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25 April 2024

» arxiv » 1610.5596

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Clumpy molecular structures revolving the B[e] supergiant MWC 137
M. Kraus ; L.S. Cidale ; T. Liimets ; C.E. Cappa ; N. Duronea ; D.S. Gunawan ; M.E. Oksala ; M. Santander-Garcia ; M.L. Arias ; D.H. Nickeler ; G. Maravelias ; M. Borges Fernandes ; M. Cure ;
Date:	17 Oct 2016
Abstract:	The peculiar emission-line star MWC 137 with its extended optical nebula was recently classified as B[e] supergiant. To study the spatial distribution of its circumstellar molecular gas on small and large scales, we obtained near-infrared and radio observations using SINFONI and APEX, respectively. We find that the hot CO gas is arranged in moving clumpy ring and shell structures close to the star, while a cold CO envelope is encircling the borders of the optical nebula from the south to the west.
Source:	arXiv, 1610.5596
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