Hostname: page-component-7bb8b95d7b-s9k8s Total loading time: 0 Render date: 2024-09-28T18:36:26.037Z Has data issue: false hasContentIssue false

Excitation Processes in Cometary Comae

Published online by Cambridge University Press:  04 August 2017

P. D. Singh*
Affiliation:
Department of Astronomy, Institute of Astronomy & Geophysics, University of São Paulo, Av. Miguel Stefano 4.200, C.P.30.627, São Paulo, Cep. 04301, São Paulo, Brasil

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Excitations of cometary NH and S2 molecules are discussed. Photodissociation and dissociative electron recombination processes may be sources of meta-stable nitrogen (2Po, 2Do) atoms in comets.

Type
Comets
Copyright
Copyright © Reidel 1987 

References

Altenhoff, W.J., Batrla, W., Huchtmeier, W.K., Schmidt, J., Stumpff, P. and Walmsley, M.: 1983, Astron. Astrophys. 125, L19.Google Scholar
A'Hearn, M.F., Feldman, P.D. and Schleicher, D.G.: 1983, Ap. J., 274, L99.Google Scholar
Combi, M.R.: 1978, Astron. J., 83, 1459.Google Scholar
Cosmovici, C.B., Barbieri, C., Bonoli, C., Bortoletto, F. and Hamzaoglu, E.: 1982, Astron. Astrophys., 114, 373.Google Scholar
Cosmovici, C.B. and Ortolani, S.: 1984, Nature, 310, 122.Google Scholar
Cosmovici, C.B. and Ortolani, S.: 1980, Astron. Astrophys., 88, L16.Google Scholar
de Almeida, A.A. and Singh, P.D.: 1986, Moon & Plan, (in press).Google Scholar
Feldman, P.D., Weaver, H.A. and Festou, M.C.: 1984, Icarus, 60, 455.Google Scholar
Festou, M.C., Feldman, P.D. and Weaver, H.A.: 1982, Ap. J., 256, 122.CrossRefGoogle Scholar
Festou, M.C., Keller, H.U., Bertaux, J.L. and Barker, E.S.: 1983, Ap. J., 265, 925.CrossRefGoogle Scholar
Huebner, W.F. and Carpenter, C.W.: 1979, Los Alamos Sci. Lab., LA-8085-MS, Los Alamos, New Mexico 87545.Google Scholar
Johnson, J.R., Fink, U. and Larson, H.P.: 1983, Ap. J., 270, 769.Google Scholar
Jackson, W.M., Halpern, J.B., Feldman, P.D. and Rahe, J.: 1982, Astron. Astrophysics., 107, 385.Google Scholar
Jackson, W.M.: 1976, J. Photochem., 5, 107.Google Scholar
Liszt, H.S.: 1978, Ap. J., 219, 454.CrossRefGoogle Scholar
Litvak, M.M. and Kuiper, E.N.R.: 1982, Ap. J., 253, 622.Google Scholar
Lavendy, H., Gandara, G. and Robbe, J.M.: 1984, J. Mol. Spectrosc., 106, 395.Google Scholar
Millar, T.J.: 1982, MNRAS, 199, 309.Google Scholar
Queffelec, J.L., Rowe, B.R., Morlais, M., Gomet, J.C. and Vallee, F.: 1985, Plan. Sp. Sci., 33, 263.Google Scholar
Ricks, J.M. and Barrow, R.F.: 1969, Can. J. Phys., 47, 2423.Google Scholar
Smith, W.H., Brzozowski, J. and Erman, P.: 1976, J. Chem. Phys., 64, 4628.Google Scholar
Swings, P. and Haser, L.: 1956, ‘Atlas of Representative Cometary Spectra’.Google Scholar
Thaddeus, P. and Kutner, M.L.: 1972, Ap. J. Lett., 176, L75.Google Scholar
Venkitachalam, T.V. and Krishnamachari, S.L.N.G.: 1980, Ind. J. Phys., 54B, 282.Google Scholar
Weise, W.L., Smith, M.W. and Glenon, B.M.: 1966, ‘Atomic Transition Probabilities’, NSRDS-NBS-4.CrossRefGoogle Scholar
Weaver, H.A., Feldman, P.D., Festou, M.C. and A'Hearn, M.F.: 1981, Icarus, 47, 449.Google Scholar
Whipple, F.L.: 1950, Ap. J., 111, 375.Google Scholar
Wyckoff, S.: 1982, in ‘Comets’, Wilkening, L.L. (ed.), University of Arizona Press, Tucson, Az. Google Scholar
Yamamoto, T., Nakagawa, N. and Fukui, Y.: 1983, Astron. Astrophys., 122, 171.Google Scholar
Yang, S.C., Freedman, A., Kawasaki, M. and Bersolm, R.: 1980, J. Chem. Phys., 72, 4058.Google Scholar
Zeippen, C.J.: 1982, MNRAS, 198, 111.Google Scholar