Other
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341..828k&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 15, 1989, p. 828-831.
Other
39
Astronomical Models, Dynamo Theory, Interstellar Magnetic Fields, Interstellar Matter, Spiral Galaxies, Magnetic Field Configurations, Magnetic Flux, Star Formation Rate
Scientific paper
Recent observations by Beck and Golla of far-infrared and radio continuum emission from nearby spiral galaxies suggest that the galactic magnetic field strength is connected to the current star formation rate. The role of star formation on the generation of large-scale galactic magnetic field is studied in this paper. Using a simple galactic model, it is shown how the galactic dynamo depends strongly on the turbulent velocity of the interstellar medium. When the star formation efficiency is high, the ISM is churned which in turn amplifies the galactic magnetic field. Between active star formation epochs, the magnetic field is in dormant state and decays at a negligible rate. If density waves trigger star formation, then they also turn on the otherwise dormant dynamo.
Ko Che Ming
Parker Eugene N.
No associations
LandOfFree
Intermittent behavior of galactic dynamo activities does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Intermittent behavior of galactic dynamo activities, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intermittent behavior of galactic dynamo activities will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1850190