BULLETIN B 359 1 January 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 0.061 0.046 0.0077 0.019 0.047 2017 11 2 58059 179.139 255.937 281.9681 0.295 0.055 0.059 0.045 0.0325 0.045 0.041 2017 11 3 58060 178.168 255.529 280.4358 0.285 0.025 0.059 0.045 0.0068 0.046 0.042 2017 11 4 58061 176.819 255.000 278.9008 0.300 0.038 0.059 0.045 0.0065 0.047 0.043 2017 11 5 58062 175.227 254.016 277.4412 0.325 0.066 0.060 0.046 0.0062 0.051 0.043 2017 11 6 58063 173.465 252.887 276.1200 0.349 0.094 0.060 0.046 0.0060 0.051 0.043 2017 11 7 58064 171.798 251.605 274.9430 0.373 0.122 0.060 0.046 0.0056 0.050 0.043 2017 11 8 58065 170.596 250.256 273.8891 0.359 0.124 0.060 0.046 0.0053 0.050 0.043 2017 11 9 58066 169.120 249.358 272.8698 0.335 0.118 0.060 0.045 0.0213 0.055 0.047 2017 11 10 58067 167.646 247.946 271.7690 0.311 0.112 0.060 0.045 0.0206 0.055 0.047 2017 11 11 58068 166.396 246.848 270.5541 0.289 0.098 0.060 0.045 0.0197 0.056 0.048 2017 11 12 58069 164.923 246.174 269.2296 0.268 0.080 0.060 0.045 0.0091 0.049 0.045 2017 11 13 58070 163.368 245.937 267.7909 0.248 0.062 0.060 0.045 0.0070 0.049 0.045 2017 11 14 58071 161.570 245.403 266.3049 0.227 0.044 0.060 0.046 0.0067 0.048 0.045 2017 11 15 58072 160.062 244.625 264.8338 0.248 0.016 0.061 0.046 0.0064 0.047 0.045 2017 11 16 58073 158.441 244.147 263.4392 0.281 -0.015 0.061 0.046 0.0060 0.047 0.045 2017 11 17 58074 156.031 243.545 262.1513 0.313 -0.047 0.061 0.046 0.0058 0.047 0.045 2017 11 18 58075 153.245 242.360 260.9969 0.304 -0.041 0.061 0.046 0.0055 0.055 0.048 2017 11 19 58076 150.733 241.508 259.9969 0.280 -0.022 0.061 0.046 0.0052 0.051 0.050 2017 11 20 58077 148.216 240.689 259.1473 0.256 -0.004 0.061 0.046 0.0050 0.051 0.050 2017 11 21 58078 145.643 239.916 258.4197 0.232 0.015 0.061 0.046 0.0048 0.048 0.051 2017 11 22 58079 143.796 239.140 257.7679 0.261 0.004 0.062 0.046 0.0046 0.048 0.051 2017 11 23 58080 141.993 238.659 257.1452 0.276 -0.006 0.062 0.047 0.0044 0.048 0.050 2017 11 24 58081 139.591 238.269 256.4995 0.280 -0.013 0.063 0.047 0.0041 0.047 0.050 2017 11 25 58082 136.823 237.901 255.7814 0.283 -0.019 0.063 0.047 0.0040 0.047 0.050 2017 11 26 58083 135.304 237.396 254.9426 0.287 -0.026 0.064 0.048 0.0038 0.046 0.050 2017 11 27 58084 133.539 237.045 253.9490 0.291 -0.033 0.064 0.048 0.0037 0.046 0.050 2017 11 28 58085 131.128 236.752 252.7917 0.295 -0.039 0.065 0.049 0.0036 0.046 0.050 2017 11 29 58086 128.794 236.933 251.4818 0.279 -0.039 0.066 0.050 0.0035 0.046 0.050 2017 11 30 58087 126.390 237.190 250.0433 0.243 -0.033 0.067 0.051 0.0034 0.046 0.051 2017 12 1 58088 124.126 236.687 248.5227 0.218 -0.037 0.069 0.052 0.0033 0.046 0.052 Preliminary