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XMM-Newton |
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Two teams--one led by Garmire using NASA's Chandra X-ray Observatory and the other led by Andrea De Luca of the National Institute of Astrophysics in Milan using the European Space Agency's XMM-Newton satellite--have found that X rays emitted by the star wax and wane every 6. Chandra, XMM-Newton and Astro E, since it contains the largest collection of data available on soft x-ray transitions. Patrizia Caraveo of the National Institute of Astrophysics in Milan, Italy, and her colleagues detected the rapid rise and fall of X rays from hot spots on three neutron stars--Geminga, PSR B0656+14, and PSR B1055-52--using the superlative X-ray-collecting mirror of the orbiting XMM-Newton Observatory. |
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