Abstract
We confirm here the report of Kulkarni et al.1 who discovered IR bursts from the X-ray rapid burster, MXB1730–335. We observed two bursts at 2.2 µm, each of energy ∼1031 J, and a new feature; several bright, brief flashes (Δt< 1 s) superimposed on the burst continuum. The brevity, luminosity and inferred brightness temperature of the flashes (TB≳1010K) imply a powerful, non-thermal emission mechanism. Simultaneous observations across the whole spectrum with high time resolution would be invaluable in understanding the emission process.
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References
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Jones, A., Selby, M., Mountain, C. et al. IR flashes from the X-ray rapid burster. Nature 283, 550–551 (1980). https://doi.org/10.1038/283550a0
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DOI: https://doi.org/10.1038/283550a0
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