The Face-on View of the Milky Way: Gas Dynamics in the COBE NIR Bulge and Disk
Englmaier, Peter · Gerhard, Ortwin E.
Original · EN
We report simulations of the gas flow in the gravitational potential of the COBE NIR bulge and disk. These models lead to four--armed spiral structure between corotation of the bar and the Sun, in agreement with the observed spiral arm tangents. The 3-kpc-arm is identified with one of the arms emanating from the ends of the bar.
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