Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..371..210r&link_type=abstract
Statistical Challenges in Modern Astronomy IV ASP Conference Series, Vol. 371, proceedings of the conference held 12-15 June 200
Astronomy and Astrophysics
Astronomy
1
Scientific paper
There are now almost 1200 cataloged minor bodies in the outer solar system. There is a rich dynamical diversity, with the Centaurs crossing the orbits of the outer planets, Plutinos in resonant orbits with Neptune (as is Pluto), the classical KBOs (CKBOs) in near circular orbits away from the resonant effects of Neptune, and scattered disk objects (SDOs) possessing eccentric orbits with large perihelia, presumably scattered from smaller orbits. We have been measuring the optical colors of these objects for the last 10 years and now have measured colors for a sample of about 120 objects. I will discuss our findings concerning several questions: (1) Do the different dynamical classes have statistically different color distributions? (2) Do these objects have a bimodal or a unimodal color distribution?
Romanishin William
Tegler Stephen C.
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