.078 0.182 0.064 0.047 0.0042 0.052 0.052 2017 8 6 57971 216.168 402.960 345.9918 0.056 0.178 0.064 0.047 0.0040 0.052 0.051 2017 8 7 57972 217.133 401.534 345.8252 0.035 0.174 0.064 0.047 0.0039 0.052 0.051 2017 8 8 57973 218.536 399.809 345.5949 0.013 0.171 0.065 0.048 0.0038 0.052 0.051 2017 8 9 57974 220.114 398.212 345.2551 0.042 0.168 0.065 0.048 0.0039 0.053 0.051 2017 8 10 57975 221.905 396.551 344.7742 0.085 0.167 0.066 0.049 0.0040 0.053 0.052 2017 8 11 57976 223.495 394.823 344.1569 0.127 0.165 0.066 0.049 0.0041 0.054 0.052 2017 8 12 57977 224.262 393.064 343.4697 0.126 0.174 0.067 0.050 0.0042 0.055 0.053 2017 8 13 57978 224.899 391.343 342.7906 0.110 0.188 0.068 0.050 0.0043 0.055 0.054 2017 8 14 57979 225.437 389.546 342.1759 0.093 0.202 0.069 0.051 0.0044 0.056 0.056 2017 8 15 57980 225.477 387.930 341.6550 0.076 0.215 0.070 0.052 0.0045 0.057 0.057 2017 8 16 57981 225.103 385.994 341.2584 0.000 0.000 0.054 0.055 0.0077 0.049 0.048 2017 8 17 57982 225.388 383.800 340.8802 0.000 0.000 0.054 0.056 0.0081 0.050 0.049 2017 8 18 57983 226.330 381.398 340.6712 0.000 0.000 0.055 0.056 0.0085 0.050 0.050 2017 8 19 57984 227.536 379.682 340.4319 0.000 0.000 0.055 0.056 0.0089 0.051 0.051 2017 8 20 57985 228.625 378.509 340.2925 0.000 0.000 0.055 0.058 0.0093 0.051 0.052 2017 8 21 57986 229.620 377.392 339.9499 0.000 0.000 0.056 0.059 0.0098 0.052 0.052 2017 8 22 57987 230.254 375.693 339.4742 0.000 0.000 0.056 0.061 0.0102 0.052 0.053 2017 8 23 57988 230.706 373.886 338.9786 0.000 0.000 0.056 0.063 0.0106 0.053 0.054 2017 8 24 57989 231.064 371.771 338.4379 0.000 0.000 0.056 0.065 0.0111 0.053 0.054 2017 8 25 57990 231.862 369.650 337.9046 0.000 0.000 0.056 0.067 0.0116 0.053 0.055 2017 8 26 57991 232.983 367.834 337.3743 0.000 0.000 0.057 0.068 0.0122 0.054 0.055 2017 8 27 57992 233.773 366.214 337.0532 0.000 0.000 0.057 0.070 0.0127 0.054 0.055 2017 8 28 57993 234.288 364.389 336.7495 0.000 0.000 0.057 0.072 0.0133 0.054 0.056 2017 8 29 57994 234.873 362.917 336.6267 0.000 0.000 0.057 0.073 0.0139 0.054 0.056 2017 8 30 57995 235.212 361.459 336.3819 0.000 0.000 0.058 0.075 0.0145 0.054 0.056 2017 8 31 57996 235.420 359.449 336.2770 0.000 0.000 0.059 0.078 0.0151 0.055 0.057 2017 9 1 57997 235.576 357.101 336.3261 0.000 0.000 0.060 0.080 0.0158 0.055 0.057 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 7 2 57936 -104.512 -12.471 0.090 0.036 2017 7 3 57937 -104.416 -12.571 0.093 0.037 2017 7 4 57938 -104.620 -12.592 0.093 0.037 2017 7 5 57939 -105.007 -12.497 0.096 0.038 2017 7 6 57940 -105.326 -12.423 0.096 0.038 2017 7 7 57941 -105.446 -12.431 0.098 0.039 2017 