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IR flashes from the X-ray rapid burster

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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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Authors and Affiliations

  1. Astronomy Group, Blackett Laboratory, Imperial College, London, SW7 2BZ, UK

    A. W. Jones, M. J. Selby, C. M. Mountain & R. Wade

  2. Instituto de Astrofísica de Canarias, Universidad de La Laguna, Teberife, Spain

    C. Sánchez Magro & Mercedes Prieto Muñoz

Authors
  1. A. W. Jones
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  2. M. J. Selby
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  3. C. M. Mountain
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  4. R. Wade
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  5. C. Sánchez Magro
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  6. Mercedes Prieto Muñoz
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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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