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ALMA observations of the Extended Green Object G19.010.03: I. A Keplerian disc in a massive protostellar system
Gwenllian M. Williams, Claudia J. Cyganowski, Crystal L. Brogan +6
Using the Atacama Large Millimetre/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA), we observed the Extended Green Object (EGO) G19.010.03 with sub-arcs…
VLA Observations of 9 Extended Green Objects in the Milky Way: Ubiquitous Weak, Compact Continuum Emission, and Multi-Epoch Emission from CHOH, HO, and NH Masers
A. P. M. Towner, C. L. Brogan, T. R. Hunter +1
We have observed a sample of 9 Extended Green Objects (EGOs) at 1.3 and 5 cm with the VLA with sub-arcsecond resolution and ~7-14 uJy/beam sensitivities in order to characterize ce…
The Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Strong Increase in Mid-Infrared Continuum Emission
T. R. Hunter, C. L. Brogan, J. M. De Buizer +7
In recent years, dramatic outbursts have been identified toward massive protostars via infrared and millimeter dust continuum and molecular maser emission. The longest lived outbur…
Infrared observations of the flaring maser source G358.93-0.03 -- SOFIA confirms an accretion burst from a massive young stellar object
B. Stecklum, V. Wolf, H. Linz +24
Class II methanol masers are signs of massive young stellar objects (MYSOs). Recent findings show that MYSO accretion bursts cause flares of these masers. Thus, maser monitoring ca…