7 8 57942 -105.446 -12.464 0.098 0.039 2017 7 9 57943 -105.432 -12.454 0.101 0.040 2017 7 10 57944 -105.466 -12.414 0.101 0.040 2017 7 11 57945 -105.579 -12.399 0.103 0.041 2017 7 12 57946 -105.782 -12.456 0.103 0.041 2017 7 13 57947 -105.965 -12.494 0.106 0.042 2017 7 14 57948 -106.026 -12.447 0.106 0.042 2017 7 15 57949 -105.962 -12.287 0.108 0.043 2017 7 16 57950 -105.997 -12.108 0.108 0.043 2017 7 17 57951 -106.273 -11.983 0.111 0.043 2017 7 18 57952 -106.746 -11.959 0.111 0.044 2017 7 19 57953 -107.259 -12.080 0.113 0.044 2017 7 20 57954 -107.816 -12.362 0.113 0.045 2017 7 21 57955 -108.216 -12.637 0.116 0.046 2017 7 22 57956 -108.273 -12.720 0.116 0.047 2017 7 23 57957 -108.063 -12.572 0.118 0.048 2017 7 24 57958 -107.690 -12.405 0.121 0.049 2017 7 25 57959 -107.321 -12.433 0.123 0.050 2017 7 26 57960 -107.113 -12.383 0.126 0.051 2017 7 27 57961 -107.312 -12.217 0.126 0.052 2017 7 28 57962 -107.962 -12.210 0.128 0.052 2017 7 29 57963 -108.504 -12.185 0.128 0.052 2017 7 30 57964 -108.692 -12.233 0.128 0.052 2017 7 31 57965 -108.698 -12.380 0.131 0.052 2017 8 1 57966 -108.778 -12.509 0.131 0.052 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 7 2 57936 0.5414 0.0125 15.04106708442 0.00000000218 2017 7 3 57937 0.4437 0.0126 15.04106710143 0.00000000219 2017 7 4 57938 0.3016 0.0126 15.04106712617 0.00000000219 2017 7 5 57939 0.2089 0.0126 15.04106714230 0.00000000219 2017 7 6 57940 0.1451 0.0126 15.04106715341 0.00000000219 2017 7 7 57941 0.0805 0.0126 15.04106716466 0.00000000219 2017 7 8 57942 0.0760 0.0126 15.04106716544 0.00000000219 2017 7 9 57943 0.0746 0.0126 15.04106716568 0.00000000219 2017 7 10 57944 0.1456 0.0126 15.04106715332 0.00000000219 2017 7 11 57945 0.2708 0.0126 15.04106713153 0.00000000219 2017 7 12 57946 0.4015 0.0126 15.04106710877 0.00000000219 2017 7 13 57947 0.5125 0.0127 15.04106708945 0.00000000221 2017 7 14 57948 0.5976 0.0127 15.04106707464 0.00000000221 2017 7 15 57949 0.6279 0.0127 15.04106706936 0.00000000221 2017 7 16 57950 0.5904 0.0127 15.04106707589 0.00000000221 2017 7 17 57951 0.5818 0.0128 15.04106707739 0.00000000223 2017 7 18 57952 0.5382 0.0128 15.04106708498 0.00000000223 2017 7 19 57953 0.4646 0.0129 15.04106709779 0.00000000225 2017 7 20 57954 0.3820 0.0129 15.04106711217 0.00000000225 2017 7 21 57955 0.3170 0.0130 15.04106712348 0.00000000226 2017 7 22 57956 0.2699 0.0130 15.04106713168 0.00000000226 2017 7 23 57957 0.2807 0.0131 15.04106712980 0.00000000228 2017 7 24 57958 0.3480 0.0132 15.04106711809 0.00000000230 2017 7 25 57959 0.4825 0.0132 15.04106709467 0.00000000230 2017 7 26 57960 0.5925 0.0133 15.04106707552 