BULLETIN B 212 3 october 2005 Contents are described in the Explanatory Supplement available at http://hpiers.obspm.fr/eop-pc/ 1 - EARTH ORIENTATION PARAMETERS (IERS evaluation). The values in this section are samplings of section 2 given at five-day intervals. Date MJD x y UT1R-UTC UT1R-TAI dPsi dEpsilon 2005 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. AUG 2 53584 -0.00119 0.42132 -0.602644 -32.602644 -63.5 -5.5 AUG 7 53589 0.00875 0.42278 -0.602060 -32.602060 -62.7 -4.7 AUG 12 53594 0.02013 0.42698 -0.602378 -32.602378 -63.7 -4.9 AUG 17 53599 0.02612 0.42917 -0.602382 -32.602382 -64.1 -5.2 AUG 22 53604 0.03282 0.42873 -0.601976 -32.601976 -64.1 -4.9 AUG 27 53609 0.03952 0.42681 -0.601408 -32.601408 -65.7 -5.1 SEP 1 53614 0.04213 0.42493 -0.599973 -32.599973 -64.8 -5.0 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. SEP 6 53619 0.04482 0.42340 -0.599516 -32.599516 -64.5 -4.7 SEP 11 53624 0.05019 0.42299 -0.600769 -32.600769 -65.0 -5.1 SEP 16 53629 0.05101 0.42102 -0.602425 -32.602425 -64.0 -4.4 SEP 21 53634 0.05311 0.41996 -0.604919 -32.604919 -64.3 -2.9 SEP 26 53639 0.05678 0.41705 -0.607230 -32.607230 -62.6 -4.8 OCT 1 53644 0.05866 0.41689 -0.608996 -32.608996 -61.3 -3.3 OCT 6 53649 0.06326 0.41455 -0.611000 -32.611000 -61.8 -3.7 OCT 11 53654 0.06920 0.41166 -0.613220 -32.613220 -61.3 -4.1 OCT 16 53659 0.07500 0.40817 -0.615646 -32.615646 -60.0 -3.6 OCT 21 53664 0.08046 0.40431 -0.618233 -32.618233 -60.9 -3.4 OCT 26 53669 0.08557 0.40013 -0.620956 -32.620956 -59.3 -3.8 OCT 31 53674 0.09028 0.39567 -0.623764 -32.623764 -58.7 -2.8 NOV 5 53679 0.09461 0.39099 -0.626648 -32.626648 -59.2 -2.8 NOV 10 53684 0.09852 0.38610 -0.629547 -32.629547 -57.2 -2.9 NOV 15 53689 0.10202 0.38106 -0.632461 -32.632461 -57.9 -2.1 NOV 20 53694 0.10508 0.37589 -0.635346 -32.635345 -57.1 -2.5 NOV 25 53699 0.10770 0.37063 -0.638191 -32.638191 -55.9 -2.1 NOV 30 53704 0.10989 0.36531 -0.640991 -32.640991 -56.6 -1.6 Note. In UT1R, the effects of zonal tides with periods shorter than 35 days are removed ; UT1-UT1R (smaller than 0.0025s in absolute value) should be added after quadratic interpolation of UT1R. Section 2 of this Bulletin gives the daily interpolation of x, y, UT1, duration of day, dPsi, and dEpsilon. IERS, B 212 (2) 2 - SMOOTHED VALUES OF x, y, UT1, D, DPSI, DEPSILON (IERS EVALUATION) at one-day intervals. For smoothing characteristics, see Table2 in the explanatory supplement. The reference system is described in the 2004 IERS Annual Report. 