1985 PM. Discovered 1985 Aug. 14 by E. Bowell at Anderson Mesa.

Named in honor of Michel C. Festou of the Observatoire Midi-Pyrenees, Toulouse, for his extensive and wide-ranging studies of comets, both theoretical and observational. Festou was the first to calculate a vectorial model for the dissociation of water in cometary comae, and he has made major contributions to the theoretical understanding of emission by various species, including, for example, [O I] and CN. He has been a preeminent practitioner of ultraviolet spectroscopy of comets, identifying features due to OH+, CO2 + and [O I] , and he has also contributed numerous ground-based observations of comets. (M 18462)

Citation provided by Michael F. A'Hearn at the request of the discoverer.

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