Reception of radio waves from pulsars

Details Reception of radio waves from pulsars Reception of radio waves from pulsars

2003-10-17

arxiv.org/abs/astro-ph/0310484v1

Astronomy and Astrophysics

Astrophysics

2 pages with 1 figure, uses epsf.sty and newpasp.sty. To appear in "Young Neutron Stars and Their Environments" (IAU Symposium

Scientific paper

The beamed emission by relativistic sources moving along the magnetic dipolar field lines occur in the direction of tangents to the field lines. To receive such a beamed radiation line-of-sight must align with the tangent within the beaming angle 1/gamma, where gamma is the particle Lorentz factor. By solving the viewing geometry, in an inclined and rotating dipole magnetic field, we show that at any given pulse phase observer can receive the radiation only from the specific altitudes. We find the outer conal emission is received from the higher altitudes than the inner conal components including the core. At any pulse phase, low frequency emission comes from the higher altitudes than the high frequency emission. As an application of our model, we have applied it to explain the emission heights of conal components in PSR B0329+54.

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