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 β < 0.5°. The “hollow core” is in agreement with Inverse Compton Scattering model of radio pulsars.
CITATION STYLE
Qiao, G. J., Liu, J. F., Wang, Y., Wu, X. J., & Han, J. L. (2000). Hollow Core? International Astronomical Union Colloquium, 177, 197–198. https://doi.org/10.1017/s0252921100059455
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