BULLETIN B 350 1 April 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 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 0.004 0.004 0.0190 0.035 0.038 2017 2 2 57786 30.799 284.627 552.7143 -0.082 -0.155 0.004 0.004 0.0074 0.031 0.031 2017 2 3 57787 30.513 285.636 551.2703 -0.132 -0.144 0.004 0.004 0.0075 0.031 0.031 2017 2 4 57788 30.067 286.844 549.8444 -0.140 -0.140 0.004 0.004 0.0076 0.032 0.032 2017 2 5 57789 29.333 288.317 548.4677 -0.134 -0.139 0.004 0.004 0.0077 0.032 0.033 2017 2 6 57790 27.963 289.689 547.2079 -0.103 -0.137 0.004 0.004 0.0094 0.033 0.036 2017 2 7 57791 25.809 290.903 545.9721 -0.101 -0.109 0.004 0.004 0.0091 0.034 0.036 2017 2 8 57792 23.509 291.954 544.7768 -0.067 -0.196 0.004 0.004 0.0189 0.032 0.038 2017 2 9 57793 21.440 293.072 543.5610 -0.092 -0.206 0.004 0.004 0.0189 0.032 0.038 2017 2 10 57794 19.689 294.068 542.2729 -0.117 -0.215 0.004 0.004 0.0188 0.033 0.039 2017 2 11 57795 18.152 295.004 540.8798 -0.117 -0.201 0.004 0.004 0.0187 0.034 0.039 2017 2 12 57796 16.561 296.165 539.2997 -0.109 -0.179 0.004 0.004 0.0186 0.034 0.039 2017 2 13 57797 15.007 297.033 537.6791 -0.079 -0.135 0.004 0.004 0.0227 0.037 0.043 2017 2 14 57798 13.620 298.041 536.0134 -0.067 -0.108 0.004 0.004 0.0225 0.037 0.043 2017 2 15 57799 12.221 298.880 534.3126 -0.069 -0.105 0.004 0.004 0.0199 0.037 0.041 2017 2 16 57800 10.697 299.899 532.6996 -0.077 -0.107 0.004 0.005 0.0201 0.038 0.042 2017 2 17 57801 9.106 300.640 531.1855 -0.085 -0.110 0.004 0.005 0.0202 0.038 0.043 2017 2 18 57802 8.033 301.392 529.8001 -0.090 -0.099 0.005 0.005 0.0203 0.039 0.044 2017 2 19 57803 7.693 302.853 528.6302 -0.093 -0.084 0.005 0.005 0.0204 0.039 0.045 2017 2 20 57804 7.340 304.724 527.5682 -0.069 -0.115 0.004 0.004 0.0255 0.035 0.037 2017 2 21 57805 6.891 306.822 526.5686 -0.062 -0.117 0.004 0.004 0.0254 0.035 0.038 2017 2 22 57806 6.293 308.953 525.7061 -0.055 -0.118 0.004 0.004 0.0222 0.034 0.037 2017 2 23 57807 6.332 310.953 524.7581 -0.026 -0.119 0.004 0.004 0.0219 0.035 0.038 2017 2 24 57808 6.515 313.422 523.6927 0.008 -0.120 0.004 0.004 0.0216 0.036 0.038 2017 2 25 57809 6.367 315.900 522.6260 -0.003 -0.135 0.004 0.004 0.0213 0.036 0.039 2017 2 26 57810 5.895 317.632 521.4088 -0.032 -0.157 0.004 0.004 0.0209 0.037 0.039 2017 2 27 57811 5.044 319.156 520.0438 -0.060 -0.178 0.004 0.004 0.0304 0.037 0.040 2017 2 28 57812 4.485 320.737 518.5813 -0.089 -0.199 0.004 0.004 0.0305 0.038 0.041 2017 3 1 57813 4.235 322.740 516.9184 -0.078 -0.213 0.004 0.004 0.0236 0.039 0.042 Preliminary extension 2017 3 2 57814 4.481 324.503 515.2489 -0.057 -0.224 0.004 0.004 0.0233 0.040 0.044 2017 3 3 57815 4.800 326.371 513.7522 -0.036 -0.236 0.004 0.004 0.0228 0.041 0.045 2017 3 4 57816 4.963 328.363 512.3007 -0.044 -0.198 0.004 0.004 0.0223 0.042 0.046 2017 3 5 57817 5.082 330.044 510.8756 -0.063 -0.143 0.004 0.004 0.0218 0.043 0.048 2017 3 6 57818 4.699 331.866 509.5494 -0.082 -0.087 0.004 0.004 0.0211 0.043 0.049 2017 3 7 57819 3.874 333.519 508.2752 -0.101 -0.032 0.004 0.004 0.0205 0.044 0.050 2017 3 8 57820 3.359 334.981 507.0185 -0.146 -0.032 0.004 0.004 0.0198 0.045 0.051 2017 3 9 57821 3.580 336.213 505.7215 -0.198 -0.048 0.004 0.004 0.0192 0.046 0.052 2017 3 10 57822 4.072 337.710 504.3333 -0.249 -0.063 0.004 0.005 0.0185 0.046 0.052 2017 3 11 57823 4.594 339.463 502.8884 -0.258 -0.065 0.004 0.005 0.0179 0.047 0.053 2017 3 12 57824 4.677 341.431 501.3443 -0.251 -0.062 0.005 0.005 0.0172 0.047 0.053 2017 3 13 57825 4.443 343.124 499.6876 -0.245 -0.058 0.005 0.005 0.0166 0.047 0.054 2017 3 14 57826 4.144 344.425 497.9896 -0.238 -0.055 0.005 0.005 0.0159 0.048 0.054 2017 3 15 57827 3.993 345.893 496.2920 -0.021 0.047 0.005 0.005 0.0163 0.049 0.055 2017 3 16 57828 4.030 347.124 494.7446 -0.021 0.047 0.005 0.006 0.0169 0.050 0.057 2017 3 17 57829 4.126 348.878 493.3924 -0.021 0.047 0.006 0.006 0.0176 0.051 0.058 2017 3 18 57830 4.494 350.936 492.0845 -0.021 0.047 0.006 0.006 0.0183 0.052 0.059 2017 3 19 57831 4.942 353.171 490.8794 -0.021 0.047 0.006 0.006 0.0190 0.052 0.060 2017 3 20 57832 5.321 355.636 489.7924 -0.021 0.047 0.006 0.007 0.0197 0.053 0.061 2017 3 21 57833 5.487 358.023 488.6569 -0.021 0.047 0.007 0.007 0.0206 0.054 0.061 2017 3 22 57834 5.704 360.213 487.4875 -0.021 0.047 0.007 0.007 0.0214 0.054 0.062 2017 3 23 57835 5.982 362.519 486.2548 -0.021 0.047 0.007 0.008 0.0223 0.055 0.063 2017 3 24 57836 5.519 364.812 484.8974 -0.021 0.047 0.007 0.008 0.0232 0.056 0.063 2017 3 25 57837 5.037 366.647 483.4539 -0.021 0.047 0.008 0.008 0.0243 0.056 0.064 2017 3 26 57838 4.924 368.360 481.7662 -0.021 0.047 0.008 0.009 0.0253 0.057 0.064 2017 3 27 57839 4.989 370.192 479.8707 -0.021 0.047 0.008 0.009 0.0264 0.057 0.065 2017 3 28 57840 5.049 371.969 478.0326 -0.021 0.047 0.009 0.009 0.0275 0.058 0.065 2017 3 29 57841 5.281 373.456 476.0144 -0.021 0.047 0.009 0.010 0.0288 0.058 0.065 2017 3 30 57842 5.548 374.962 474.0599 -0.021 0.047 0.010 0.010 0.0301 0.058 0.066 2017 3 31 57843 5.833 376.413 472.1472 0.008 -0.002 999.000 999.000 999.0000 999.000 999.000 2017 4 1 57844 6.284 377.987 470.2772 0.008 -0.002 999.000 999.000 999.0000 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 