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G11.92-0.61 MM 1: A fragmented Keplerian disk surrounding a proto-O star
J. D. Ilee, C. J. Cyganowski, C. L. Brogan +5
We present high resolution (300 au) Atacama Large Millimeter/submillimeter Array (ALMA) observations of the massive young stellar object G11.92-0.61 MM 1. We resolve the imme…
Observing substructure in circumstellar discs around massive young stellar objects
Marija R. Jankovic, Thomas J. Haworth, John D. Ilee +6
Simulations of massive star formation predict the formation of discs with significant substructure, such as spiral arms and clumps due to fragmentation. Here we present a semi-anal…
Science with an ngVLA: Understanding Massive Star Formation through Maser Imaging
Todd R. Hunter, Crystal L. Brogan, Anna Bartkiewicz +6
Imaging the bright maser emission produced by several molecular species at centimeter wavelengths is an essential tool for understanding the process of massive star formation becau…
The Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Emergence of Strong 6.7 GHz Methanol Masers
T. R. Hunter, C. L. Brogan, G. C. MacLeod +7
We report the first sub-arcsecond VLA imaging of 6 GHz continuum, methanol maser, and excited-state hydroxyl maser emission toward the massive protostellar cluster NGC6334I followi…