SIMBAD references

2019MNRAS.490.3329N - Mon. Not. R. Astron. Soc., 490, 3329-3340 (2019/December-2)

The nascent wind of AGB star R doradus: evidence for a recent episode of enhanced mass loss.

NHUNG P.T., HOAI D.T., TUAN-ANH P., DARRIULAT P., DIEP P.N., PHUONG N.T. and THAI T.T.

Abstract (from CDS):

We analyse ALMA observations of the SO(JK = 65 - 54) emission of the circumstellar envelope of oxygen-rich AGB star R Dor, probing distances between 20 and 100 au from the star where the nascent wind is building up. We give evidence for a radial outflow covering very large solid angles and displaying strong inhomogeneity both in direction and radially: it contains multiple cores and has a radial dependence suggesting an episode of enhanced mass loss that occurred a century or so ago. Our analysis also confirms the presence of a previously observed rotating disc.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: AGB and post-AGB - circumstellar matter - stars: individual: R Dor - radio lines: stars

Simbad objects: 5

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