Earth Orientation Catalog 4 (EOC-4) J/A+A/509/A3 ivo://CDS.VizieR/J/A+A/509/A3 doi:10.26093/cds/vizier.35090003 CDS Vondrak J. Stefka V. 2010-03-27T17:40:36Z 2010-03-27T18:31:24Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr optical-observation catalogs astrometry The astrometric ground-based observations of latitude / universal time variations, covering the interval 1899.7-2003.0, were used in combination with Hipparcos / Tycho positions and some older ground-based catalogs to construct a family of catalogs, tailored for long-term Earth rotation studies. These catalogs, called Earth Orientation Catalogs (EOC-1 through EOC-3) yielded more accurate proper motions than the original Hipparcos Catalogue, and its latest version, EOC-3, even periodic motions for a large portion of the stars. About 4.5 million observations made at 33 observatories are combined with the catalogs ARIHIP, TYCHO-2 etc... in order to obtain EOC-4. Spectral analysis of ground-based data and comparison with the USNO Sixth Catalog of Orbits of Visual Binary Stars are used to discover which of the observed objects display periodic motions, and improved combination procedures are used. The catalog contains 4418 different objects (i.e., stars, components of double stars, photocenters), out of which 599 have significant orbital motions. 2010A&A...509A...3V https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/509/A3 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to I/239 : The Hipparcos and Tycho Catalogues (ESA 1997) I/259 : The Tycho-2 Catalogue (Hog+ 2000) J/A+A/463/783 : Combined astrometric catalogue EOC-3 (Vondrak+, 2007) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/509/A3 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/509/A3 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/509/A3 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/509/A3 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/509/A3 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/509/A3 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/509/A3/eoc4 (IV version of Earth Orientation Catalogue) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/509/A3/eoc4? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/509/A3/eoc4? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/509/A3/eoc4? 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22615 22711 22759 22772 22790 22822 22854 22862 22884 22888-22889 22900 22911 22920 22958 22964 22966 23007 23076 23081 23102 23115 23190-23191 23201 23230 23243 23281 23298 23323 23339 23358 23360 23369 23383 23392 23405 23411 23423 23426 23442 23451 23483 23502-23503 23514 23518 23533 23540 23547 23552 23576 23611 23621 23637 23644 23647 23655 23675 23717 23753 23765 23769 23776 23820 23864 23875-23876 23880 23901 23922 23932 23963 23974 23980 23990 23996-23997 24004 24010 24020 24023 24027-24028 24030 24043 24048 24050 24063 24085 24093 24108 24114 24144 24151 24160 24164 24179 24183 24186 24191 24207 24212 24221 24223 24268 24299 24315 24326 24333 24338-24340 24343 24347 24350 24357-24359 24361 24363-24364 24370 24372 24379 24384-24386 24400 24411 24415 24420 24442 24449-24451 24467 24480 24488 24494 24497 24502 24504 24519 24524-24525 24545 24557-24558 24565-24566 24569-24570 24598 24602 24604 24614 24617-24619 24624 24640 24799 24924 25016 25071 25182 25199 25304 25487 25571 25617 25659 25686 25708 25776 25789 25805 25816 25830 25854 25902 25930 25941 25973 26014 26024 26033 26078 26120 26141 26145 26194 26254 26287 26302 26320 26364 26378 26381 26412 26419 26432 26450 26492 26521 26548 26552 26562 26575 26676 26754 26758 26783 26855 26867 26879 26929 26959 26975 26990 27006 27013 27040 27078 27082 27088 27102 27106 27130 27178 27198 27268 27322 27331 27366 27386 27444 27464 27498 27506 27553 27574 27604 27610 27619 27663 27678 27694 27699 27735 27740 27752 27756 27794 27850 27863 27884 27887 27890 27893 27910 27930 27955-27957 27962 27978 27980 28019 28044 28049 28062 28077 28093 28104 28106-28107 28126 28128 28137 28141-28142 28146 28148 28150-28151 28172-28173 28189 28191 28197 28208 28252 28257 28274 28276 28282 28305 28316 28324 28342 28352 28364 28383 28390 28395-28397 28400-28401 28436 28439 28443 28445 28455 28459 28464 28480 28486-28487 28494 28513 28516-28517 28522 28537 28539 28543-28544 28556 28593 28605 28611 28643 28649 28653 28661 28664-28665 28670 28693 28695 28699-28700 28709 28711 28716 28720 28800 29089 29161 29208 29255 29311 29525 29533 29550 29582 29589 29712 29729 29774 29876 29923 30014 30024-30025 30029 30035 30083 30114 30128 30171 30210 30234 30274 30294 30304 30339 30343 30358 30398 30439-30440 30475 30518 30529 30543-30544 30546 30567 30593 30623 30643 30655 30665 30798 30845 30878 30893 30914 30958 30965 30995 31039 31078 31149 31160 31169 31187 31230 31281 31325 31373 31408 31444 31448 31472 31475 31507 31531 31544 31576 31600 31619 31650 31664 31686 31709 31716 31735 31745 31756 31760 31763 31776 31784 31789 31821 31830 31849 31929 31956 31987 32023-32024 32061 32085 32095 32133 32142 