extension 2017 12 2 58089 121.683 236.402 246.9996 0.205 -0.049 0.070 0.053 0.0032 0.047 0.053 2017 12 3 58090 119.219 235.528 245.5647 0.191 -0.062 0.072 0.054 0.0031 0.048 0.054 2017 12 4 58091 116.920 234.881 244.2650 0.177 -0.074 0.074 0.056 0.0030 0.048 0.054 2017 12 5 58092 114.684 233.884 243.0715 0.186 -0.084 0.075 0.057 0.0029 0.049 0.056 2017 12 6 58093 112.576 233.295 241.9065 0.216 -0.092 0.076 0.058 0.0028 0.050 0.057 2017 12 7 58094 109.461 233.492 240.6866 0.247 -0.100 0.078 0.059 0.0028 0.052 0.059 2017 12 8 58095 106.846 233.409 239.4061 0.263 -0.094 0.078 0.059 0.0028 0.053 0.061 2017 12 9 58096 104.761 233.955 238.0604 0.265 -0.074 0.079 0.060 0.0028 0.055 0.063 2017 12 10 58097 102.587 234.647 236.6251 0.268 -0.054 0.079 0.060 0.0029 0.056 0.065 2017 12 11 58098 100.176 235.403 235.1131 0.270 -0.035 0.079 0.060 0.0030 0.058 0.067 2017 12 12 58099 97.745 236.177 233.7070 0.000 0.000 0.080 0.060 0.0031 0.060 0.070 2017 12 13 58100 95.384 236.529 232.3430 0.000 0.000 0.081 0.061 0.0032 0.063 0.073 2017 12 14 58101 92.913 237.040 231.2313 0.000 0.000 0.056 0.068 0.0056 0.091 0.061 2017 12 15 58102 90.327 237.562 230.2123 0.000 0.000 0.057 0.069 0.0059 0.094 0.064 2017 12 16 58103 87.701 238.089 229.1194 0.000 0.000 0.058 0.071 0.0062 0.096 0.066 2017 12 17 58104 84.844 238.573 228.5443 0.000 0.000 0.059 0.073 0.0065 0.099 0.069 2017 12 18 58105 81.944 239.055 227.9503 0.000 0.000 0.061 0.075 0.0067 0.101 0.071 2017 12 19 58106 78.865 239.550 227.3898 0.000 0.000 0.062 0.076 0.0070 0.103 0.073 2017 12 20 58107 76.046 239.444 226.9419 0.000 0.000 0.063 0.078 0.0074 0.105 0.075 2017 12 21 58108 73.730 238.818 226.3284 0.000 0.000 0.064 0.080 0.0077 0.107 0.077 2017 12 22 58109 71.963 238.289 225.8076 0.000 0.000 0.066 0.083 0.0080 0.109 0.078 2017 12 23 58110 70.619 238.463 225.2146 0.000 0.000 0.067 0.085 0.0084 0.111 0.080 2017 12 24 58111 69.428 239.045 224.4910 0.000 0.000 0.068 0.088 0.0087 0.113 0.081 2017 12 25 58112 68.396 239.813 223.6453 0.000 0.000 0.070 0.090 0.0091 0.114 0.083 2017 12 26 58113 67.719 240.695 222.6804 0.000 0.000 0.071 0.093 0.0096 0.116 0.084 2017 12 27 58114 67.318 241.580 221.6237 0.000 0.000 0.072 0.096 0.0101 0.118 0.085 2017 12 28 58115 66.663 243.176 220.4263 0.000 0.000 0.073 0.099 0.0106 0.119 0.087 2017 12 29 58116 64.990 244.448 219.2887 0.000 0.000 0.074 0.102 0.0112 0.120 0.088 2017 12 30 58117 63.127 245.516 218.2099 0.000 0.000 0.075 0.105 0.0117 0.122 0.089 2017 12 31 58118 61.229 246.662 217.2095 0.000 0.000 0.077 0.108 0.0123 0.123 0.089 2018 1 1 58119 59.212 247.602 216.3197 0.000 0.000 0.079 0.111 0.0129 0.124 0.090 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 