Neon in Low Activity Suns and the Solar Model Problem

Details Neon in Low Activity Suns and the Solar Model Problem Neon in Low Activity Suns and the Solar Model Problem

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..183d&link_type=abstract

XMM-Newton Proposal ID #04049202

Other

Stars, White Dwarfs, Solar System, Gj 136, Gj 327, Xmm-Newton Proposal 04049202

Scientific paper

A recent fundamental problem with the standard solar model has arisen that could be solved if the solar Ne abundance is about 2.5 times higher than currently supposed - just the value found in stellar coronae. However, solar measurements for isolated coronal features are generally lower and only one other inconclusive Ne/O measurent exists for low activity solar analogues. EPIC PN Ne/O measurements of a small sample of early G dwarfs will tell us whether existing solar measurements are representative or misleading, in what stars Ne might be fractionated, and whether Ne can solve the solar model problem. The results will also be important for determining the cosmic abundance of neon and constraining supernova type II enrichment.

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