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I've found an estimation for interstellar electron density which ranges from $3.0 \times 10^4$ electrons per cubic meter (pcm), to $5.0 \times 10^4$ electrons pcm close to the galactic plane.

However, this estimation doesn't provide any range for velocity distributions. What is the most accurate estimate/measurement of average interstellar velocity distributions for electrons?

lurscher
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    http://arxiv.org/pdf/1308.1666v1.pdf , http://arxiv.org/pdf/1108.4822v1.pdf –  Dec 08 '14 at 01:20

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