Long Period Pulsars

• Not generally seen in optical or X-rays - is this emission produced at light cylinder?

power radiated by synchrotron

For dipole magnetic field :

Also :

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Long period pulsars are not generally seen at optical or X-ray wavelengths - exceptions are the Crab and Vela pulsars. If the optical and X-ray pulses are produced at the light cylinder this would explain why these are not observed.