Detection of the Ammonium Ion in Space

@article{Cernicharo2013DetectionOT,
  title={Detection of the Ammonium Ion in Space},
  author={J. Cernicharo and B. Tercero and A. Fuente and J. Dom{\'e}nech and M. Cueto and E. Carrasco and V. Herrero and I. Tanarro and N. Marcelino and E. Roueff and M. Gerin and J. Pearson},
  journal={arXiv: Astrophysics of Galaxies},
  year={2013}
}
We report on the detection of a narrow feature at 262816.73 MHz towards Orion and the cold prestellar core B1-bS, that we attribute to the 1(0)-0(0) line of the deuterated Ammonium ion, NH3D+. The observations were performed with the IRAM 30m radio telescope. The carrier has to be a light molecular species as it is the only feature detected over 3.6 GHz of bandwidth. The hyperfine structure is not resolved indicating a very low value for the electric quadrupolar coupling constant of Nitrogen… Expand

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