Beginning in late 1975, astronomers have detected intense, brief, and often repetitive bursts of x rays from an ever‐increasing number of pointlike sources. Recently a Harvard‐MIT group reported observing an optical burst correlated with such an x‐ray burst. Meanwhile, analysis of ten of the 30‐odd known x‐ray bursters has revealed a surprising degree of uniformity among them. Work on theoretical models is also proceeding, and at least one model has recently given good agreement with the observed properties of the bursters.
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© 1979 American Institute of Physics.
1979
American Institute of Physics
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