Hydrogen Isocyanide in Comet 73 P / Schwassmann-wachmann ( Fragment B )

@inproceedings{Lis2008HydrogenII,
  title={Hydrogen Isocyanide in Comet 73 P / Schwassmann-wachmann ( Fragment B )},
  author={Dariusz C. Lis and D Bockel{\'e}e-Morvan and J{\'e}r{\'e}mie Boissier and Jacques Crovisier and Nicolas Biver and Steven B. Charnley},
  year={2008}
}
We present a sensitive 3 upper limit of 1.1% for the HNC/HCN abundance ratio in comet 73P/SchwassmannWachmann (fragment B), obtained on 2006May 10Y11, using Caltech Submillimeter Observatory (CSO). This limit is a factor of 7 lower than the values measured previously in moderately active comets at 1 AU from the Sun. Comet 73P/Schwassmann-Wachmann was depleted in most volatile species, except of HCN. The low HNC/HCN ratio thus argues against HNC production from polymers produced fromHCN. However… CONTINUE READING
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