On the Possibility of Nova Enrichment of Globular Clusters

Details On the Possibility of Nova Enrichment of Globular Clusters On the Possibility of Nova Enrichment of Globular Clusters

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pasp..108..344s&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.108, p.344

Astronomy and Astrophysics

Astronomy

15

Globular Clusters: General, Ism: Abundances, Novae

Scientific paper

Primordial chemical enrichment of globular clusters by Ne novae could provide a means for producing significant enhancements in 13C, 25Mg, and 27Al abundances among cluster stars, if such novae eject on the order of 10^-4 solar mass of processed material. Enrichment by Ne novae may lead to cluster giants which have relatively large surface [Al/Fe] abundance ratios, either through direct enhancement of the 27Al surface abundances of the main-sequence progenitors of these stars, or through primordial enhancements in 25Mg, which can be converted to 27Al by proton-addition nucleosynthesis in the O -> N burning shell or red giants. (SECTION: Stellar Clusters and Associations)

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