Absolute spectrophotometry of Comet Kohoutek 1973f during post-perihelion passage

Details Absolute spectrophotometry of Comet Kohoutek 1973f during post-perihelion passage Absolute spectrophotometry of Comet Kohoutek 1973f during post-perihelion passage

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986em%26p...34...77g&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 34, Jan. 1986, p. 77-91.

Physics

10

Kohoutek Comet, Spectrophotometry, Coma, Continuous Radiation, Emission Spectra, Molecular Spectra, Perihelions, Radiance, Spectral Energy Distribution

Scientific paper

Absolute spectrophotometry of the coma of Comet Kohoutek 1973f during post-perihelion period has been presented for seven nights in January 1984. The moderately wide range of heliocentric distance (0.436-0.799 AU) covered during observations allowed the study of the flux variation of emission bands with heliocentric distance. The emission features of CN, CH, C2, C3 and NaI have been identified in this comet. The abundances of CN and C2 have been estimated and the production rates of CN, C2, and C3 have been derived. Production rates of CN and C2 seem to vary as r exp -0.33 and r exp -3.50 respectively. The continuum of the comet became redder as the heliocentric distance of the comet increased and phase angle decreased.

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