The Evolution & Structure of Pulsar Wind Nebulae
The Evolution & Structure of Pulsar Wind Nebulae
The Evolution & Structure of Pulsar Wind Nebulae
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Emission & Spectra <strong>of</strong> nebulae<br />
• <strong>The</strong> nature <strong>of</strong> this spectral steepening is not<br />
understood; theory above is based on a simple<br />
pow-law assumption.<br />
• Rapid decline <strong>of</strong> injection (inherent<br />
spectrum deviate from power-law?),<br />
modifications from discrete acceleration<br />
sites, all contribute to a complicated<br />
integrated spectrum.<br />
• “As a result, the interpretation <strong>of</strong> spectral<br />
steepening as being due to synchrotron losses<br />
can lead to drastically wrong conclusions<br />
about PWN properties.”<br />
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