Interstellar Scintillation of PSR J0437-4715 on Two Scales

Details Interstellar Scintillation of PSR J0437-4715 on Two Scales Interstellar Scintillation of PSR J0437-4715 on Two Scales

2002-04-22

arxiv.org/abs/astro-ph/0204367v2

Astronomy and Astrophysics

Astrophysics

7 pages, 4 figures, submitted to Astronomy & Astrophysics

Scientific paper

We sought to determine the scale of scintillation in the interstellar plasma of PSR J0437-4715. We used the Very Long Baseline Array to obtain scintillation amplitude and phase data, from dynamic spectra at 327 MHz. We observe two scales of scintillation of pulsar PSR J0437-4715, differing by more than an order of magnitude in scintillation bandwidth. The wider-bandwidth scale of scintillation that we observe indicates less scattering for this pulsar than for other nearby pulsars, except for PSR B0950+08.

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