2005 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" AUG 2 53584 -0.00119 0.42132 -0.603021 -0.377 -0.646 -63.5 -5.5 AUG 3 53585 0.00086 0.42147 -0.602377 0.189 -0.638 -63.4 -5.5 AUG 4 53586 0.00308 0.42175 -0.601767 0.672 -0.566 -63.1 -5.4 AUG 5 53587 0.00494 0.42210 -0.601261 1.016 -0.405 -62.8 -5.2 AUG 6 53588 0.00674 0.42238 -0.600963 1.184 -0.185 -62.7 -5.0 AUG 7 53589 0.00875 0.42278 -0.600890 1.171 0.048 -62.7 -4.7 AUG 8 53590 0.01114 0.42326 -0.601048 0.997 0.261 -62.7 -4.6 AUG 9 53591 0.01387 0.42403 -0.601392 0.709 0.406 -62.9 -4.5 AUG 10 53592 0.01637 0.42510 -0.601837 0.370 0.444 -63.1 -4.6 AUG 11 53593 0.01840 0.42616 -0.602255 0.051 0.369 -63.4 -4.7 AUG 12 53594 0.02013 0.42698 -0.602553 -0.175 0.212 -63.7 -4.9 AUG 13 53595 0.02168 0.42761 -0.602660 -0.245 -0.007 -64.1 -5.1 AUG 14 53596 0.02291 0.42820 -0.602534 -0.123 -0.237 -64.4 -5.3 AUG 15 53597 0.02396 0.42872 -0.602199 0.185 -0.402 -64.5 -5.5 AUG 16 53598 0.02502 0.42907 -0.601762 0.611 -0.447 -64.4 -5.4 AUG 17 53599 0.02612 0.42917 -0.601353 1.030 -0.404 -64.1 -5.2 AUG 18 53600 0.02733 0.42911 -0.601005 1.292 -0.244 -63.7 -5.0 AUG 19 53601 0.02858 0.42889 -0.600897 1.272 0.071 -63.4 -4.7 AUG 20 53602 0.02995 0.42875 -0.601146 0.921 0.432 -63.4 -4.7 AUG 21 53603 0.03143 0.42881 -0.601726 0.293 0.679 -63.6 -4.8 AUG 22 53604 0.03282 0.42873 -0.602447 -0.471 0.707 -64.1 -4.9 AUG 23 53605 0.03423 0.42850 -0.603081 -1.198 0.550 -64.6 -5.1 AUG 24 53606 0.03568 0.42835 -0.603505 -1.735 0.299 -65.1 -5.1 AUG 25 53607 0.03710 0.42816 -0.603661 -1.991 0.006 -65.5 -5.1 AUG 26 53608 0.03837 0.42771 -0.603523 -1.952 -0.307 -65.7 -5.0 AUG 27 53609 0.03952 0.42681 -0.603067 -1.659 -0.575 -65.7 -5.1 AUG 28 53610 0.04069 0.42588 -0.602400 -1.186 -0.761 -65.6 -5.1 AUG 29 53611 0.04153 0.42540 -0.601575 -0.620 -0.886 -65.5 -5.2 AUG 30 53612 0.04188 0.42507 -0.600655 -0.045 -0.893 -65.2 -5.2 AUG 31 53613 0.04199 0.42479 -0.599813 0.463 -0.770 -65.0 -5.1 SEP 1 53614 0.04213 0.42493 -0.599131 0.842 -0.580 -64.8 -5.0 SEP 2 53615 0.04221 0.42524 -0.598662 1.050 -0.323 -64.6 -4.9 SEP 3 53616 0.04242 0.42508 -0.598486 1.073 -0.003 -64.4 -4.7 SEP 4 53617 0.04292 0.42452 -0.598647 0.924 0.193 -64.4 -4.6 SEP 5 53618 0.04373 0.42391 -0.598854 0.646 0.295 -64.4 -4.6 SEP 6 53619 0.04482 0.42340 -0.599213 0.303 0.420 -64.5 -4.7 SEP 7 53620 0.04602 0.42298 -0.599668 -0.029 0.474 -64.7 -4.7 SEP 8 53621 0.04735 0.42267 -0.600136 -0.271 0.436 -64.8 -4.8 SEP 9 53622 0.04860 0.42265 -0.600521 -0.359 0.298 -64.9 -4.9 SEP 10 53623 0.04953 0.42284 -0.600724 -0.255 0.100 -65.0 -5.1 SEP 11 53624 0.05019 0.42299 -0.600729 0.040 -0.087 -65.0 -5.1 SEP 12 53625 0.05056 0.42288 -0.600577 0.473 -0.185 -64.8 -5.2 SEP 13 53626 0.05048 0.42224 -0.600400 0.942 -0.126 -64.6 -5.2 SEP 14 53627 0.05022 0.42135 -0.600373 1.313 0.087 -64.4 -5.1 SEP 15 53628 0.05028 0.42097 -0.600613 1.451 0.383 -64.2 -4.8 SEP 16 53629 0.05101 0.42102 -0.601156 1.270 0.743 -64.0 -4.4 SEP 17 53630 0.05199 0.42123 -0.602083 0.770 1.112 -63.9 -3.9 SEP 18 53631 0.05257 0.42156 -0.603334 0.048 1.296 -63.9 -3.4 SEP 19 53632 0.05267 0.42149 -0.604614 -0.736 1.258 -64.0 -3.0 SEP 20 53633 0.05275 0.42081 -0.605795 -1.406 1.082 -64.2 -2.9 SEP 21 53634 0.05311 0.41996 -0.606745 -1.827 0.802 -64.3 -2.9 SEP 22 53635 0.05370 0.41920 -0.607393 -1.939 