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arxiv: astro-ph/0207109 · v1 · submitted 2002-07-04 · 🌌 astro-ph

Outflow from and asymmetries in the nebula around the LBV candidate Sk-69 279

classification 🌌 astro-ph
keywords sk-69candidatespectraexpandingnebulaeoutflowsaroundasymmetries
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We present and discuss new long-slit Echelle spectra of the LMC LBV candidate Sk-69 279 and put them in context with previous images and spectra. While at first glance a simple spherically expanding symmetric shell, we find a considerably more complex morphology and kinematics. The spectra indicate that morphologically identified deviations from sphericity are outflows of faster material out of the main body of Sk-69 279. The morphological as well as the kinematic similarity with other LBV nebulae makes it likely that Sk-69 279 is an LBV candidate, indeed, and poses the question in how far outflows out of expanding LBV nebulae are a general property of such nebulae--at least during some phases of their evolutions.

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