Distribution of free electrons in the galactic plane

Details Distribution of free electrons in the galactic plane Distribution of free electrons in the galactic plane

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap.....49..240a&link_type=abstract

Astrophysics, Volume 49, Issue 2, pp.240-247

Astronomy and Astrophysics

Astrophysics

1

Galaxy, Free Electrons, Distribution

Scientific paper

A method is proposed for constructing a map of the electron density distribution in the galactic plane. Data on the dispersion measures DM of more than 1500 pulsars and their distances, found by an independent method, are used. The independent distances of the pulsars are estimated using an empirical relation of the form L=γ P α Ṗ β W δ between the radio luminosity L of the pulsars and their periods P, the rate of change Ṗ. of their periods, and the half width W of their pulses. A map of the electron density distribution in the galactic plane within a ±400 pc layer is provided.

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