Astrometry of Pluto and trans-Neptunian objects J/AJ/152/80 ivo://CDS.VizieR/J/AJ/152/80 doi:10.26093/cds/vizier.51520080 CDS Holman M.J. Payne M.J. 2017-06-29T08:56:05Z 2017-04-25T14:14:07Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr solar-system asteroids astrometry We use astrometry of Pluto and other trans-neptunian objects to constrain the sky location, distance, and mass of the possible additional planet (Planet Nine) hypothesized by Batygin & Brown. We find that over broad regions of the sky, the inclusion of a massive, distant planet degrades the fits to the observations. However, in other regions, the fits are significantly improved by the addition of such a planet. Our best fits suggest a planet that is either more massive or closer than argued for by Batygin & Brown based on the orbital distribution of distant trans-neptunian objects (or by Fienga et al. based on range measured to the Cassini spacecraft). The trend to favor larger and closer perturbing planets is driven by the residuals to the astrometry of Pluto, remeasured from photographic plates using modern stellar catalogs, which show a clear trend in decl. over the course of two decades, that drive a preference for large perturbations. Although this trend may be the result of systematic errors of unknown origin in the observations, a possible resolution is that the decl. trend may be due to perturbations from a body, in addition to Planet Nine, that is closer to Pluto but less massive than Planet Nine. 2016AJ....152...80H https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/152/80 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to B/astorb : Orbits of Minor Planets (Bowell+ 2014) J/AJ/149/22 : Astrometry of Pluto from 1930-1951 observations (Buie+, 2015) J/A+A/570/A86 : Pluto astrometry from 19yrs obs. (Benedetti-Rossi+, 2014) J/A+A/515/A32 : Pluto, Charon, Nix, Hydra occultations 2008-15 (Assafin+, 2010) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/152/80 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/152/80 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/152/80 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/152/80 https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/152/80 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/152/80 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/AJ/152/80/obs (Observations of Pluto and other trans-neptunian objects (TNOs) in the standard Minor Planet Center (MPC) 1992 astrometric format) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/152/80/obs? https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/152/80/obs? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/152/80/obs? GET text/xml+votable 180.0 50000 true 0.30329167 0.14741667 0.005555555555555556 4/40 1149 1160 1605 1606 1611 1633 1642 2687 2772 2799 2800 5/58 61 62 63 75 77 78 81 82 88 91 93 99 100 102 103 106 110 112 114 120 121 133 137 138 139 140 142 144 145 164 256 258 525 526 530 536 1063 1079 1085 1087 1092 1097 1099 1104 1120 1121 1122 1124 1128 1129 1135 1144 1172 1173 1174 1177 1178 1179 1191 1195 1197 1198 1199 1200 1203 1204 1537 1538 1544 2218 4343 4348 4407 4422 4423 4443 4453 4501 4502 4508 4516 4519 4521 4522 4523 4524 4525 4526 4530 4531 4532 4536 4540 4558 4559 4570 4575 4576 4577 4580 4581 4582 4595 4618 4621 4629 4632 4634 4635 4637 4644 4647 4656 4672 4675 4678 4680 4681 4689 4690 4691 4692 4693 4715 4867 4895 5060 5798 5801 5861 5862 5981 5983 6005 6059 6061 6062 6072 6417 6419 6428 6430 6438 6439 6449 6451 6452 6456 6464 6537 6539 6540 6542 6543 6550 6561 6562 6563 6564 6743 6771 6773 6777 6779 6782 6787 6865 6867 6872 6875 6876 6887 6895 6896 6898 6904 6906 6920 7129 7247 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48525 48528 48530 48531 48533 48534 48535 48536 48537 48539 48547 48550 48553 48554 48560 48561 48563 48576 48585 48586 48593 48594 48595 48616 48617 48619 48621 48622 48628 48629 48630 48632 48637 48653 48654 48658 48660 48661 48673 48678 48680 48685 48686 48689 48690 48691 48692 48702 48711 48712 48717 48718 48719 48722 48723 48725 48726 48727 48738 48739 48756 48758 48759 48760 48761 48762 48766 48769 48770 48774 48775 48778 48781 48782 48783 48784 48787 48789 48791 48792 48794 48795 48796 48797 48798 48801 48802 48804 48807 48808 48809 48833 48834 48846 48851 48853 48894 48900 48901 48902 48904 48905 48906 48912 48913 48918 48924 48929 48931 48932 48939 48944 48962 48965 48966 48968 48975 48976 49038 49058 49059 49061 49062 49064 49079 49122 49146 49147 49149 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/152/80?format=ascii default J/AJ/152/80/obs Observations of Pluto and other trans-neptunian objects (TNOs) in the standard Minor Planet Center (MPC) 1992 astrometric format recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Planet Minor planet number meta.id;meta.main char Prov Provisional or temporary designation meta.id char Dis [*] Indicates a discovery or new/unidentified observation meta.code char Code The list of standard codes used for observations of minor planets is given in each batch of Minor Planet Centers (MPCs) meta.code char A [A] Adjusted observation flag (2) meta.code char R [CEc] Flag on observation reduced in the J2000.0 system (C, E, or c) (3) meta.code.error char X [X] Already-filed observation flag (4) meta.code.error;obs.param;obs char Bin [ab] Binary flag (a or b) meta.code char Date Date of the observation (YYYY:MM:DD.dddddd) time.epoch char RAJ2000 Hour of Right Ascension (J2000) pos.eq.ra;meta.main indexed e_RAJ2000 Uncertainty in RAs arcsec stat.error;pos.eq.ra float DEJ2000 Degree of Declination (J2000) pos.eq.dec;meta.main e_DEJ2000 Uncertainty in DEs arcsec stat.error;pos.eq.dec float ORef Original Minor Planet Center (MPC) discovery reference (5) meta.bib char mag [14.7/27.6]? Observed magnitude in Filter mag phot.mag float nullable Flt [CIRVgirwz] Filter used in the observation (V, R, I, C, g, r, i, z, or w) instr.setup;obs char CRef Correct MPC discovery reference meta.bib char Obs Observatory code (6) meta.code;instr.obsty char Out [0/1] Outlier code (1=point was rejected as an outlier, 0=included in the final fit) meta.code int LC Light Curve meta.ref.url char