3D Simulations of the Local Bubble

Details 3D Simulations of the Local Bubble 3D Simulations of the Local Bubble

2004-02-18

arxiv.org/abs/astro-ph/0402446v2

Astronomy and Astrophysics

Astrophysics

2 pages, 2 simulation images in jpeg format, to appear in the proceedings of ``From Observations to Self-Consistent Modelling

Scientific paper

We have performed high resolution 3D simulations of the Local Bubble (with 1.25 pc finest resolution) in a realistic background ISM, jointly with the dynamical evolution of the neighbouring Loop I superbubble. We can reproduce (i) the size of the bubbles (in contrast to similarity solutions), (ii) the interaction shell with Loop I, discovered with ROSAT, (iii) predict the merging of the two bubbles in about 3 Myr, when the interaction shell starts to fragment, and, (iv) the generation of blobs like the Local Cloud as a consequence of a dynamical instability.

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