Digging Into NGC6334I(N): SMA and VLA Imaging Of A Massive Protostellar Cluster

Details Digging Into NGC6334I(N): SMA and VLA Imaging Of A Massive Protostellar Cluster Digging Into NGC6334I(N): SMA and VLA Imaging Of A Massive Protostellar Cluster

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21333702h&link_type=abstract

American Astronomical Society, AAS Meeting #213, #337.02; Bulletin of the American Astronomical Society, Vol. 41, p.398

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Scientific paper

We present high-resolution, multi-wavelength imaging that illuminates the rich phenomena of the massive protostellar cluster NGC6334I(N). Our 1.5 arcsecond (2500 AU) resolution 1.3 millimeter molecular line images obtained with the Submillimeter Array (SMA) reveal substantial hot-core line emission from at least 19 molecular species toward the primary dust continuum peak SMA1. The bipolar outflow emanating from SMA1 is seen clearly in SiO(5-4) and other lines as well as in 4.5 micron emission. We find evidence for additional outflows from some of the other dust cores. VLA images of water maser emission show 11 spatial components, eight of which arise on or near the dust cores, and some of which are associated with faint centimeter sources. A VLA snapshot of 44 GHz methanol maser emission reveal a multitude of spots, which appear throughout the area of submillimeter continuum emission and likely result from the combined activity of multiple outflows. Our observations provide a portrait of a young hot core in a deeply-embedded massive protocluster prior to the stage when its members become visible in the near-infrared.

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