The forbidden abundance of oxygen in the Sun
We reexamine closely the solar photospheric line at 6300 A° , which is attributed to a forbidden line of neutral oxygen and is widely used in analyses of other late-type stars. We use a three-dimensional time-dependent hydrodynamical model solar atmosphere that has been tested successfully against observed granulation patterns and an array of absorption lines. We show that the solar line is a blend with a Ni i line, as previously suggested but oftentimes neglected. Thanks to accurate atomic...[Show more]
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