3D Simulations of the 180pc Molecular Ring

Details 3D Simulations of the 180pc Molecular Ring 3D Simulations of the 180pc Molecular Ring

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..54...52j&link_type=abstract

"Journal of Physics: Conference Series, Volume 54, Proceedings of "The Universe Under the Microscope - Astrophysics at High Angu

Astronomy and Astrophysics

Astrophysics

Scientific paper

Understanding the kinematics and morphology of molecular clouds in the Central Molecular Zone (CMZ) is important for studying the mode of star formation in the central region of the Galaxy. A quasi-continuous ring structure with a radius of 180pc, so-called ''180-pc molecular ring'', is interpreted as the transition region between the two stable orbits in the bar potential, x1 & x2 [2]. We present, for the first time, 3-D high resolution hydrodynamic simulations of the gas flows in this transition region, and compare the results with previous 2-D studies. We will also see if an m = l perturbation, which is revealed as a displacement of the CMZ, is responsible for some of the discrepancies between the previous simulations and observations.

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