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    OSSOS. VII. 800+ Trans-Neptunian Objects—The Complete Data Release

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    Bannister_2018_ApJS_236_18.pdf
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    Description:
    Final Published version
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    Author
    Bannister, Michele T. cc
    Gladman, Brett J.
    Kavelaars, J. J. cc
    Petit, Jean-Marc cc
    Volk, Kathryn cc
    Chen, Ying-Tung cc
    Alexandersen, Mike
    Gwyn, Stephen D. J.
    Schwamb, Megan E. cc
    Ashton, Edward
    Benecchi, Susan D.
    Cabral, Nahuel
    Dawson, Rebekah I. cc
    Delsanti, Audrey
    Fraser, Wesley C. cc
    Granvik, Mikael
    Greenstreet, Sarah
    Guilbert-Lepoutre, Aurélie
    Ip, Wing-Huen
    Jakubik, Marian
    Jones, R. Lynne
    Kaib, Nathan A.
    Lacerda, Pedro cc
    Laerhoven, Christa Van
    Lawler, Samantha
    Lehner, Matthew J. cc
    Lin, Hsing Wen cc
    Lykawka, Patryk Sofia
    Marsset, Michaël
    Murray-Clay, Ruth
    Pike, Rosemary E. cc
    Rousselot, Philippe
    Shankman, Cory
    Thirouin, Audrey
    Vernazza, Pierre
    Wang, Shiang-Yu
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    Affiliation
    Univ Arizona, Lunar & Planetary Lab
    Issue Date
    2018-05
    Keywords
    Kuiper belt: general
    surveys
    
    Metadata
    Show full item record
    Publisher
    IOP PUBLISHING LTD
    Citation
    Michele T. Bannister et al 2018 ApJS 236 18
    Journal
    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
    Rights
    © 2018. The American Astronomical Society. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The Outer Solar System Origins Survey (OSSOS), a wide-field imaging program in 2013-2017 with the Canada-France-Hawaii Telescope, surveyed 155 deg(2) of sky to depths of m(r) = 24.1-25.2. We present 838 outer solar system discoveries that are entirely free of ephemeris bias. This increases the inventory of trans-Neptunian objects (TNOs) with accurately known orbits by nearly 50%. Each minor planet has 20-60 Gaia/Pan-STARRS-calibrated astrometric measurements made over 2-5 oppositions, which allows accurate classification of their orbits within the trans-Neptunian dynamical populations. The populations orbiting in mean-motion resonance with Neptune are key to understanding Neptune's early migration. Our 313 resonant TNOs, including 132 plutinos, triple the available characterized sample and include new occupancy of distant resonances out to semimajor axis a similar to 130 au. OSSOS doubles the known population of the nonresonant Kuiper Belt, providing 436 TNOs in this region, all with exceptionally high-quality orbits of a uncertainty sigma(a) <= 0.1%; they show that the belt exists from a greater than or similar to 37 au, with a lower perihelion bound of 35 au. We confirm the presence of a concentrated low-inclination a similar or equal to 44 au "kernel" population and a dynamically cold population extending beyond the 2:1 resonance. We finely quantify the survey's observational biases. Our survey simulator provides a straightforward way to impose these biases on models of the trans-Neptunian orbit distributions, allowing statistical comparison to the discoveries. The OSSOS TNOs, unprecedented in their orbital precision for the size of the sample, are ideal for testing concepts of the history of giant planet migration in the solar system.
    ISSN
    1538-4365
    DOI
    10.3847/1538-4365/aab77a
    Version
    Final published version
    Sponsors
    UK STFC grant [ST/L000709/1]; National Research Council of Canada; National Science and Engineering Research Council of Canada; NASA [NNX14AG93G, NNX15AH59G]; Pennsylvania State University; Eberly College of Science; Pennsylvania Space Grant Consortium; Slovak Grant Agency for Science (grant VEGA) [2/0037/18]; NRC-Canada Plaskett Fellowship; Gemini Observatory; Academia Sinica Postdoctoral Fellowship
    Additional Links
    http://stacks.iop.org/0067-0049/236/i=1/a=18?key=crossref.40600202327b751a1c98854d15e06065
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-4365/aab77a
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