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arxiv: 1509.00772 · v1 · pith:SOHO4B37new · submitted 2015-07-31 · 🌌 astro-ph.SR

Forbidden calcium lines as disc tracers

classification 🌌 astro-ph.SR
keywords discforbiddenlinestracersbecausecalciumdiscsemission
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Forbidden emission lines are particularly valuable disc tracers, because their profiles reflect the kinematics within their formation region. Here we present a short excerpt from the results of a spectroscopic survey of evolved massive stars surrounded by high-density discs.

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