The central star of a planetary nebula

Details The central star of a planetary nebula The central star of a planetary nebula

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....95...66k&link_type=abstract

Astronomy and Astrophysics, vol. 95, no. 1, Feb. 1981, p. 66-68.

Astronomy and Astrophysics

Astrophysics

20

Planetary Nebulae, Stellar Evolution, Hertzsprung-Russell Diagram, Main Sequence Stars, Red Giant Stars, Stellar Envelopes, Stellar Luminosity

Scientific paper

Evolutionary calculations of a central star of a planetary nebula are presented, and the evolutionary path is compared to the Harman-Seaton sequence. It is found that the crossing of the H-R diagram is along a horizontal line. The reasons for other possible paths are discussed. A minute expansion of the core is found at the beginning of this stage, which explains the rapid contraction of the star as an inverse to that of red giant formation after the main sequence stage.

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