0.00000000232 2017 7 27 57961 0.6881 0.0134 15.04106705888 0.00000000233 2017 7 28 57962 0.6949 0.0135 15.04106705770 0.00000000235 2017 7 29 57963 0.6336 0.0135 15.04106706837 0.00000000235 2017 7 30 57964 0.5497 0.0136 15.04106708298 0.00000000237 2017 7 31 57965 0.4615 0.0137 15.04106709833 0.00000000238 2017 8 1 57966 0.3126 0.0138 15.04106712425 0.00000000240 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [57936-57966] No leap second introduced during period [57936-57966] 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 60 72 3 - 22 59 8 57938.21 to 57962.27 99 293 24 - 154 122 BKG bkg00014.eops 90 112 4 - 21 60 9 57938.21 to 57962.27 61 93 7 - 45 52 GSFC gsf2016a.eoxy 37 43 2 6 9 27 8 57938.21 to 57962.27 36 93 9 22 33 39 IAA iaa2007a.eops 36 48 2 - 12 30 8 57938.21 to 57962.27 95 70 10 - 53 62 USNO usn2017a.eoxy 26 34 2 - 11 31 8 57938.21 to 57962.27 11 75 8 - 31 50 IVS * ivs07r1X.eops 14 16 1 - 4 14 8 57938.21 to 57962.27 147 134 4 - 4 14 VLBI Intensive BKG * bkgint14.eopi - - 15 - - - 18 57937.79 to 57962.80 - - 25 - - - GSFC * gsf2016a.eopi - - 14 - - - 32 57936.33 to 57965.31 - - 31 - - - IAA * iaa2005a.eopi - - 15 - - - 32 57936.33 to 57965.31 - - 25 - - - PUL pul2010a.eopi - - 15 - - - 32 57936.33 to 57965.31 - - 32 - - - USNO * usn2017a.eopi - - 14 - - - 64 57936.26 to 57965.31 - - 45 - - - GPS CODE COD*ERP_R 6 6 - 1 - - 30 57936.50 to 57965.50 30 30 - 10 - - JPL jpl*.erp 10 12 - 5 - - 30 57936.50 to 57965.50 30 25 - 14 - - GFZ gfz*.erp 2 2 - 0 - - 241 57936.00 to 57966.00 34 31 - 11 - - ESOC esa*.erp 8 9 - 3 - - 30 57936.50 to 57965.50 24 19 - 8 - - NOAA ngs*.erp 2 2 - 0 - - 30 57936.50 to 57965.50 49 33 - 11 - - SIO sio*.erp siu*.erp 60 64 - 18 - - 26 57936.50 to 57965.50 41 30 - 15 - - EMR emr*.erp 3 3 - 0 - - 22 57936.50 to 57965.50 37 36 - 10 - - IAA gnss.res 3 4 - 0 - - 30 57936.50 to 57965.50 45 47 - 19 - - GRGS grg*.erp 55 54 - 0 - - 30 57936.50 to 57965.50 24 21 - 9 - - ASI asi*.erp 7 8 - 0 - - 29 57937.50 to 57965.50 400 358 - 80 - - MIT mit*.erp 13 13 - 1 - - 30 57936.50 to 57965.50 29 29 - 8 - - IGR * igs96p02.erp 15 13 - 2 - - 30 57936.50 to 57965.50 23 21 - 8 - - IGS * igs00p03.erp 4 4 - 0 - - 30 57936.50 to 57965.50 23 23 - 8 - - SLR MCC tg*.02 178 195 - 32 - - 31 57936.00 to 57966.00 149 110 - 258 - - IAA slr_v.dat 60 65 - 5 - - 31 57936.00 to 57966.00 236 193 - 32 - - ASI asi*.eop 63 69 - 8 - - 30 57936.50 to 57965.50 199 131 - 45 - - ILRS * ilrsa.eop 48 51 - 8 - - 30 57936.50 to 57965.50 121 161 - 22 - - BULLETIN A NEOS mark3.out 23 23 6 - - - 31 57936.00 to 57966.00 47 33 23 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html