NASA NTRS · 19930059192
Search for H2D(+) at 372 GHz in dense interstellar clouds
Abstract
The 1(10)-1(11) transition of ortho-H2D(+) at 372 GHz has been sought in several dark clouds. The transition was not detected; the best upper limits obtained are about 0.3 K (3 sigma). We derive upper limits for the ortho-H2D(+) column density and briefly discuss their meaning in comparison with a simple chemical model we have developed (Pagani et al., 1992).
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Pagani, L., Wannier, P. G., Frerking, M. A., Kuiper, T. B. H., Gulkis, S., Zimmermann, P., Encrenaz, P. J., Whiteoak, J. B., Destombes, J. L., Pickett, H. M.. 1992-05-01. Search for H2D(+) at 372 GHz in dense interstellar clouds. https://ntrs.nasa.gov/citations/19930059192
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