Research report 2021 - Max Planck Institute for Astronomy

Raw material for new stars

Syed, Jonas
Max-Planck-Institut für Astronomie, Heidelberg
From the data of the THOR survey led at the Max Planck Institute for Astronomy (MPIA), we have identified one of the longest known structures in the Milky Way, stretching some 3900 light years and consisting almost entirely of atomic hydrogen gas. This filament, called Maggie, could represent a link in the stellar matter cycle. Our analysis suggests that locally the atomic gas binds to molecular hydrogen there. Compressed in large clouds, this material ultimately forms stars.

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