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Comparative study of activity of the near-parabolic orbitcomet C/1977 R1 (Kohler)

de Almeida, A. A.; Sanzovo, G. C.; de Araújo, L. F.

Kohler is considered a case of young, nearly parabolic comet. In this work we deduce, semi-empirically, water and hydroxyl production rates from the photometric observations of this comet taken from the Archive of Photometric Data on Comets and British Astronomical Society archives. Our results are being compared with those obtained from radio obs…