Abstract
This article describes observations of the OH emitting region around NML Cygnus. The data suggest a model involving a central absorbing cloud ˜6×1015 cm in diameter, with the OH emission coming from the outer regions.
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Wilson, W. J., and Barrett, A. H., Science, 161, 778 (1968).
Wilson, W. J., and Barrett, A. H., Kitt Peak National Observatory Contrib., 554 (1971).
Hyland, A. R., Becklin, E. E., Frogel, J. A., and Neugebauer, G., Astron. Astrophys., 16, 204 (1972).
Wilson, W. J., Barrett, A. H., and Moran, J. M., Astrophys. J., 160, 545 (1970).
Shklovsky, I. S., Astron. Circ, Bureau of Astron. Reports, Acad. of Sciences, USSR, 242, 1 (1967).
Litvak, M. M., Astrophys. J., 156, 471 (1969).
Hyland, A. R., Becklin, E. E., Neugebauer, G., and Wallerstein, G., Astrophys. J., 158, 619 (1969).
Herbig, G., Astrophys. J., 162, 557 (1970).
Knowles, S. H., Mayer, C. H., Cheung, A. C., Rank, D. M., and Townes, C. H., Science, 163, 1055 (1969).
Davies, R. D., Ponsonby, J. E. B., Pointon, L., and de Jager, G., Nature, 222, 933 (1969).
Hyland, A. R., Becklin, E. E., Frogel, J. A., and Neugebauer, G., Astron. Astrophys., 16, 204 (1972).
Deutsch, A. J., in Stellar Atmospheres (edit. by Greenstein, J. L.), 543 (Univ. Chicago Press, 1960).
Abell, G., and Goldreich, P., Publ. Astron. Soc. Pacific, 78, 232 (1966).
Herbig, G. H., and Zappala, R. R., Astrophys. J., 162, L15 (1970).
Schwartz, P. R., and Barrett, A. H., Astrophys. J., 159, L123 (1970).
Herbig, G. H., Mem. Soc. Roy. Sci. de Liege, 19, 13 (1970).
Low, F. J., Johnson, H. L., Kleinmann, D. E., Latham, A. S., and Geisel, S. L., Astrophys. J., 160, 531 (1970).
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DAVIES, R., MASHEDER, M. & BOOTH, R. Structure of the OH/Infrared Object NML Cygnus. Nature Physical Science 237, 21–24 (1972). https://doi.org/10.1038/physci237021a0
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DOI: https://doi.org/10.1038/physci237021a0
