Abstract
We present a preliminary analysis of medium resolution optical spectra of comet C/2000 WM1 (LINEAR) obtained on 22 November 2001. The emission lines of the molecules C2, C3, CN, NH2, H2O+ and presumably CO (Asundi and triplet bands) and C2 − were identified in these spectra. By analysing the brightness distributions of the C2, C3, CN emission lines along the slit of the spectrograph we determined some physical parameters of these neutrals, such as their lifetimes and expansion velocities in the coma. The Franck—Condon factors for the CO Asundi hands and C2 − bands were calculated using a Morse potential model.
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Churyumov, K.I., Luk’yanyk, I.V., Berezhnoi, A.A., Chavushyan, V.H., Sandoval, L.S., Palma, A.A. (2002). Optical Spectroscopy of Comet C/2000 WM1 (LINEAR) at the Guillermo Haro Astrophysical Observatory in Mexico. In: Boehnhardt, H., Combi, M., Kidger, M.R., Schulz, R. (eds) Cometary Science after Hale-Bopp. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1088-6_35
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DOI: https://doi.org/10.1007/978-94-017-1088-6_35
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