Technical description of solution sha2006d 1. Purpose of solution: TRF/CRF and EOP series 2. Analysis center: SHA ( Shanghai Astronomical Observatory ) 3. Short narrative description of solution: Solution sha2006d estimates station positions and velocities, source positions, In the meanwhile, EOPs are estimated as well. The TRF comprising estimated station positions and velocities is constrained by a set of good stations in the manner of no-net-translation and no-net-rotation with respect to ITRF2000. The 212 ICRF definition sources are used to define CRF through the constraints of no-net-rotation with respect to their positions in ICRF. Most of all available observations from 1979.08.03 to 2006.11.30 are used in this solution. 3986 sessions with duration longer than 20 hours contains 4,724,600 group delays. The wrms of postfit residuals is 23.003 ps and chi-sq/ndg = 1.089. Parameters are split into three groups: 1) global parameters estimated over all sessions; 2) local parameters estimated for each 24-hour session individually; 3) segmented parameters estimated over 20-60 minutes time spans. Positions of 701 sources (Appendix A) and positions and velocities of all stations are estimated as global parameters. Positions of 172 sources (Appendix B) are estimated as local parameters. 4. Estimated parameters: a. celestial frame: right ascension, declination (global and local). b. terrestrial frame: X, Y, Z, Xdot, Ydot, Zdot (global or local). c. Earth orientation: x, y, UT1-TAI, xdot, ydot, UT1dot, dpsi, deps (local). d. zenith troposphere: linear spline 20-min interval; rate constraint with reciprocal weights generally 50 ps/hr; NMF wet partial derivative (segmented). e. troposphere gradient: 12-hour east and north linear spline at all stations, except a set of 63 stations (Appendix C); offset and rate constraints with reciprocal weights 0.5 mm and 2.0 mm/day (segmented). f. station clocks: quadratic (local) + linear spline with 1-hr interval (segmented); rate constraint with reciprocal weights generally 5.0E-14 g. baseline clocks: set in initial analysis - usually used (local) h. other: global antenna axis offsets for a set of stations (Appendix D, axis offset are not estimated) (global) 5. Celestial reference frame: a. a priori source positions: glo.src. It's from GSFC VLBI group website. Positions of 212 ICRF defining sources are taken from the ICRF catalogue. b. source positions adjusted in solution: yes If yes, c. definition of orientation: no-net-rotation tie to the ICRF using only the 212 ICRF defining sources d. source position estimation: 701 global and 172 local 6. Terrestrial reference frame: a. a priori station positions: glo.sit. It's from GSFC VLBI group website. The definition stations values are taken from the ITRF2000. b. a priori station velocities: glo.vel. It's from GSFC VLBI group website. The definition stations values are taken from the ITRF2000. c. reference epoch: 1997.0 d. station positions/velocities adjusted in solution: yes e. definition of origin, orientation, and their time evolution: net-translation and net-rotation of position with respect to ITRF2000 for 28 stations: ALGOPARK BR-VLBA DSS45 FD-VLBA FORTLEZA HARTRAO HAYSTACK HOBART26 KASHIMA KAUAI KOKEE LA-VLBA MATERA MK-VLBA NL-VLBA NOTO NRAO20 NYALES20 ONSALA60 OVRO_130 RICHMOND SANTIA12 SC-VLBA SESHAN25 TSUKUB32 VNDNBERG WESTFORD WETTZELL net-translation and no-net-rotation of velocity with respect to ITRF2000 for the