32145 32174 32182 32192 32196 32198 32208 32220 32222 32227 32231-32232 32235-32237 32240 32243 32258 32288 32311 32321 32336 32339 32348 32357 32364 32383-32384 32397 32406 32433 32458 32466 32471-32472 32475 32477 32491-32493 32496-32497 32507 32513 32519 32522 32533 32539-32540 32551 32554-32556 32558 32560 32562 32575 32578 32590 32602 32604 32610 32612-32613 32617 32621 32640 32645 32662 32688 32725 32731-32732 32737 32745 32754 32757 32759 32762 32764 33251 33471 33584 33589 33777 33822 33849 33910 33935 33965 33976 34041 34051 34132 34156 34263 34265-34266 34279 34281-34283 34353 34392 34517-34518 34523-34524 34533 34535 34581-34582 34588 34598 34601-34602 34608 34640 34688 34730 34873 34994 35025 35077 35080 35095 35118 35130 35226 35264 35291 35307-35308 35312 35352 35358 35543 35545 35558 35564 35609 35611 35623 35627 35632 35676 35756 35863 35865 35877 35882 35888 35904 35968 35984 36145 36298 36317 36379 36433 36548 36564 36575 36676 36697 36711 36759 36787 37330 37341 37616 37669 37682 37732 37790 37907 37922 37927 37984 37990 38015 38029 38170 38296 38333 38357-38358 38363 38373 38377-38379 38384 38560 38614 38617 38619 38631 38633 38636 38640 38651 38667 38678 38693 38695 38699 38720 38730 38784 38875 38929 39008 39047 39075 39095 39149 39165 39170 39216 39233 39247 39373 39381-39383 39385 39387 39397 39399 39401 39403-39404 39525 39628 39639 39641 39644 39655 39657-39660 39664 39702-39703 39705-39706 39718 39722-39723 39728 39808 39868 39957-39958 39961 39975 39977 40000 40064 40213 40355 40421 40486 40654 40706 40757 40795 40838 40882 40943 41437 41705 41759 41839 41887 41939 41963 42010 42046 42081 42177 42183 42334 42356 42385 42457-42458 42471 42474 42640 42672 42687 42711 42713 42716 42725 42729 42732 42773 42778 42780 42791 42793-42794 42796 42800 43137 43165 43407 43463 43478-43479 43483 43493-43494 43497-43499 43531 43601 43630 43688 43739 43749-43750 43753 43755 43798 43802 43809 43813 43817-43818 43850 43904 44015 44059 44069-44070 44074-44076 44088 44096 44284 44305 44471 44502 44518 44569 44722 44785 44799 44883 44993 45032 45043 45530 45564 45567 45858 45874 45964 46131 46187 46337 46343 46459 46515 46549-46551 46553-46554 46567 46569 46576 46615 46640 46707 46725 46768 46802 46805-46807 46810 46812 46822 46827-46828 46851 46870-46871 46874-46876 46887 46889 47121 47126 47140 47205 47298 47318 47514 47574 47577 47589 47591 47593 47595-47596 47600 47672 47714 47740 47829 47831 47834-47835 47847 47851-47852 47894 47897-47898 47911 47916 47920 47936 48051 48150 48155 48167 48170-48172 48176 48192 48302 48344 48572 48587 48589 48636 48753 48804 48814 48886 48900 48963 49047 49049 49060 49121 49123 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/509/A3?format=ascii Optical default J/A+A/509/A3/eoc4 IV version of Earth Orientation Catalogue s2D s2D coefficient (1) arcsec stat.param float mag Apparent magnitude mag phot.mag;em.opt float recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Seq Star number meta.id;meta.main int RAsec Right ascension (ICRS, Ep=J2000) deg pos.eq.ra;meta.main e_RAsec rms uncertainty in RA at EpRA multiplied by cos(declination) mas stat.error;pos.eq.ra float DEsec Declination (ICRS, Ep=J2000) deg pos.eq.dec;meta.main e_DEsec rms uncertainty in DEsec at EpDE mas stat.error;pos.eq.dec float pmRA Proper motion in right ascension multiplied by cos(declination) (pmRA*cos(DE)) arcsec/yr pos.pm;pos.eq.ra double e_pmRA rms uncertainty in pmRA mas/yr stat.error;pos.pm;pos.eq.ra float pmDE Proper motion in declination arcsec/yr pos.pm;pos.eq.dec double e_pmDE rms uncertainty in pmDE mas/yr stat.error;pos.pm;pos.eq.dec float EpRA Epoch of RA (offset 1900) yr time.epoch;pos.eq.ra float EpDE Epoch of DE (offset 1900) yr time.epoch;pos.eq.dec float plx Trigonometric parallax arcsec pos.parallax.trig float RV Radial velocity km/s spect.dopplerVeloc;pos.heliocentric float P1 Period P1 (1/f1) (1) yr time.period float P2 Period P2 (1/f2) (1) yr time.period float c1R c1R coefficient (1) arcsec stat.param float s1R s1R coefficient (1) arcsec stat.param float c2R c2R coefficient (1) arcsec stat.param float s2R s2R coefficient (1) arcsec stat.param float c3R c3R coefficient (1) arcsec stat.param float s3R s3R coefficient (1) arcsec stat.param float c4R c4R coefficient (1) arcsec stat.param float s4R s4R coefficient (1) arcsec stat.param float c1D c1D coefficient (1) arcsec stat.param float s1D s1D coefficient (1) arcsec stat.param float c2D c2D coefficient (1) arcsec stat.param float c3D c3D coefficient (1) arcsec stat.param float s3D s3D coefficient (1) arcsec stat.param float c4D c4D coefficient (1) arcsec stat.param float s4D s4D coefficient (1) arcsec stat.param float e_ARA rms uncertainty in amplitudes of RA mas stat.error float e_ADE rms uncertainty in amplitudes of DE mas stat.error float AE [0/3] Astrometric excellency (2) meta.code.qual int CAT Astrometric Catalogue (3) meta.id char BS [ABPQ] Binary system (4) meta.code.multip char PF [1/3]? How the periods were found out (5) meta.note int nullable