Dusty Blue Supergiants: News from High-Angular Resolution Observations
Willem-Jan de Wit, Rene Oudmaijer, Jorick Vink
TL;DR
This paper reviews recent high-angular resolution observations, especially interferometry, that have advanced understanding of dust production, circumstellar material, and evolution in blue supergiants and B[e] supergiants.
Contribution
It synthesizes recent observational findings from interferometry, providing new insights into the circumstellar environments and dust formation processes of blue supergiants.
Findings
Interferometry reveals complex circumstellar structures.
Dust production occurs in regular blue supergiants.
Evolutionary phases of B[e] supergiants are better understood.
Abstract
An overview is presented of the recent advances in understanding the B[e] phenomenon among blue supergiant stars in light of high-angular resolution observations and with an emphasis on the results obtained by means of long baseline optical stellar interferometry. The focus of the review is on the circumstellar material and evolutionary phase of B[e] supergiants, but recent results on dust production in regular blue supergiants are also highlighted.
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