same 28 stations: ALGOPARK BR-VLBA DSS45 FD-VLBA FORTLEZA HARTRAO HAYSTACK HOBART26 KASHIMA KAUAI KOKEE LA-VLBA MATERA MK-VLBA NL-VLBA NOTO NRAO20 NYALES20 ONSALA60 OVRO_130 RICHMOND SANTIA12 SC-VLBA SESHAN25 TSUKUB32 VNDNBERG WESTFORD WETTZELL f. station parameter estimation: X, Y, Z, Xdot, Ydot, Zdot globally for most stations, some with constraints. g. stations with constraints: A priori velocity for U, E, and N components of the stations are constrained to the ITRF2000 (Appendix E). Velocities with reciprocal weights 0.1, 3.0, and 3.0 mm/yr respectively because the stations have a very short history of observations, in many cases only one occupation. The velocities of the 20 groups of stations are constrained to be the same (Appendix F). h. stations with discontinuous positions and date of discontinuity: YAKATAGA 871201 SOURDOGH 871201 WHTHORSE 871201 FORTORDS 891001 PRESIDIO 891001 NRAO85 3 901201 MOJAVE12 920627 DSS15 920627 MEDICINA 960601 EFLSBERG 961001 DSS65 970415 MIURA 000701 TATEYAMA 000701 GILCREEK 021103 GGAO7108 030101 SINTOTU3 030915 i. stations with nonlinear velocities: no j. relativity scale: the terrestrial reference frame is defined using the following metric tensor: G_oo = -(1 - (2W/c^2 + W^2/c^4) + 2L_g ) G_oa = -4W^a/c^3 G_ab = \delta_ab (1 + 2W/c^2 - 2L_g) ) k. permanent tide correction: yes 7. Earth orientation: a. a priori precession model: IAU2000A b. a priori nutation model: IAU2000A c. a priori short-period tidal variations in x, y, UT1 Model used according to hf1102a d. EOP estimation: X, Y, UT1, Xdot, Ydot, UT1dot, deps, dpsi each day deps and dpsi are relative to IAU2000A precession/nutation models. Time tag of EOP series is the middle epoch of the observing session. 8. A Priori geophysical models: a. troposphere: NMF dry mapping function; Saastamoinen zenith delay calculated using logged pressure, temperature; a priori mean gradients from DAO weather model. b. solid Earth tide: IERS Conventions 1996, p.56-65, step 1 and step 2, anelasticity variant, including tides of the 3-rd order. c. ocean loading: 3D ocean loading displacements computed by SPOTL software. d. atmosphere loading: 3D displacements computed by convolving global surface filed on 2.5x2.5 degrees grid with 6 hour temporal resolution using the NCEP reanalysis model. 9. Data type: group delays 10. Data editing: 5 deg elevation cutoff 11. Software: Calc 10.00, SOLVE revision date 2006.07.19 ---------------------------------------------------------------------------- Appendix A. ~~~~~~~~~~~ List of 701 sources with RA and DE were estimated as global parameters: 2357+811 0002+813 0006+771 0007+757 0010+775 0012+776 0015+781 UG00192 \ 4C+00.02 OB338 0025+797 0026+845 0031+799 0032+801 0036-216 0036+748 \ 0036+767 0026+892 0042+754 NGC0253 0046+839 0052+781 0105+785 0100+873 \ 0115+832 0118+806 0124+845 0133+758 0147+755 0152+756 0156+795 0201-440 \ 0159+831 0201+796 UGC01651 0213+798 0218+35B 0215+806 0210+86A 0210+861 \ 0223+774 0223+814 M77 0244+790 0252-712 0247+789 0251+795 0253+789 \ NGC1167 0255+785 0258+818 0301+756 UXARI 0324+763 0335-122 0336-017 \ 0340+044 0328+861 0349+764 0354+762 0352+825 0357+816 0400+764 0407+760 \ 0402+842 0409+806 0420-625 0415+763 0406+856 0417+767 0422+770 0428+205 \ 0428+807 0434+759 0450-743 0443+801 0448+763 0445+830 HD32918 0459+791 \ 0515-674 0512+249 0507+839 0502+859 0518+761 0505+874 0537-692 0533+812 \ 0541+759 NGC2110 0548+800 0558-504 MRK003 0610+783 NGC2146 