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arxiv: 1004.3529 · v3 · pith:DDS75JBZnew · submitted 2010-04-20 · 🌌 astro-ph.SR

A Sea Change in Eta Carinae

classification 🌌 astro-ph.SR
keywords carinaechangecontinuumdecreasedecreaseddensityemissionexplanation
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Major stellar-wind emission features in the spectrum of Eta Car have recently decreased by factors of order 2 relative to the continuum. This is unprecedented in the modern observational record. The simplest, but unproven, explanation is a rapid decrease in the wind density.

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