Refractive scintillation, caustics, and interstellar interferometry of the pulsar PSR 1133+16

Details Refractive scintillation, caustics, and interstellar interferometry of the pulsar PSR 1133+16 Refractive scintillation, caustics, and interstellar interferometry of the pulsar PSR 1133+16

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aipc..174..145w&link_type=abstract

IN: Radio wave scattering in the interstellar medium; Proceedings of the AIP Conference, San Diego, CA, Jan. 18, 19, 1988 (A89-2

Physics

Optics

7

Caustics (Optics), Pulsars, Refractivity, Scintillation, Very Long Base Interferometry, Diffraction Patterns, Interstellar Matter, Light Curve, Pulsar Magnetospheres, Radio Scattering, Spectrum Analysis

Scientific paper

A multiple imaging episode of the pulsar PSR 1133+16 has been detected with the Arecibo telescpe at 1400 MHz. The episode is characterized by intensity variations by a factor of 10 on a timescale of 4 minutes. The observed pulsar 'light curve' has the form of periodic fringes resembling the oscillations expected from simple caustic events. The fringes exhibit pulse longitude dependent shifts in time and frequency similar to those recently found in PSR 1237+25. This suggests another case of successful interstellar interferometry of the pulsar magnetosphere.

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