0.464 -63.8 -3.3 SEP 23 53636 0.05448 0.41861 -0.607688 -1.759 0.173 -63.8 -3.7 SEP 24 53637 0.05537 0.41805 -0.607768 -1.354 -0.004 -63.5 -4.2 SEP 25 53638 0.05624 0.41746 -0.607713 -0.817 -0.163 -63.1 -4.6 SEP 26 53639 0.05678 0.41705 -0.607471 -0.242 -0.216 -62.6 -4.8 SEP 27 53640 0.05712 0.41673 -0.607307 0.287 -0.133 -62.2 -4.7 SEP 28 53641 0.05796 0.41652 -0.607240 0.702 -0.003 -61.8 -4.4 SEP 29 53642 0.05853 0.41671 -0.607329 0.954 0.223 -61.6 -4.0 IERS, B 212 (3) 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 2005 MJD x y UT1-UTC dPsi dEps x y UT1 dPsi dEps (0 h UTC) " " s 0.001" 0.001" 0.0001s 0.001" AUG 2 53584 -0.00119 0.42131 -0.603023 -63.76 -5.53 0.01 0.01 0.02 0.07 0.03 AUG 7 53589 0.00876 0.42278 -0.600885 -62.76 -4.74 0.02 0.02 0.02 0.07 0.03 AUG 12 53594 0.02011 0.42697 -0.602553 -63.63 -4.81 0.01 0.02 0.01 0.12 0.04 AUG 17 53599 0.02611 0.42915 -0.601346 -64.08 -5.24 0.02 0.02 0.01 0.07 0.03 AUG 22 53604 0.03282 0.42872 -0.602450 -64.11 -5.00 0.02 0.02 0.02 0.12 0.05 AUG 27 53609 0.03951 0.42681 -0.603070 -65.68 -4.94 0.02 0.02 0.02 0.08 0.03 SEP 1 53614 0.04212 0.42494 -0.599124 -64.76 -4.97 0.02 0.02 0.02 0.10 0.04 SEP 6 53619 0.04482 0.42340 -0.599204 -64.43 -4.63 0.01 0.02 0.02 0.16 0.06 SEP 11 53624 0.05020 0.42299 -0.600728 -64.96 -5.16 0.02 0.02 0.01 0.04 0.02 SEP 16 53629 0.05101 0.42101 -0.601147 -64.05 -4.40 0.01 0.01 0.02 0.05 0.02 SEP 21 53634 0.05311 0.41996 -0.606751 - - 0.01 0.02 0.03 - - SEP 26 53639 0.05678 0.41706 -0.607479 - - 0.05 0.05 0.07 - - 4 - DURATION OF THE DAY AND ANGULAR VELOCITY OF THE EARTH (IERS evaluation). The data of this section are smoothed, with the same characteristics as UT1R in section 1. They are corrected for the effects of zonal tides with periods up to 35 days. Section 2 gives the daily interpolation of D. Date (0h UTC) DR OmegaR 2005 MJD s (microrad/s) AUG 2 53584 -0.00007 72.921 15152 AUG 7 53589 -0.00006 15151 AUG 12 53594 0.00006 15142 AUG 17 53599 -0.00004 15150 AUG 22 53604 -0.00007 15153 AUG 27 53609 -0.00018 15162 SEP 1 53614 -0.00029 15171 5 - INFORMATION ON TIME SCALES A leap second will be introduced in UTC on 31 December 2005. All information concerning time scales : announcements of the leap seconds (Bulletin C) and of the value of DUT1 (Bulletin D) can be found in our web/ftp site : World Wide Web : http://hpiers.obspm.fr Anonymous ftp : hpiers.obspm.fr or 145.238.100.28 IERS, B 212 (4) 6 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES This section gives the average precision of the individual series contri- buting to the combination and their average agreement with it. The periods covered start at the beginning of the first month in Section 1 and end with the last available value in the individual series considered. The complete list of measurements is available in the electronic-mailed version of Bulletin B in section 7. Units : 0.001" for x,y , 