0612+755 \ 0555+873 0615+848 0623+765 0621+814 0624+842 0633+805 0635+803 0638+779 \ 0636+823 0647-475 0648+769 0642+866 0704+819 0712+753 0714+779 0701+872 \ 0710+858 0727-365 0731-465 0727+770 0734+805 0741+214 0736+837 0755+764 \ 0802-276 0800+760 0806-710 0800+789 0807+764 0812+757 0804+863 0819+770 \ 0824+802 0824+840 4C+32.26 0844+387 0841+786 0845+788 0854+783 0902+343 \ 0858+839 0857+863 0910+805 0913+776 0914+768 0916+814 0932+784 0931+834 \ 0941-080 0939+797 0946+808 M82 0953+816 NGC3079 0958+793 1001+817 \ 1003+813 1005+770 1003+861 1011+765 0959+881 1015-314 1017+109 1016+771 \ 1020-103 1018+808 1024+791 1026+790 1039-474 1038+760 1047+794 1046+835 \ 1031+892 1100+772 1109+838 1110+771 1112+838 1115+810 NGC3690 1130+787 \ 1135+836 1145+787 1146+770 1150+832 1152+758 1153+828 1154+815 1200+858 \ 1201+843 1202+841 1205+782 1206-399 NGC4151 1216+798 M106 1218+797 \ 1221-829 1224+864 1225-023 1232+778 1232+777 1235+767 1242+864 1239-044 \ 1248+881 1243+764 1257+839 1305+825 1305+805 1310+860 1305-241 1310+784 \ NGC5077 1324+758 1328+254 1338+870 1329-665 1337+808 1337+794 1344+793 \ 1357+799 1358+791 1401+835 1415+793 1423+857 1418+784 1421+754 1422+763 \ 1421-490 1422+268 1427+799 1436+763 1439+327 1443+773 1445+752 1455+804 \ 1500+755 HD132742 1511+859 1506+805 1509+756 1516+819 1511+238 1529+790 \ 1532+824 1532+789 1532+772 1540+784 1555+754 1601+784 1624+879 1607+770 \ 1616+851 SIGCRB 1619+765 1631+859 1628+813 1622+238 1626+755 NGC6166 \ 3C343 3C343.1 1646+758 1650+758 NGC6240 1656+765 1657+780 1703+769 \ 1711+833 1708+771 1708+77A 1708+433 1731+870 1716+762 1713+218 1733+798 \ 1733+788 1729-373 1747+847 1741+759 SGR-A 1742-283 1756+818 1800+751 \ 1756-663 1805+760 1809+823 1805-214 1813-241 1825+799 1828+821 1830+797 \ 1832+779 1827-360 1840+842 1836+807 1829-106 1830-211 1847+851 1843+767 \ 1847+768 1851+752 1848+333 1906+860 1900+777 1900+771 1915+855 1901+016 \ 1906+764 1911+809 1911+80A 1915+803 NAQL93 1924+792 1920+154 1928-698 \ 1937+798 1934+207 1941+775 1950+84A 1946+788 1946+785 1946+781 1950+828 \ 1951+767 2000+770 2005+820 2005+762 2036+880 2015+766 2029+837 NGC6946 \ 2040+760 2042+750 2043+748 2043+74A 2044-168 2051+752 2102+766 2100+468 \ 2104+763 2101-715 2111+801 2113+827 2118+749 2120+767 2134+846 2133+792 \ 2136+764 2134-470 2142+834 2139+748 2146+753 2149+754 2157+765 2158+771 \ 2212+836 2209+184 2217+787 2227+752 2226-411 2231+803 2245+879 2238+815 \ 2249+856 2248+757 2249+760 2300+796 2301+817 2310-417 2316+756 2321+751 \ 2322-411 2324+779 2325+822 2328+812 2328+774 2332+861 2346+750 2347+789 \ 2352+796 2353+796 2355+814 Appendix B. ~~~~~~~~~~~ List of 172 sources with RA and DE were estimated as local parameters: 0008-421 0022-423 0032+612 0037-593 0110-668 0116-219 0116+319 0122-514 \ 0125+628 0127+084 0147-076 0153-410 0159-062 0201+088 0202-765 0207-078 \ 0214-522 0218+357 0218+35A 0234-301 0241+622 0253+133 0254-334 0307+380 \ 0312-770 0331+022 0334+014 0355-483 0407-658 0431-512 0503-608 0517-726 \ 0524-485 0529+075 0542-735 0600+219 0610+171 0614-349 0615-365 0622-441 \ 0628-627 0700-465 0728+249 0736-332 0744-691 0809-493 0823-223 0823-500 \ 0835-339 0842-754 0903-573 0936-853 0937+262 0952+581 0959-443 1005-739 \ 1026-084 1034-374 1043+066 1045-620 1049-650 1055-301 1056+212 1058+726 \ 1109-567 1117+146 1133-739 1143-287 1156-663 1215-457 1228-113 1234-504 \ 1236-684 1251-407 1303-827 1320-446 1323+321 1334-649 1343-601 1352-632 \ 1355-416 1417-782 1448-648 