Absolute spectrophotometry of Comets 1973XII and 1975IX. II - Profiles of the Swan bands

Details Absolute spectrophotometry of Comets 1973XII and 1975IX. II - Profiles of the Swan bands Absolute spectrophotometry of Comets 1973XII and 1975IX. II - Profiles of the Swan bands

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978icar...35..112d&link_type=abstract

Icarus, vol. 35, July 1978, p. 112-120. Research supported by the National Research Council of Canada.

Astronomy and Astrophysics

Astronomy

6

Abundance, Astronomical Spectroscopy, Comets, Spectrophotometry, Spectrum Analysis, Swan Bands, Carbon, Chemical Composition, Cyanides, Electron Energy, Graphs (Charts), Molecular Rotation, Tables (Data), Vibrational Spectra

Scientific paper

Absolute spectrophotometric measurements of the Swan bands of two comets have been compared with computed synthetic spectra using modern Franck-Condon and Hoenl-London factors, and varying rotational, vibrational, and electronic excitation temperatures. Rotational and vibrational temperatures were obtained for the comets. Although the electronic excitation temperature and the molecular column density cannot be separated, a relationship is found between these two quantities. A review is made of recent determinations of column densities for CN in comets.

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