Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..751h&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 191, June 1980, p. 751-759. Research supported by the Science Research
Astronomy and Astrophysics
Astronomy
16
Electron Density (Concentration), Milky Way Galaxy, Pulsars, Scale Height, Spatial Distribution, Star Distribution, H Ii Regions, Hydrogen Ions, Mathematical Models, Scintillation
Scientific paper
In this paper, the derivations of the scale heights of electrons, pulsars and scattering irregularities in the Galaxy are discussed. It is found that some recent derivations neglect the effect of H II regions on dispersion measures, and so overestimate the distances and scale height of the pulsars. The dispersion data are reanalyzed, and it is found that the electron scale-height is 264 pc, the pulsar scale-height is 162 pc, and the scale height of the scattering irregularities that are responsible for pulsar scintillations is 79 pc. The mean electron density in the galactic plane is 48000/cu m.
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