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On the Detection of HONO in Space
A. Coutens, N. F. W. Ligterink, J.-C. Loison, V. Wakelam, H. Calcutt,
M. N. Drozdovskaya, J. K. Jørgensen, H. S. P. Müller, E. F. van Dishoeck,
and S. F. Wampfler
reported on the
The ALMA-PILS survey: First detection of nitrous acid (HONO) in the interstellar medium
Astron. Astrophys. 623 (2019), Art. No. L13.
15 lines, mostly between 329.5 and 362.4 GHz with 13 ≤ <i>J</i> ≤ 17 and <i>Ka</i> ≤ 6
were detected with ALMA in emission toward the Solar-type protostar IRAS 16293–2422 B. The inferred rotational
temperature is about 100 K, and the NO/HONO ratio is about 22.
Contributor(s): H. S. P. Müller; 03, 2019