First Constraints on Rings in the Pluto System
@article{Steffl2007FirstCO,
title={First Constraints on Rings in the Pluto System},
author={A. Steffl and S. A. Stern},
journal={The Astronomical Journal},
year={2007},
volume={133},
pages={1485-1489}
}Simple theoretical calculations have suggested that small-body impacts onto Pluto's newly discovered small satellites, Nix and Hydra, are capable of generating time-variable rings or dust sheets in the Pluto system. Using Hubble Space Telescope ACS data obtained on 2006 February 15 and 2006 March 2, we find no observational evidence for such a ring system and present the first constraints on the present-day I/F and optical depth of a putative ring system, where I is the observed intensity and… CONTINUE READING
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