| Issue |
EPJ Web of Conferences
Volume 19, 2012
Assembling the Puzzle of the Milky Way
|
|
|---|---|---|
| Article Number | 08003 | |
| Number of page(s) | 5 | |
| Section | How Stars and Interstellar Medium interplay? ISM Large Scale Structure, Stellar Formation, Gas Infall, Galactic Fountains, . . . | |
| DOI | https://doi.org/10.1051/epjconf/20121908003 | |
| Published online | 07 February 2012 | |
https://doi.org/10.1051/epjconf/20121908003
The Milky Way and its gas: Cold fountains and accretion
National Radio Astronomy Observatory, PO Box 2, Green Bank, WV 24944, USA
a The National Radio Astronomy Observatory is operated by Associated Universities, Inc., under a cooperative agreement with the National Science Foundation. e-mail: jlockman@nrao.edu
The Milky Way is acquiring gas from infalling high-velocity clouds. The material enters a disk-halo interface that in many places is populated with HI clouds that have been ejected from the disk through processes linked to star formation. The Smith Cloud is an extraordinary example of a high-velocity cloud that is bringing > 106 M☉ of relatively low metallicity gas into the Milky Way. It may be part of a larger stream, components of which are now passing through the disk.
© Owned by the authors, published by EDP Sciences, 2012
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