Galactic magnetic field strengths and star formation parameters

Details Galactic magnetic field strengths and star formation parameters Galactic magnetic field strengths and star formation parameters

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...433..778v&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 433, no. 2, p. 778-779

Statistics

11

Field Strength, Interstellar Magnetic Fields, Spiral Galaxies, Star Formation, Star Formation Rate, Statistical Analysis, Astronomical Catalogs, Interstellar Matter, Luminosity, Parameterization

Scientific paper

Using statistics for small samples, I investigate the relation between the current strength of the galactic magnetic field B (as obtained by the best available method) and the star formation activity (as obtained by either the star formation rate (SFR) or the star formation efficiency (SFE). From recently published homogeneous observational data in a 'complete sample' of nearby spiral galaxies, I looked for a relation between galactic magnetic field and star formation rate B approximately = SFRj, and I find j = 0.13 +/- 0.04 for 33 galaxies. I also looked for a relation between galactic magnetic field and star formation efficiency B approximately = SFEj, and I find j = 0.13 +/- 0.04 for 48 galaxies.

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