Web Vectorial Model: References

• The density distribution of neutral compounds in cometary atmospheres. I - Models and equations, Festou, M. C. 1981, Astronomy and Astrophysics, vol. 95, no. 1, Feb. 1981, p. 69-79. (the original paper in which the model is fully described)
• The density distribution of neutral compounds in cometary atmospheres. II - Production rate and lifetime of OH radicals in Comet Kobayashi-Berger-Milon /1975 IX/, Festou, M. C. 1981, Astronomy and Astrophysics, vol. 96, no. 1-2, Mar. 1981, p. 52-57. (the first example where the VM is applied to an actual case, the OH observations of comet KBM)

The Haser Model: References

• Distribution d'intensité dans la tête d'une comète, Haser Ludwig, 1957, Bull. Acad. Roy. de Belgique, Classes des Sciences, Sér. 5, 43, 740-750. (the original paper that presents the Haser formalism)
• Calcul de distribution d'intensité relative dans une tête cométaire, Haser L., 1965, Mém. Soc. Roy. Sci. Liège, Sér. 5, 12, 233-241. (an extension of the original paper in which the effect of radiation pressure is taken into account)

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Michel Festou and Joel Parker (joel@boulder.swri.edu)