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From the warm magnetized atomic medium to molecular clouds
Astronomy and Astrophysics
It has recently been proposed that giant molecular complexes form at the sites where streams of diffuse warm atomic gas collide at transonic velocities.We study the global statistics of molecular clouds formed by large scale colliding flows of warm neutral atomic interstellar gas under ideal MHD conditions. The flows deliver material as well as kinetic energy and trigger thermal instability leading eventually to gravitational collapse.We perform adaptive mesh refinement MHD simulations which,doi:10.1051/0004-6361:200810165 fatcat:q5zsokjxsbd2zftsvleqh37cbu