Pulsars: Observational parameters and a discussion on dispersion measures

Yervant Terzian, Kris Davidson

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The relevant data for the known 147 pulsars are presented in graphical and tabular forms. Various data correlations are discussed, and a detailed analysis of pulsar dispersion measures and distances is given. The range of the electron densities in the diffuse interstellar medium is found to be 0.01 cm-3≲ne≲0.1 cm-3, and 〈ne〉≃0.03 cm-3. The dispersion scale height for pulsars is found to be ∼5.9±0.7 pc cm-3 implying a linear scale height of ∼200 pc, which is much smaller than the electron scale height of our Galaxy.

Original languageEnglish (US)
Pages (from-to)479-500
Number of pages22
JournalAstrophysics and Space Science
Issue number2
StatePublished - Oct 1976


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