11 2 58059 -106.480 -10.059 0.113 0.041 2017 11 3 58060 -106.352 -9.789 0.116 0.042 2017 11 4 58061 -106.193 -9.737 0.118 0.043 2017 11 5 58062 -106.151 -9.947 0.128 0.043 2017 11 6 58063 -106.207 -10.183 0.128 0.043 2017 11 7 58064 -106.245 -10.180 0.126 0.043 2017 11 8 58065 -106.304 -9.967 0.126 0.043 2017 11 9 58066 -106.318 -9.745 0.138 0.047 2017 11 10 58067 -106.284 -9.663 0.138 0.047 2017 11 11 58068 -106.208 -9.703 0.141 0.048 2017 11 12 58069 -106.087 -9.771 0.123 0.045 2017 11 13 58070 -105.934 -9.828 0.123 0.045 2017 11 14 58071 -105.831 -9.872 0.121 0.045 2017 11 15 58072 -105.745 -9.873 0.118 0.045 2017 11 16 58073 -105.720 -9.790 0.118 0.045 2017 11 17 58074 -105.676 -9.662 0.118 0.045 2017 11 18 58075 -105.640 -9.564 0.138 0.048 2017 11 19 58076 -105.541 -9.588 0.128 0.050 2017 11 20 58077 -105.337 -9.688 0.128 0.050 2017 11 21 58078 -105.037 -9.744 0.121 0.051 2017 11 22 58079 -104.627 -9.741 0.121 0.051 2017 11 23 58080 -104.462 -9.692 0.121 0.050 2017 11 24 58081 -104.560 -9.642 0.118 0.050 2017 11 25 58082 -104.670 -9.569 0.118 0.050 2017 11 26 58083 -104.566 -9.444 0.116 0.050 2017 11 27 58084 -104.338 -9.299 0.116 0.050 2017 11 28 58085 -104.251 -9.195 0.116 0.050 2017 11 29 58086 -104.397 -9.105 0.116 0.050 2017 11 30 58087 -104.548 -8.928 0.116 0.051 2017 12 1 58088 -104.524 -8.685 0.116 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 11 2 58059 1.4899 0.0129 15.04106691930 0.00000000225 2017 11 3 58060 1.5674 0.0129 15.04106690581 0.00000000225 2017 11 4 58061 1.5059 0.0130 15.04106691651 0.00000000226 2017 11 5 58062 1.4047 0.0130 15.04106693413 0.00000000226 2017 11 6 58063 1.2567 0.0130 15.04106695990 0.00000000226 2017 11 7 58064 1.0899 0.0131 15.04106698893 0.00000000228 2017 11 8 58065 1.0311 0.0131 15.04106699917 0.00000000228 2017 11 9 58066 1.0728 0.0128 15.04106699191 0.00000000223 2017 11 10 58067 1.1765 0.0128 15.04106697386 0.00000000223 2017 11 11 58068 1.3010 0.0128 15.04106695218 0.00000000223 2017 11 12 58069 1.3675 0.0129 15.04106694061 0.00000000225 2017 11 13 58070 1.4516 0.0129 15.04106692597 0.00000000225 2017 11 14 58071 1.5009 0.0130 15.04106691738 0.00000000226 2017 11 15 58072 1.4389 0.0130 15.04106692818 0.00000000226 2017 11 16 58073 1.3377 0.0131 15.04106694579 0.00000000228 2017 11 17 58074 1.2121 0.0131 15.04106696766 0.00000000228 2017 11 18 58075 1.0708 0.0132 15.04106699226 0.00000000230 2017 11 19 58076 0.9289 0.0133 15.04106701696 0.00000000232 2017 11 20 58077 0.7991 0.0131 15.04106703956 0.00000000228 2017 11 21 58078 0.6741 0.0132 15.04106706132 0.00000000230 2017 11 22 58079 0.5958 0.0132 15.04106707495 0.00000000230 2017 11 23 58080 0.6479 0.0133 15.04106706588 