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Revealing the kinematics and origin of ionized winds using RRL masers

Published online by Cambridge University Press:  16 July 2018

Alejandro Báez-Rubio
Alejandro Báez-Rubio*
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Apartado Postal 70-264, 04510, México, CDMX, Mexico email: [email protected]
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Abstract

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The detection of hydrogen radio-recombination maser lines (RRLs) toward MWC349A in the year 1989 opened the chance to place constraints on the kinematics of an ionized circumstellar disk around a massive star. Since then, a significant number of observations have allowed improving our understanding of this source to the point that we have established that its ionized wind launching occurs at a distance of ~24 au as claimed by disk wind models. On the other hand, this field of study has undergone considerable development over the last six years with the detection of new RRL maser sources. Here, we present a brief summary of all these recent advances and the promising future prospects.

Keywords

masersstars: windsoutflowsHII regionsaccretionaccretion disks
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S336: Astrophysical Masers: Unlocking the Mysteries of the Universe , September 2017 , pp. 275 - 276
Copyright
Copyright © International Astronomical Union 2018 

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