The Solar Oxygen Problem: Crisis, Catastrophe, or Opportunity?

Details The Solar Oxygen Problem: Crisis, Catastrophe, or Opportunity? The Solar Oxygen Problem: Crisis, Catastrophe, or Opportunity?

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..384...52a&link_type=abstract

14th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun ASP Conference Series, Vol. 384, proceedings of the conferen

Computer Science

Sound

4

Scientific paper

A proposed large reduction in the solar oxygen abundance--motivated by spectral synthesis of weak forbidden O I absorptions using 3D convection models--has provoked consternation in the helioseismology community: the spectacular agreement between measured interior sound speed profiles and predictions based on the historical ɛ_{O} completely unravels at the new lower value. In an effort to validate low-O, two generic tests of the 3D models are outlined. A snapshot from the CO^5BOLD class of convection simulations is shown to meet some of the requirements, but fail others. Implications for the solar carbon monoxide (CO) spectrum--alternative O tracer--are discussed.

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