Journal
ASTRONOMY & ASTROPHYSICS
Volume 453, Issue 2, Pages 595-599Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20054280
Keywords
turbulence; pulsars : individual : PSR J0437-4715; scattering
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Aims. We sought to determine the scale of scintillation in the interstellar plasma of PSR J0437-4715. Methods. We used the Very Long Baseline Array to obtain scintillation amplitude and phase data, from dynamic spectra at 327 MHz. Results. 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, other than PSR B0950+08.
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