Optical Spectroscopy of Comet C/2000 WM1 (LINEAR) at the Guillermo Harro Astrophysical Observatory in Mexico

Details Optical Spectroscopy of Comet C/2000 WM1 (LINEAR) at the Guillermo Harro Astrophysical Observatory in Mexico Optical Spectroscopy of Comet C/2000 WM1 (LINEAR) at the Guillermo Harro Astrophysical Observatory in Mexico

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002em%26p...90..361c&link_type=abstract

Earth, Moon, and Planets, v. 90, Issue 1, p. 361-368 (2002).

Physics

C2, C3, Cn, Comet C/2000 Wm1 (Linear), Expansion Velocity, Franck-Condon Factors, Negative Ions, Optical Spectroscopy

Scientific paper

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 bands and C2- bands were calculated using a Morse potential model.

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