Serendipitous observations have revealed fast optical flaring after the onset of X-ray-burst activity from a source in our Milky Way galaxy. It could be the first time this has been observed in a rare kind of neutron star.
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Kouveliotou, C. How fast can you blink?. Nature 455, 477–478 (2008). https://doi.org/10.1038/455477a
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DOI: https://doi.org/10.1038/455477a
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