Abstract
New observations of the central stars of old planetary nebulae are presented and discussed. The attempts to fit the observed Balmer lines of the hydrogen rich central stars by theoretical profiles and their failure is described. Possible reasons for this failure are discussed.
Visiting astronomer, German-Spanish Astronomical Center, Calar Alto, operated by the Max-Planck-Institut für Astronomie Heidelberg jointly with the Spanish National Commission for Astronomy
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Napiwotzki, R. (1992). Analysis of central stars of old planetary nebulae: Problems with the Balmer lines. In: Heber, U., Jeffery, C.S. (eds) The Atmospheres of Early-Type Stars. Lecture Notes in Physics, vol 401. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-55256-1_328
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DOI: https://doi.org/10.1007/3-540-55256-1_328
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