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  Illuminating the Complex Environment of Outbursting Protostars with SPHERE Scattered Light Observations

Principe, D., Cieza, L., Avenhaus, H., Casassus, S., Cuello, N., Kastner, J. H., et al. (2019). Illuminating the Complex Environment of Outbursting Protostars with SPHERE Scattered Light Observations. In American Astronomical Society Meeting Abstracts #233.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-D29C-E Version Permalink: https://hdl.handle.net/21.11116/0000-0005-D29D-D
Genre: Conference Paper

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https://ui.adsabs.harvard.edu/abs/2019AAS...23346605P (Any fulltext)
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 Creators:
Principe, David1, Author
Cieza, Lucas1, Author
Avenhaus, Henning1, Author
Casassus, Simon1, Author
Cuello, Nicolas1, Author
Kastner, Joel H.1, Author
Perez, Sebastian1, Author
Zhu, Zhaohuan1, Author
Zurlo, Alice1, Author
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1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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 Abstract: FU Ori (FUor) and EX Lup (EXor) objects represent a short-lived stage of protostellar evolution characterized by intense mass accretion causing extreme variability in the form of outbursts. It is likely such rapid accretion events constitute the means by which most newborn stars gain their initial mass. However, the mechanism(s) causing such intense outbursts are poorly understood due in large part to their level of difficulty to observe in detail. We present SPHERE (Spectro-Polarimetric High-contrast Exoplanet REsearch) optical and near-IR scattered light observations of several nearby outbursting protostars which spatially resolve the circumstellar environment at radii > 10 au. These images reveal complex morphological features in the dust surrounding these young stars which likely hint at their highly variable origins.

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 Dates: 2019
 Publication Status: Issued
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Title: American Astronomical Society Meeting Abstracts #233
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Start-/End Date: 2019

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Title: American Astronomical Society Meeting Abstracts #233
Source Genre: Proceedings
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