0.00000000232 2017 11 24 58081 0.7219 0.0134 15.04106705300 0.00000000233 2017 11 25 58082 0.8153 0.0135 15.04106703674 0.00000000235 2017 11 26 58083 0.8998 0.0137 15.04106702203 0.00000000238 2017 11 27 58084 1.0056 0.0138 15.04106700361 0.00000000240 2017 11 28 58085 1.1989 0.0140 15.04106696996 0.00000000244 2017 11 29 58086 1.3696 0.0142 15.04106694024 0.00000000247 2017 11 30 58087 1.4751 0.0143 15.04106692188 0.00000000249 2017 12 1 58088 1.5430 0.0145 15.04106691005 0.00000000252 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58059-58088] No leap second introduced during period [58059-58088] 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 49 59 3 - 11 28 9 58060.27 to 58087.50 80 56 10 - 40 31 GSFC gsf2016a.eoxy 38 39 2 7 9 24 9 58060.27 to 58087.50 107 55 11 20 19 34 IAA iaa2007a.eops 102 101 8 - 33 77 9 58060.27 to 58087.50 114 114 10 - 41 51 USNO usn2017b.eoxy 30 30 2 - 12 30 6 58060.27 to 58079.27 122 45 16 - 28 17 IVS * ivs07r1X.eops 15 14 1 - 5 16 7 58060.27 to 58079.27 140 50 6 - 6 3 VLBI Intensive BKG * bkgint14.eopi - - 14 - - - 27 58059.79 to 58087.79 - - 70 - - - GSFC * gsf2016a.eopi - - 10 - - - 27 58059.79 to 58087.79 - - 76 - - - IAA * iaa2005a.eopi - - 11 - - - 27 58059.79 to 58087.79 - - 24 - - - PUL pul2010a.eopi - - 11 - - - 27 58059.79 to 58087.79 - - 25 - - - USNO * usn2017b.eopi - - 18 - - - 58 58059.13 to 58087.79 - - 75 - - - GPS CODE COD*ERP_R 6 6 - 1 - - 29 58059.50 to 58087.50 36 40 - 13 - - JPL jpl*.erp 11 13 - 6 - - 29 58059.50 to 58087.50 44 50 - 20 - - GFZ gfz*.erp 2 2 - 0 - - 233 58059.00 to 58088.00 48 50 - 14 - - ESOC esa*.erp 8 8 - 3 - - 29 58059.50 to 58087.50 39 39 - 10 - - NOAA ngs*.erp 2 2 - 0 - - 29 58059.50 to 58087.50 34 48 - 10 - - SIO sio*.erp siu*.erp 61 69 - 18 - - 25 58059.50 to 58087.50 48 51 - 22 - - EMR emr*.erp 3 3 - 0 - - 25 58059.50 to 58087.50 48 41 - 15 - - IAA gnss.res 3 3 - 0 - - 29 58059.50 to 58087.50 71 60 - 27 - - GRGS grg*.erp 51 51 - 0 - - 29 58059.50 to 58087.50 36 38 - 12 - - ASI asi*.erp 7 7 - 0 - - 17 58059.50 to 58075.50 33 40 - 33 - - MIT mit*.erp 13 13 - 1 - - 29 58059.50 to 58087.50 42 41 - 13 - - IGR * igs96p02.erp 9 11 - 3 - - 29 58059.50 to 58087.50 34 39 - 12 - - IGS * igs00p03.erp 3 3 - 0 - - 29 58059.50 to 58087.50 38 37 - 11 - - SLR MCC tg*.02 172 177 - 26 - - 30 58059.00 to 58088.00 117 121 - 155 - - IAA slr_v.dat 61 64 - 4 - - 30 58059.00 to 58088.00 244 207 - 24 - - ASI asi*.eop 78 68 - 9 - - 29 58059.50 to 58087.50 191 179 - 58 - - ILRS * ilrsa.eop 71 59 - 12 - - 29 58059.50 to 58087.50 133 163 - 21 - - BULLETIN A NEOS mark3.out 34 42 7 - - - 30 58059.00 to 58088.00 47 51 25 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html