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Boiling-Steaming Galactic Disk: Vertical Dust Jets in the Disk-Halo Interface

Published online by Cambridge University Press:  03 August 2017

Y. Sofue ,
K. Wakamatsu  and
D.F. Malin
Y. Sofue
Affiliation:
1Institute of Astronomy, University of Tokyo, Japan
K. Wakamatsu
Affiliation:
2Physics Department, Gifu University, Japan
D.F. Malin
Affiliation:
3Anglo-Australian Observatory, Australia

Abstract

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Optical photographs of highly-tilted, dust-rich nearby spiral galaxies like NGC253 have revealed numerous vertical dark filaments which we call vertical dust jets (VDJ). The VDJ exdend more than a few kpc from the disk in an almost coherent manner, while they are as thin as a few tens of pc. They are most likely due to boiling-steaming galactic disk, which ejects gas into the halo. The coherency suggests that VDJ trace large-scale poloidal magnetic lines of force.

Type
II. The Disk-Halo Interface in Other Galaxies
Information
Symposium - International Astronomical Union , Volume 144: The Interstellar Disk-Halo Connection in Galaxies , 1991 , pp. 309 - 310
Copyright
Copyright © Kluwer 1991 

References

REFERENCES

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