Envelope Burning in AGB stars and the Abundances of (4) He and (14) N in Planetary Nebulae

Details Envelope Burning in AGB stars and the Abundances of (4) He and (14) N in Planetary Nebulae Envelope Burning in AGB stars and the Abundances of (4) He and (14) N in Planetary Nebulae

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...184.5701b&link_type=abstract

American Astronomical Society, 184th AAS Meeting, #57.01; Bulletin of the American Astronomical Society, Vol. 26, p.952

Astronomy and Astrophysics

Astronomy

Scientific paper

We use synthetic AGB models to calculate abundances of (4) He, (12) C, and (14) N expected in PNe. We will discuss the importance of envelope burning in calculating these abundances. In particular, we compare the difference between the abundances calculated using the less extensive envelope burning indicated in the models of Renzini and Voli (1981) and the more extensive envelope burning indicated in the 7Msun model of Blocker and Schonberner (1991). Finally, we compare our theoretical abundances to the observed abundances of (4) He, and (14) N in PNe.

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