Astronomy and Astrophysics – Astrophysics
Scientific paper
1999-11-16
IAU Colloquium 177: Pulsar Astronomy -- 2000 and Beyond
Astronomy and Astrophysics
Astrophysics
2 pages, no figures, LaTeX
Scientific paper
We carried out the Gaussian fitting to the profile of PSR B1237+25 and found that six components rather than five are necessary to make a good fit. In the central part, we found that the core emission is not filled pencil beam but is a small hollow cone. This implies that the impact angle could be $\beta<0.5^\circ$. The ``hollow core'' is in agreement with Inverse Compton Scattering model of radio pulsars.
Han Jian-Long
Liu J. F. J.
Qiao Guo Jun
Wang Yadong
Wu Xin-Ji
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