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Speaker: Lars Nieder, AEI Hannover

Abstract:
So-called "spider pulsars" are rapidly-rotating millisecond pulsars in tight binary systems, irradiating and evaporating their low-mass companions. The search for these pulsars in the radio can be hampered by ionised gas clouds from the ablated companion surface which permeate the binary system. Gamma rays, on the other hand, are unaffected by such gas clouds. In my talk, I will describe new methods to find these "spider pulsars" in gamma-ray data taken by the Fermi satellite, using optical information and the power of the volunteer computing project Einstein@Home. I will describe what we learned from some of these pulsars in multi-wavelength studies, and discuss our hopes for future discoveries.

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