Thermal X-Ray Pulses Resulting From Pulsar Glitches

Details Thermal X-Ray Pulses Resulting From Pulsar Glitches Thermal X-Ray Pulses Resulting From Pulsar Glitches

2000-01-21

arxiv.org/abs/astro-ph/0001367v1

Astronomy and Astrophysics

Astrophysics

48 pages, 20 figures, submitted to ApJ

Scientific paper

10.1086/319427

The non-spherically symmetric transport equations and exact thermal evolution model are used to calculate the transient thermal response to pulsars. The three possible ways of energy release originated from glitches, namely the `shell', `ring' and `spot' cases are compared. The X-ray light curves resulting from the thermal response to the glitches are calculated. Only the `spot' case and the `ring' case are considered because the `shell' case does not produce significant modulative X-rays. The magnetic field ($\vec B$) effect, the relativistic light bending effect and the rotational effect on the photons being emitted in a finite region are considered. Various sets of parameters result in different evolution patterns of light curves. We find that this modulated thermal X-ray radiation resulting from glitches may provide some useful constraints on glitch models.

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