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Dust evolution in pre-stellar cores

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arxiv 1911.03257 v2 pith:FFSZWWJ6 submitted 2019-11-08 astro-ph.GA

Dust evolution in pre-stellar cores

classification astro-ph.GA
keywords dustgrainscoresevolutioninsidemediumpre-stellarwill
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Dust grains are the building {blocks} of future planets. They evolve in size, shape and composition during the life cycle of the interstellar medium. We seek to understand the process which leads from diffuse medium grains to dust grains in the vicinity of protostars inside disks. As a first step, we propose to characterize the dust evolution inside pre-stellar cores thanks to multi-wavelength observations. We will present how NIKA2 maps are crucial to better constrain dust properties and {we will} introduce SIGMA: a new flexible dust model in open access.

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