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THE OUTER SOLAR SYSTEM ORIGINS SURVEY. I. DESIGN AND FIRST-QUARTER DISCOVERIES

Michele T. Bannister, J. J. Kavelaars, Jean-Marc Petit, Brett J. Gladman, Stephen D. J. Gwyn, Ying-Tung Chen, Kathryn Volk, Mike Alexandersen, Susan D. Benecchi, Audrey Delsanti, Wesley C. Fraser, Mikael Granvik (+27 others)
2016 Astronomical Journal  

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2016 accepted
arXiv:1511.02895v2 fatcat:rkorg23scndhvdtyelpbinudey
2015 pre-print
arXiv:1511.02895v1 fatcat:27rodrykljfa3agfdm3z5vfehi
We report the discovery, tracking and detection circumstances for 85 trans-Neptunian objects (TNOs) from the first 42 deg^2 of the Outer Solar System Origins Survey (OSSOS). This ongoing r-band Solar System survey uses the 0.9 deg^2 field-of-view MegaPrime camera on the 3.6 m Canada-France-Hawaii Telescope. Our orbital elements for these TNOs are precise to a fractional semi-major axis uncertainty <0.1%. We achieve this precision in just two oppositions, as compared to the normal 3-5
more » ... , via a dense observing cadence and innovative astrometric technique. These discoveries are free of ephemeris bias, a first for large trans-Neptunian surveys. We also provide the necessary information to enable models of TNO orbital distributions to be tested against our TNO sample. We confirm the existence of a cold "kernel" of objects within the main cold classical Kuiper belt, and infer the existence of an extension of the "stirred" cold classical Kuiper belt to at least several AU beyond the 2:1 mean motion resonance with Neptune. We find that the population model of Petit et al. (2011) remains a plausible representation of the Kuiper belt. The full survey, to be completed in 2017, will provide an exquisitely characterized sample of important resonant TNO populations, ideal for testing models of giant planet migration during the early history of the Solar System.
doi:10.3847/0004-6256/152/3/70 fatcat:cdxxtwrynfc4xfho3oxbqd5n7a
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Citation

Michele T. Bannister, J. J. Kavelaars, Jean-Marc Petit, Brett J. Gladman, Stephen D. J. Gwyn, Ying-Tung Chen, Kathryn Volk, Mike Alexandersen, Susan D. Benecchi, Audrey Delsanti, Wesley C. Fraser, Mikael Granvik, Will M. Grundy, Aurélie Guilbert-Lepoutre, Daniel Hestroffer, Wing-Huen Ip, Marian Jakubik, R. Lynne Jones, Nathan Kaib, Catherine F. Kavelaars, Pedro Lacerda, Samantha Lawler, Matthew J. Lehner, Hsing Wen Lin, Tim Lister, Patryk Sofia Lykawka, Stephanie Monty, Michael Marsset, Ruth Murray-Clay, Keith S. Noll, Alex Parker, Rosemary E. Pike, Philippe Rousselot, David Rusk, Megan E. Schwamb, Cory Shankman, Bruno Sicardy, Pierre Vernazza, Shiang-Yu Wang. "THE OUTER SOLAR SYSTEM ORIGINS SURVEY. I. DESIGN AND FIRST-QUARTER DISCOVERIES." Astronomical Journal (2016) 70