Abstract
THE discovery of optical bursts from the X-ray burst source MXB1735–44 was reported in a previous article1. One burst event was detected in both X rays and optical light. We showed (in Fig. 1 of the earlier article) that the optical burst is delayed by ≈ 1.5 s relative to the X ray burst. We concluded that to within the accuracy of the SAS 3 quick-look data timing (±1 s), the onset of the optical burst was coincident with that in X rays. A few months after the completion of our earlier paper, SAS 3 production data became available. We here report a re-analysis of the arrival times of the X ray and optical bursts based on these data which contain the universal time to an accuracy of ≲5 ms. We now find (as shown in Fig. 1) that the optical burst is delayed significantly by 2.8 s.
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MCCLINTOCK, J., CANIZARES, C., VAN PARADIJS, J. et al. A 3-s delay in an optical burst from X-ray burst source MXB1735 – 44. Nature 279, 47–49 (1979). https://doi.org/10.1038/279047a0
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DOI: https://doi.org/10.1038/279047a0
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