Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990azh....67..908z&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 67, Sept.-Oct. 1990, p. 908-923. In Russian.
Astronomy and Astrophysics
Astronomy
8
Emission Spectra, Formyl Ions, Interstellar Matter, Line Spectra, Molecular Clouds, Abundance, Carbon Dioxide, Molecular Spectra, Nitric Acid
Scientific paper
Results of HCO(+) J = 1-0 observations of 38 molecular clouds associated with Sharpless regions are reported and analyzed. A correlation between HCO(+), CO, and HCN radiation temperature is found, and the HCO(+) line widths show a large scatter when compared with the corresponding HCN and CO line widths. Lower limits on the HCO(+) column densities and abundances are estimated in the optically thin approximation.
Krasil'Nikov A. A.
Kukina E. P.
Lapinov Alexander V.
Pirogov Lev E.
Zinchenko I. I.
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