Submillimeter absorption from SH+, a new widespread interstellar radical, 13CH+ and HCl

@article{Menten2011SubmillimeterAF,
  title={Submillimeter absorption from SH+, a new widespread interstellar radical, 13CH+ and HCl},
  author={K. Menten and F. Wyrowski and A. Belloche and R. Guesten and L. Dedes and H. Mueller},
  journal={Astronomy and Astrophysics},
  year={2011},
  volume={525}
}
We have used the Atacama Pathfinder Experiment 12 m telescope (APEX) to carry out an absorption study of submillimeter wavelength rotational ground-state lines of H 35 Cl, H 37 Cl, 13 CH + , and, for the first time, of the SH + radical (sulfoniumylidene or sulfanylium). We detected the quartet of ground-state hyperfine structure lines of SH + near 683 GHz with the CHAMP+ array receiver against the strong continuum source Sagittarius B2, which is located close to the center of our Galaxy. In… Expand
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Discovery of interstellar mercapto radicals (SH) with the GREAT instrument on SOFIA
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Detection of CH+, SH+, and their 13C- and 34S- isotopologues toward PKS1830-211
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