IRC +10216: a peanut nebula!

Details IRC +10216: a peanut nebula! IRC +10216: a peanut nebula!

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989msngr..55...25l&link_type=abstract

The Messenger, vol. 55, p. 25-28

Physics

12

Carbon Stars: Circumstellar Shells

Scientific paper

Carbon stars with low effective temperature (2,000-3,000 K) are thought to be long-period variables evolving on the Asymptotic Giant Branch (AGB). These objects are burning alternately hydrogen and helium in different shells around a degenerate core of carbon and oxygen [1]. Material processed during the helium burning phase is dredged-up by convection to the surface and enriches it in carbon relative to oxygen.

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