2017 2 2 57786 -99.352 -9.403 0.078 0.031 2017 2 3 57787 -99.499 -9.413 0.078 0.031 2017 2 4 57788 -99.687 -9.408 0.080 0.032 2017 2 5 57789 -100.025 -9.469 0.080 0.033 2017 2 6 57790 -100.362 -9.650 0.083 0.036 2017 2 7 57791 -100.638 -9.860 0.085 0.036 2017 2 8 57792 -100.583 -10.078 0.080 0.038 2017 2 9 57793 -100.450 -10.035 0.080 0.038 2017 2 10 57794 -100.200 -9.914 0.083 0.039 2017 2 11 57795 -99.883 -9.892 0.085 0.039 2017 2 12 57796 -99.601 -10.065 0.085 0.039 2017 2 13 57797 -99.356 -10.303 0.093 0.043 2017 2 14 57798 -99.300 -10.455 0.093 0.043 2017 2 15 57799 -99.475 -10.453 0.093 0.041 2017 2 16 57800 -99.851 -10.367 0.096 0.042 2017 2 17 57801 -100.299 -10.323 0.096 0.043 2017 2 18 57802 -100.633 -10.345 0.098 0.044 2017 2 19 57803 -100.707 -10.379 0.098 0.045 2017 2 20 57804 -100.444 -10.403 0.088 0.037 2017 2 21 57805 -100.078 -10.357 0.088 0.038 2017 2 22 57806 -99.737 -10.367 0.085 0.037 2017 2 23 57807 -99.463 -10.506 0.088 0.038 2017 2 24 57808 -99.277 -10.731 0.090 0.038 2017 2 25 57809 -99.207 -10.909 0.090 0.039 2017 2 26 57810 -99.114 -10.910 0.093 0.039 2017 2 27 57811 -98.970 -10.754 0.093 0.040 2017 2 28 57812 -98.878 -10.610 0.096 0.041 2017 3 1 57813 -98.824 -10.629 0.098 0.042 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 2 2 57786 1.4624 0.0030 15.04106692409 0.00000000052 2017 2 3 57787 1.4644 0.0030 15.04106692374 0.00000000052 2017 2 4 57788 1.4205 0.0030 15.04106693138 0.00000000052 2017 2 5 57789 1.3378 0.0030 15.04106694578 0.00000000052 2017 2 6 57790 1.2450 0.0030 15.04106696193 0.00000000052 2017 2 7 57791 1.1806 0.0030 15.04106697314 0.00000000052 2017 2 8 57792 1.1908 0.0030 15.04106697137 0.00000000052 2017 2 9 57793 1.2576 0.0031 15.04106695974 0.00000000054 2017 2 10 57794 1.3578 0.0031 15.04106694230 0.00000000054 2017 2 11 57795 1.4840 0.0032 15.04106692033 0.00000000056 2017 2 12 57796 1.5775 0.0032 15.04106690405 0.00000000056 2017 2 13 57797 1.6387 0.0032 15.04106689339 0.00000000056 2017 2 14 57798 1.6800 0.0033 15.04106688621 0.00000000057 2017 2 15 57799 1.6530 0.0033 15.04106689091 0.00000000057 2017 2 16 57800 1.5783 0.0033 15.04106690391 0.00000000057 2017 2 17 57801 1.4456 0.0034 15.04106692701 0.00000000059 2017 2 18 57802 1.2842 0.0034 15.04106695511 0.00000000059 2017 2 19 57803 1.1113 0.0034 15.04106698521 0.00000000059 2017 2 20 57804 0.9957 0.0026 15.04106700533 0.00000000045 2017 2 21 57805 0.9278 0.0026 15.04106701715 0.00000000045 2017 2 22 57806 0.9128 0.0026 15.04106701976 0.00000000045 2017 2 23 57807 0.9864 0.0026 15.04106700695 0.00000000045 2017 2 24 57808 1.0800 