2018MNRAS.481.3643C -
Mon. Not. R. Astron. Soc., 481, 3643-3650 (2018/December-2)
Type IIn SN 2010jl: probing dusty line-emitting shell.
CHUGAI N.N.
Abstract (from CDS):
I explore signatures of a possible dust formation in the late SN 2010jl that could be imprinted in the line blueshift and the radius evolution of the dusty infrared (IR)-emitting shell. I propose a simple model that permits one to reproduce emission lines of blueshifted hydrogen and helium emission lines. The model suggests that the hydrogen emission originates primarily from shocked fragmented circumstellar clumps partially obscured by the absorbing cool dense shell (CDS) and by unshocked ejecta. In the He 1.083 µm line on day 178, this component is significantly weaker compared to broad component from unshocked ejecta that is obscured by the absorption produced by ejecta itself. Simulations of late time (t > 400 d) H α suggest that, apart from the dust in the CDS, a significant amount of dust must form in the unshocked supernova ejecta. The supernova radius predicted by the interaction model coincides with the radius of the dusty shell recovered from late time (>460 d) IR data, which strongly support that infrared radiation indeed originates from supernova. The ejecta dust is presumably locked in opaque blobs.
Abstract Copyright:
© 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society
Journal keyword(s):
supernovae: individual: SN 2010jl
Simbad objects:
9
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