Proc. IAU volume 13, issue S336, P255-258 2017 DOI: 10.1017/s1743921317010237 View full text
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Crystal L. Brogan, Todd R. Hunter, Gordon MacLeod, James O. Chibueze, Claudia J. Cyganowski

Abstract: AbstractWe present subarcsecond resolution pre- and post-outburst JVLA continuum and water maser observations of the massive protostellar outburst source NGC6334I-MM1. The continuum data at 5 and 1.4 cm reveal that the free-free emission powered by MM1B, modeled as a hypercompact HII region from our 2011 JVLA data, has dropped by a factor of 5.4. Additionally, the water maser emission toward MM1, which had previously been strong (500 Jy) has dramatically reduced. In contrast, the water masers in other location…

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