Radio and X-ray burst from PSR 0950+08

Astronomy and Astrophysics – Astronomy

Scientific paper

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Deposition, Pulsars, Radio Astronomy, Radio Bursts, Variability, X Ray Astronomy, X Ray Spectra, Antenna Arrays, Cross Correlation, Goes 7, Ionograms, Ionosondes, Luminosity, Radio Antennas, Radio Telescopes, Solar Flares, Solar X-Rays

Scientific paper

This article describes in detail a burst from PSR 0950+08 on July 29, 1992. This event was observed by two radio telescopes (separated by approximately 200 km) operating at 103 MHz. There exists a very convincing indirect evidence that at the same time the pulsar also emitted a large X-ray flux. The X-ray flux during the event compares with that during a solar X-ray flare. During the event the Sun was extraordinarily quiet as the solar X-ray flux less than or equal to 3 x 10-7 W/sq m only was observed. The cause for the burst is quite unknown and may be complex. However, a possibility of accretion of a comet-like object by a pulsar may provide a reasonable explanation of the observations. These results open some interesting questions about the pulsar physics.

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