Observations of hydrogen cyanide in comet halley
Abstract
The J 1→0 line of HCN at 88.6 GHz was detected in comet Halley during the Nov. 19 - Dec. 3, 1985 period. The observed line width corresponds to a coma expansion velocity of 0.85 km s-1. The average HCN production rate was 5x1025s-1.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- May 1986
- Bibcode:
- 1986A&A...160L..11D
- Keywords:
-
- Astronomical Spectroscopy;
- Cometary Atmospheres;
- Halley'S Comet;
- Hydrocyanic Acid;
- Radio Spectra;
- Millimeter Waves;
- Molecular Spectra;
- Spectral Line Width;
- Astrophysics