Paper:	Nucleosynthesis Origin of PG 1159 Stars, Sakurai's Object, and Rare Subclasses of Presolar Grains
Volume:	445, Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants
Page:	143
Authors:	Gallino, R.; Straniero, O.; Zinner, E.; Jadhav, M.; Piersanti, L.; Cristallo, S.; Bisterzo, S.
Abstract:	We discuss theoretical AGB-stage predictions for the hydrogen-deficient PG 1159 stars and Sakurai's object, which show peculiar enhancements in He, C, and O, and how these enhancements may be understood in the framework of a very late thermal pulse nucleosynthetic event. We then discuss the nucleosynthesis origin of rare subclasses of presolar grains extracted from carbonaceous meteorites, the SiC AB grains showing low 12C/13C ratios in the range 2 to 10 and the very rare high-density graphite grains with 12C/13C around 10.

Astronomical Society of the Pacific
Conference Series

© Copyright 1988 - 2024 - Astronomical Society of the Pacific
No part of the material protected by this copyright may be reproduced or used in any form other than for personal use without written permission from the ASP.

Page generated in 0.071 seconds