NASA NTRS · 19780031601
Radio detection of interstellar N2D/+/
Abstract
Line emission from the J = 1-0 transition of interstellar N2D(+) has been detected toward the cool dust cloud L134 N. The N2H(+)/N2D(+) total-projected-density ratio in this cloud is estimated to be about 2.22. Upper limits are obtained for the fractional ionization as well as the CO and N2 abundances in L134 N. The results are shown to support the previously discovered enhancement of the abundance of deuterated molecules in cool dust clouds.
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Snyder, L. E., Watson, W. D., Hollis, J. M., Buhl, D.. 1977-12-01. Radio detection of interstellar N2D/+/. https://ntrs.nasa.gov/citations/19780031601
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