Hierarchical Galaxy formation in the Local Universe
Hierarchical Galaxy formation in the Local Universe
Hierarchical Galaxy formation in the Local Universe
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A comprehensive model of <strong>the</strong> Monoceros Stream<br />
An extraord<strong>in</strong>ary<br />
observational effort <strong>in</strong><br />
<strong>the</strong> last year for<br />
different groups to<br />
trace this stream.<br />
Best orbit obta<strong>in</strong>ed<br />
us<strong>in</strong>g semianalitical<br />
model from fitt<strong>in</strong>g to<br />
position, distance and<br />
velocities of stream<br />
stars (151200<br />
simulations)<br />
Nbody simulation for<br />
<strong>the</strong> best orbit, <strong>in</strong>clud<strong>in</strong>g<br />
dynamical friction<br />
<strong>in</strong>cluded<br />
Observational data consistents with a huge tidal stream<br />
disrupted <strong>in</strong> <strong>the</strong> last 2.5 Gyr