Abstract
The size of the region is found, using a method previously applied by Friedjung and Malakpur (1971) to Nova Delphini. The conclusion of Pottasch (1967), that the lines are formed in a circumstellar cloud is supported.
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References
Friedjung, M. and Malakpur, I.: 1971,Astrophys. Letters 7, 171.
Groth, H. G.: 1960,Z. Astrophys. 51, 231.
Pottasch, S. R.: 1967,Bull. Astron. Inst. Netherlands 19, 227.
Roder, O.: 1962,Z. Astrophys. 55, 38.
Tolbert, C. R., Pecker, J. C., and Pottasch, S. R.: 1967,Bull. Astron. Inst. Netherlands 19, 17.
Viotti, R.: 1969, Thesis, Rome University.
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Friedjung, M. The region of formation of the narrow Feii lines of RS Ophiuchi. Astrophys Space Sci 19, 501–503 (1972). https://doi.org/10.1007/BF00645730
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DOI: https://doi.org/10.1007/BF00645730