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| Paper: |
Decomposition of the Optical Polarisation Components of the Crab Pulsar and its Nebula |
| Volume: |
466, Electromagnetic Radiation from Pulsars and Magnetars |
| Page: |
37 |
| Authors: |
Slowikowska, A.; Mignani, R.; Kanbach, G.; Krzeszowski, K. |
| Abstract: |
The Crab pulsar and its pulsar wind nebula are predominantly sources
of non-thermal radiation (through synchrotron, curvature, and inverse Compton processes),
which is indicated not only by the broadband spectral continua but also by the strong
polarisation that is measured. The outstanding brightness of the Crab across the
electromagnetic spectrum makes it the ideal target to investigate polarisation at
all wavelengths where suitable instrumentation is available. In this paper we compare
the spatially resolved polarisation images from HST with the high-time resolution
measurements from the OPTIMA polarimeter and conclude that the highly polarised inner
knot next to the pulsar contributes substantially to the off-pulse polarisation. |
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