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Col-OSSOS: The Colors of the Outer Solar System Origins Survey

  • Authors: Megan E. Schwamb, Wesley C. Fraser, Michele T. Bannister, Michaël Marsset, Rosemary E. Pike, J. J. Kavelaars, Susan D. Benecchi, Matthew J. Lehner, Shiang-Yu Wang, Audrey Thirouin, Audrey Delsanti, Nuno Peixinho, Kathryn Volk, Mike Alexandersen, Ying-Tung Chen, Brett Gladman, Stephen D. J. Gwyn, and Jean-Marc Petit

2019 The Astrophysical Journal Supplement Series 243 12.

  • Provider: AAS Journals

Caption: Figure 4.

Optical and NIR colors of the 35 TNOs in the Col-OSSOS first-release sample (all mr < 23.6 TNOs in the OSSOS 13BL and 14BH survey blocks). The dashed curve indicates the reddening line; see Section 6.1 for details. Three objects, 2013 SQ99, 2014 UD225, and 2016 BP81 (blue squares), have cold classical orbits (main Kuiper Belt with i < 5°; red squares) and have been previously identified as widely separated binaries. The object 2013 UQ15 (magenta triangle) is dynamically consistent with the Haumea family. Excited TNOs (black circles) belong to the Centaur, scattering, resonant, and hot classical dynamical populations. The two measurements of the two reobserved targets, neutral hot classical 2013 SA100 and red cold classical 2013 UN15, are linked by dashed gray lines (the color measurements at each of the two observation epochs are reported in Table 1). The solar color, with g − r = 0.45 and r − J = 0.97, is shown by the yellow star.

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