0.0001s for UT1, 0.001" for dPsi, dEpsi. -------------------------------------------------------------------------------- EOP series Mean formal uncertainty Periods covered Weighted RMS agreement with Bulletin B -------------------------------------------------------------------------------- x y UT D dPsi dEps Data Number VLBI EOP(AUS) 1 R 1 0.10 0.10 0.03 - 0.21 0.08 11 53587.27 to 53626.20 0.20 0.17 0.08 - 0.30 0.10 EOP(BKG) 3 R 4 0.10 0.09 0.04 - 0.19 0.07 13 53584.20 to 53626.20 0.21 0.18 0.09 - 0.17 0.10 EOP(BKG) 3 R 2 - - 0.13 - - - 51 53584.79 to 53639.79 - - 0.20 - - - EOP(USNO) 5 R 1 - - 0.14 - - - 53 53584.79 to 53639.79 - - 0.17 - - - EOP(GSFC) 4 R 2 0.08 0.08 0.03 - 0.17 0.06 14 53584.20 to 53629.20 0.10 0.12 0.07 - 0.13 0.06 EOP(GSFC) 4 R 1 - - 0.14 - - - 50 53584.79 to 53639.79 - - 0.16 - - - EOP(IAA) 5 R 1 0.07 0.07 0.03 - - - 14 53584.20 to 53629.20 0.18 0.19 0.12 - - - EOP(IAA) 3 R 3 - - 0.12 - - - 49 53584.79 to 53639.79 - - 0.21 - - - EOP(SPBU) 3 R 3 0.22 0.29 0.13 - 0.07 0.03 8 53587.27 to 53612.21 0.20 0.19 0.10 - 0.26 0.12 EOP(SPBU) 2 R 1 - - 0.13 - - - 48 53584.79 to 53638.33 - - 0.21 - - - EOP(MAO) 3 R 1 0.09 0.09 0.03 - - - 13 53584.22 to 53626.21 0.30 0.17 0.08 - - - EOP(USNO) 5 R 1 0.08 0.08 0.03 - 0.19 0.07 14 53584.20 to 53629.20 0.07 0.10 0.09 - 0.13 0.09 EOP(IVS) 0 R 1 0.09 0.09 0.04 - 0.10 0.04 12 53584.00 to 53622.00 0.17 0.18 0.07 - 0.08 0.09 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.24 - - 58 53584.50 to 53641.50 0.03 0.04 - 0.16 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.04 - - 58 53584.50 to 53641.50 0.07 0.13 - 0.45 - - EOP(ESOC) 96 P 1 0.01 0.02 - 0.06 - - 58 53584.50 to 53641.50 0.05 0.08 - 0.36 - - EOP(GFZ) 96 P 2 0.01 0.01 - 0.02 - - 58 53584.50 to 53641.50 0.05 0.05 - 0.25 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.06 - - 58 53584.50 to 53641.50 0.14 0.39 - 0.76 - - EOP(JPL) 96 P 3 0.02 0.02 - 0.14 - - 47 53584.50 to 53630.50 0.04 0.06 - 0.45 - - EOP(NOAA) 96 P 1 0.00 0.01 - 0.02 - - 58 53584.50 to 53641.50 0.09 0.10 - 0.28 - - EOP(SIO) 96 P 1 0.06 0.06 - 0.15 - - 58 53584.50 to 53641.50 0.06 0.05 - 0.38 - - EOP(IGS F)95 P 2 0.02 0.02 0.08 0.05 - - 47 53584.50 to 53630.50 0.04 0.08 0.18 0.18 - - EOP(IGS R)96 P 2 0.03 0.04 0.19 0.06 - - 58 53584.50 to 53641.50 0.08 0.05 0.53 0.18 - - EOP(IERS) 97 P 1 0.03 0.04 0.21 0.14 - - 58 53584.50 to 53641.50 0.02 0.02 0.22 0.17 - - SLR EOP(ASI) 3 L 2 0.06 0.07 - 0.14 - - 57 53584.50 to 53640.50 0.14 0.21 - 0.50 - - EOP(DUT) 98 L 1 0.08 0.09 - - - - 54 53584.00 to 53637.00 0.40 0.37 - - - - EOP(IAA) 2 L 1 0.03 0.04 0.02 0.02 - - 59 53584.00 to 53642.00 0.13 0.19 0.25 0.16 - - EOP(MCC) 97 L 1 0.04 0.05 - 0.10 - - 52 53584.00 to 53635.00 0.22 0.17 - 0.51 - - EOP(ILRS) 5 L 1 0.06 0.07 - 0.15 - - 54 53584.50 to 53637.50 0.29 0.18 - 0.49 - - Bulletin A EOP(NEOS) 97 C 1 0.05 0.06 0.10 - - - 59 53584.00 to 53642.00 0.06 0.09 0.15 - - -