next up previous
Next: Annual parallax Up: Distances Previous: Distances

Dispersion Measure


tex2html_wrap_inline3922   2 components of ISM Hydrogen - disk + halo
tex2html_wrap_inline3922   Disk tex2html_wrap_inline4448
tex2html_wrap_inline3922   tex2html_wrap_inline4452 vary with Galactic radius
tex2html_wrap_inline3922   Near sun, tex2html_wrap_inline4456
tex2html_wrap_inline3922   Need to include spiral arms and HII regions


tex2html_wrap_inline3922   Sun at R = 10kpc, z=0
tex2html_wrap_inline3922   Calibrate using other methods
tex2html_wrap_inline3922   In practice, more complex see [35]
tex2html_wrap_inline3922   Statistically accurate
tex2html_wrap_inline3922   Accurate to 30-50% for individual pulsars

Jon Bell
Thu Dec 19 15:15:11 GMT 1996