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We study sky maps and light curves of gamma-ray emission from neutron starsin compact binaries, and in isolation. We briefly review some gamma-rayemission models, and reproduce sky maps from a standard isolated pulsar in theSeparatrix Layer model. We consider isolated pulsars with several variations ofa dipole magnetic field, including superpositions, and predict their gamma-rayemission. Our results provide new heuristics on what can and cannot be inferredabout the magnetic field configuration of pulsars from high-energyobservations. We find that typical double-peak light curves can be produced bypulsars with significant multipole structure beyond a single dipole. For binarysystems, we also present a simple approximation that is useful for rapidexplorations of binary magnetic field structure. Finally, we predict thegamma-ray emission pattern from a compact black hole-neutron star binarymoments before merger by applying the Separatrix Layer model to data simulatedin full general relativity; we find that face-on observers receive littleemission, equatorial observers see one broad peak, and more generic observerstypically see two peaks.

Gamma-radiation sky maps from compact binaries