Using ESA's XMM-Newton satellite and NASA's Chandra spacecraft, German astronomers have observed a supersoft X-ray source designated RX J0513.9−6951. Results of the observations, published on the ...
A toroidal cathode emits electrons that are guided along trajectories (dark blue) to the inside surface of the conical primary target (anode). Broadband bremsstrahlung X-rays (white) from this primary ...
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