0.0026 15.04106699066 0.00000000045 2017 2 25 57809 1.1591 0.0026 15.04106697689 0.00000000045 2017 2 26 57810 1.2693 0.0027 15.04106695770 0.00000000047 2017 2 27 57811 1.4088 0.0027 15.04106693342 0.00000000047 2017 2 28 57812 1.5357 0.0027 15.04106691133 0.00000000047 2017 3 1 57813 1.6120 0.0027 15.04106689804 0.00000000047 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [57786-57813] No leap second introduced during period [57786-57813] 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 59 65 3 - 58 55 8 57787.27 to 57812.21 280 236 18 - 66 294 BKG bkg00014.eops 66 92 3 - 34 35 9 57787.27 to 57812.21 113 248 11 - 44 76 GSFC gsf2016a.eops 49 54 2 7 29 31 9 57787.27 to 57812.21 113 199 14 14 31 48 IAA iaa2007a.eops 31 35 2 - 25 26 8 57787.27 to 57812.21 44 181 7 - 49 70 USNO usn2016a.eops 32 34 2 - 34 31 8 57787.27 to 57812.21 33 23 10 - 51 36 IVS * ivs07r1e.eops 9 9 0 - 3 10 8 57787.27 to 57812.21 68 51 9 - 21 40 VLBI Intensive BKG * bkgint14.eopi - - 16 - - - 29 57786.79 to 57812.79 - - 16 - - - GSFC * gsf2016a.eopi - - 12 - - - 29 57786.79 to 57812.79 - - 15 - - - IAA * iaa2005a.eopi - - 16 - - - 29 57786.79 to 57812.79 - - 23 - - - PUL pul2010a.eopi - - 14 - - - 29 57786.79 to 57812.79 - - 19 - - - USNO * usn2016a.eopi - - 12 - - - 29 57786.79 to 57812.79 - - 16 - - - GPS CODE COD*ERP_R 6 6 - 1 - - 26 57786.50 to 57812.50 25 34 - 10 - - JPL jpl*.erp 11 13 - 7 - - 27 57786.50 to 57812.50 34 35 - 15 - - GFZ gfz*.erp 2 3 - 0 - - 193 57786.00 to 57813.00 41 37 - 11 - - ESOC esa*.erp 8 8 - 4 - - 27 57786.50 to 57812.50 24 26 - 9 - - NOAA ngs*.erp 2 2 - 0 - - 27 57786.50 to 57812.50 33 41 - 7 - - SIO sio*.erp siu*.erp 50 56 - 17 - - 19 57786.50 to 57812.50 29 38 - 33 - - EMR emr*.erp 4 4 - 1 - - 19 57786.50 to 57812.50 33 38 - 10 - - IAA gnss.res 3 3 - 0 - - 27 57786.50 to 57812.50 36 50 - 20 - - GRGS grg*.erp 78 77 - 1 - - 27 57786.50 to 57812.50 23 32 - 10 - - ASI asi*.erp 8 8 - 0 - - 27 57786.50 to 57812.50 363 349 - 66 - - MIT mit*.erp 13 12 - 1 - - 27 57786.50 to 57812.50 24 32 - 9 - - IGR * igs96p02.erp 14 14 - 4 - - 27 57786.50 to 57812.50 19 24 - 7 - - IGS * igs00p03.erp 4 4 - 0 - - 27 57786.50 to 57812.50 17 25 - 8 - - SLR MCC tg*.02 172 181 - 33 - - 25 57789.00 to 57813.00 131 98 - 109 - - IAA slr_v.dat 54 59 - 3 - - 28 57786.00 to 57813.00 245 197 - 22 - - ASI asi*.eop 67 71 - 9 - - 27 57786.50 to 57812.50 172 208 - 51 - - ILRS * ilrsa.eop 43 44 - 7 - - 27 57786.50 to 57812.50 114 118 - 35 - - BULLETIN A NEOS mark3.out 20 18 4 - - - 28 57786.00 to 57813.00 47 38 21 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html