TY - JOUR
T1 - OSSOS. VII. 800+ Trans-neptunian objects-The complete data release
AU - Bannister, Michele T.
AU - Gladman, Brett J.
AU - Kavelaars, J. J.
AU - Petit, Jean Marc
AU - Volk, Kathryn
AU - Chen, Ying Tung
AU - Alexandersen, Mike
AU - Gwyn, Stephen D.J.
AU - Schwamb, Megan E.
AU - Ashton, Edward
AU - Benecchi, Susan D.
AU - Cabral, Nahuel
AU - Dawson, Rebekah I.
AU - Delsanti, Audrey
AU - Fraser, Wesley C.
AU - Granvik, Mikael
AU - Greenstreet, Sarah
AU - Guilbert-Lepoutre, Aurélie
AU - Ip, Wing Huen
AU - Jakubik, Marian
AU - Jones, R. Lynne
AU - Kaib, Nathan A.
AU - Lacerda, Pedro
AU - Laerhoven, Christa Van
AU - Lawler, Samantha
AU - Lehner, Matthew J.
AU - Lin, Hsing Wen
AU - Lykawka, Patryk Sofia
AU - Marsset, Michaël
AU - Murray-Clay, Ruth
AU - Pike, Rosemary E.
AU - Rousselot, Philippe
AU - Shankman, Cory
AU - Thirouin, Audrey
AU - Vernazza, Pierre
AU - Wang, Shiang Yu
N1 - Funding Information:
M.T.B. appreciates support during OSSOS from UK STFC grant ST/L000709/1, the National Research Council of Canada, and the National Science and Engineering Research Council of Canada. K.V. acknowledges support from NASA grants NNX14AG93G and NNX15AH59G. R.I.D. acknowledges the Center for Exopla-nets and Habitable Worlds, which is supported by the Pennsylvania State University, the Eberly College of Science, and the Pennsylvania Space Grant Consortium. M.J. acknowledges support from the Slovak Grant Agency for Science (grant VEGA No. 2/0037/18). S.M.L. gratefully acknowledges support from the NRC-Canada Plaskett Fellowship. M.E.S. was supported by Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., on behalf of the international Gemini partnership of Argentina, Brazil, Canada, Chile, and the United States of America. MES was also supported in part by an Academia Sinica Postdoctoral Fellowship.
Publisher Copyright:
© 2018. The American Astronomical Society. All rights reserved.
PY - 2018/5
Y1 - 2018/5
N2 - The Outer Solar System Origins Survey (OSSOS), a wide-field imaging program in 2013-2017 with the Canada-France-Hawaii Telescope, surveyed 155 deg2 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 ∼ 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 σ a ≤ 0.1%; they show that the belt exists from a 37 au, with a lower perihelion bound of 35 au. We confirm the presence of a concentrated low-inclination a ≃ 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.
AB - The Outer Solar System Origins Survey (OSSOS), a wide-field imaging program in 2013-2017 with the Canada-France-Hawaii Telescope, surveyed 155 deg2 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 ∼ 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 σ a ≤ 0.1%; they show that the belt exists from a 37 au, with a lower perihelion bound of 35 au. We confirm the presence of a concentrated low-inclination a ≃ 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.
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U2 - 10.3847/1538-4365/aab77a
DO - 10.3847/1538-4365/aab77a
M3 - Article
AN - SCOPUS:85047242402
SN - 0067-0049
VL - 236
JO - Astrophysical Journal, Supplement Series
JF - Astrophysical Journal, Supplement Series
IS - 1
M1 - 18
ER -