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Galactic hydrostatic equilibrium with magnetic tension and cosmic-ray diffusion
Abstract
Three gravitational potentials differing in the content of dark matter in the Galactic plane are used to study the structure of the z-distribution of mass and pressure in the solar neighborhood. A P(0) of roughly (3.9 + or - 0.6) x 10 to the -12th dyn/sq cm is obtained, with roughly equal contributions from magnetic field, cosmic ray, and kinetic terms. This boundary condition restricts both the magnitude of gravity and the high z-pressure. It favors lower gravity and higher values for the cosmic ray, magnetic field, and probably the kinetic pressures than have been popular in the past. Inclusion of the warm H(+) distribution carries a significant mass component into the z about 1 kpc regime.
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Citations
Cited by
Krumholz, M. R., & McKee, C. F. (2005) · The Astrophysical Journal · doi:10.1086/431734 · Cited by 1,048
The interstellar environment of our galaxy
Ferrière, K. M. (2001) · Reviews of Modern Physics · doi:10.1103/revmodphys.73.1031 · Cited by 1,019
Radiation Pressure–supported Starburst Disks and Active Galactic Nucleus Fueling
Thompson, T. A., Quataert, E., & Murray, N. (2005) · The Astrophysical Journal · doi:10.1086/431923 · Cited by 801
Theoretical Challenges in Galaxy Formation
Naab, T., & Ostriker, J. P. (2017) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081913-040019 · Cited by 722
Heiles, C., & Troland, T. H. (2003) · The Astrophysical Journal · doi:10.1086/367828 · Cited by 572
Metadata
- Authors
- Boulares, A., & Cox, D. P.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1990-12
- Volume
- 365
- Pages
- 544
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2018674658
- Cited by
- 472
- References
- 0
- FWCI
- 0.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Boulares, A., & Cox, D. P. (1990). Galactic hydrostatic equilibrium with magnetic tension and cosmic-ray diffusion. The Astrophysical Journal. https://doi.org/10.1086/169509
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