1454-354 1455+247 1505-496 1508-656 1519-294 \ 1535+004 1540-828 1555-140 1556-245 1600+43A 1600+43B 1600-489 1606-398 \ 1608+243 1611-710 1628+216 1633-810 1634+213 1637-771 1640-231 1646-506 \ 1725-795 1733-565 1740-517 1748-253 1814-637 1815+531 1822-173 1824-582 \ 1825-055 1827-272 1829-718 1830-21A 1830-21B 1848+283 1852-534 1855+031 \ 1910+052 1919+086 1929-457 1932+106 1934-638 1936-623 1950-613 1952+138 \ 2002-375 2005-044 2030-689 2046+429 2058-297 2058-425 2059-786 2115-305 \ 2117-614 2117-642 2138-377 2145+082 2146-783 2147+077 2152-699 2205-636 \ 2211-388 2215-508 2220-351 2229-172 2236-572 2239-631 2254-367 2259-375 \ 2300-307 2306-312 2311-452 2311-477 2324-023 2333-528 2340+233 2351-309 \ 4C55.17 CYGNUS-A HR1099 M104 NGC2484 NGC4278 NGC5141 NGC6034 \ NGC6500 UG03927 VELA VELA-G Appendix C. ~~~~~~~~~~~ List of 64 stations for which troposphere gradients were not estimated: AUSTINTX AZORES BERMUDA BLKBUTTE BLOOMIND BREST CARNUSTY CARROLGA \ DEADMANL ELY FLAGSTAF FORT_ORD FORTORDS FTD_7900 GORF7102 GGAO7108 \ GRASSE HALEAKAL HOFN HOHENFRG HOHNBERG JPL_MV1 KARLBURG KIRSBERG \ KODIAK LEONRDOK MAMMOTHL MCD_7850 METSHOVI MILESMON MIYAZAKI MIZUSGSI \ MIZUSGSI MOJ_7288 MV2ONSLA MON_PEAK NOME OCOTILLO OVR_7853 PBLOSSOM \ PENTICTN PINFLATS PLATTVIL PRESIDIO PT_REYES PVERDES QUINCY SAGARA \ SANPAULA SEATTLE1 SINTOTU SNDPOINT SOURDOGH TITIJIMA TOULOUSE TROMSONO \ TRYSILNO TSUKUBA VERNAL VICTORIA WHTHORSE YAKATAGA YELLOWKN YUMA Appendix D. ~~~~~~~~~~~ List of 101 stations with axis offsets are not estimated: AUSTINTX AZORES BERMUDA BLKBUTTE BLOOMIND BREST CARNUSTY CARROLGA \ CHLBOLTN CRIMEA DAITO DEADMANL DSS15 ELY FLAGSTAF FORTORDS \ FORT_ORD FTD_7900 GGAO7108 GOLDVENU GORF7102 GRASSE HALEAKAL HOFN \ HOHENFRG HOHNBERG JPL_MV1 KARLBURG KIRSBERG KODIAK KWAJAL26 LEONRDOK \ MAMMOTHL MARCUS MARPOINT MCD_7850 METSHOVI MIAMI20 MILESMON MIYAZAKI \ MIZNAO10 MIZUSGSI MIZUSGSI MOJ_7288 MON_PEAK MV2ONSLA NOBEY_6M NOME \ NRAO85_1 OCOTILLO OHIGGINS OVR_7853 PARKES PBLOSSOM PENTICTN PINFLATS \ PLATTVIL PRESIDIO PT_REYES PVERDES QUINCY ROBLED32 SAGARA SANPAULA \ SEATTLE1 SESHAN25 SEST SHANGHAI SINTOTU SNDPOINT SOURDOGH TIDBIN64 \ TIGOWTZL TITIJIMA TOULOUSE TROMSONO TRYSILNO TSUKUB32 TSUKUBA URUMQI \ USSURISK USUDA64 VERNAL VICTORIA VLA WHTHORSE YAKATAGA YEBES \ YELLOWKN YLOW7296 YUMA CTVASBAY CTVASTJ GIFU3 SVETLOE AIRA \ CHICHI10 GIFU11 MON_PEAK SINTOTU3 VERAMZSW Appendix E. ~~~~~~~~~~~ List of 39 stations with constraints on velocity: AUSTINTX AZORES BERMUDA BLOOMIND BREST CARNUSTY CARROLGA CHLBOLTN \ CTVASBAY CTVASTJ DAITO GRASSE HOFN HOHENFRG HOHNBERG KAINAN \ KANOZAN KARLBURG KIRSBERG LEONRDOK MCD_7850 METSHOVI MILESMON NOBEY_6M \ OCOTILLO SAGARA SEST SUWON TIDBIN64 TITIJIMA TOMAKO11 TOULOUSE \ USSURISK VERAIRIK VERAISGK VERAOGSW USUDA64 VICTORIA ZELENCHK Appendix F. ~~~~~~~~~~~ Velocities of these pairs of stations were constrainted to be the same: DSS15 GOLDMARS \ AND DSS45 TIDBIN64 \ AND DSS65 DSS65A ROBLED32 MADRID64 \ AND FORTORDS FORT_ORD FTD_7900 \ AND GIFU11 GIFU3 \ AND GGAO7108 GORF7102 \ AND KASHIM34 KASHIM11 \ AND KAUAI HALEAKAL \ AND KOGANEI KOGANEI3 \ AND METSAHOV METSHOVI \ AND MIZNAO10 MIZUSGSI VERAMZSW \ AND MOJAVE12 MOJ_7288 \ AND NRAO20 GBT-VLBA \ AND NRAO_140 NRAO85_1 \ AND ONSALA60 MV2ONSLA ONSALA85 \ AND OVRO_130 OVR_7853 \ AND RICHMOND MIAMI20 \ AND SESHAN25 SHANGHAI \ AND SINTOTU SINTOTU3 \ AND TSUKUB32 TSUKU3 TSUKUBA \ AND PIETOWN VLA VLA-N8 \ AND WETTZELL TIGOWTZL \ AND YLOW7296 YELLOWKN