Scatter broadening of pulsars in the direction of the Gum nebula

Details Scatter broadening of pulsars in the direction of the Gum nebula Scatter broadening of pulsars in the direction of the Gum nebula

2001-05-04

arxiv.org/abs/astro-ph/0105076v1

Astronomy and Astrophysics

Astrophysics

Astronomy & Astrophysics, 2001, 370, 586

Scientific paper

10.1051/0004-6361:20010274

We have measured the scatter broadening of pulsars in the direction of the Gum nebula. For the first time, our observations show clear variations of scattering properties across the Gum nebula. The IRAS-Vela shell is shown to be a high scattering region. Our revised estimations of distances to these pulsars are consistently less by a factor of 2--3, which has very important consequences for the deduced values of radio luminosity and transverse velocity of pulsars.

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