Computer Science
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop.1038b&link_type=abstract
ATNF proposal C1687, Semester: October, 2007
Computer Science
Galactic, Atca
Scientific paper
Recent ATCA high-excitation NH3 observations toward the massive disk candidate IRAS18089-1732 revealed a rotating structure perpendicular to the outflow. However, these data could not resolve any structure along the rotation axis. Here we propose to complement the existing data by the missing few hours to obtain a full track and hence a much better synthesized beam in north-south direction. The main outcome of these additional data will be one of the best spatially and spectrally resolved hot massive accretion disks today. We will resolve this disk in north-south direction to search for disk-like flattening along the rotation axis, and the spatial configuration may allow us to estimate the inclination angle of the rotating disk-like structure. The results will be compared to recent 3D hydrodynamic simulations of massive accretion disks.
Beuther Henrik
Walsh Andrew
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