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Published July 1999 | Published
Journal Article Open

Calcium-41, aluminum-26, and oxygen isotopes in a circumstellar hibonite

Abstract

We report the discovery of a circumstellar hibonite (CaAI_(12)O_(19)) showing clear evidence of ^(41)Ca and ^(26)Al produced in an Asymptotic Giant Branch (AGB) star and O isotopes that were significantly modified by nucleosynthesis in that star.

Additional Information

© 1999 The Meteoritical Society. Article first published online: 4 Feb 2010. We thank G. R. Huss for providing Semarkona acid residue. Division Contribution No. 8613 (1030). Supported by NASA, NAG 5-4083.

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