Carbon Monoxide in the Distantly Active Centaur (60558) 174P/Echeclus at 6 au

  title={Carbon Monoxide in the Distantly Active Centaur (60558) 174P/Echeclus at 6 au},
  author={Kacper Wierzchoś and M. Womack and Gal Sarid Physics and University of Central Florida and Florida Space Institute and University of Central Florida},
  journal={The Astronomical Journal},
(60558) 174P/Echeclus is an unusual object that belongs to a class of minor planets called Centaurs, which may be intermediate between Kuiper Belt Objects and Jupiter Family comets. It is sporadically active throughout its orbit at distances too far for water ice to sublimate, the source of activity for most comets. Thus, its coma must be triggered by another mechanism. In 2005, Echeclus had a strong outburst with peculiar behavior that raised questions about the nucleus homogeneity. In order… 

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