Spectrophotometry of Comet Bradfield (1987s)

Details Spectrophotometry of Comet Bradfield (1987s) Spectrophotometry of Comet Bradfield (1987s)

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989em%26p...44....1o&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 44, Jan. 1989, p. 1-5.

Physics

Optics

3

Astronomical Spectroscopy, Comets, Molecular Spectra, Spectrophotometry, Cassegrain Optics, Cyano Compounds, Emission Spectra, Luminosity

Scientific paper

Spectrophotometric observations of Comet Bradfield (1987s) were obtained at a heliocentric distance of 1.539 AU on January 20, 1988 using a spectral scanner. The column densities and production rates of the C2 and CN molecules were determined based on the band fluxes of the respective molecular species, and the radial velocity of the comet was calculated on the basis of previous IAU orbital elements for the comet. The observed production rates for C2 and CN are found to follow the linear trend proposed by Rautela and Sanwal (1988), suggesting that these molecular species vary systematically with heliocentric distance.

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