Observations of a flaring X-ray pulsar in Dorado


The γ-ray burst detector Konus1, on the Venera 11 and Venera 12 spacecraft, detected on 5 and 6 March, 1979 two bursts of hard X rays originating from the same source. These events are quite unusual and of considerable interest. The burst of 5 March was very intense, particularly in the initial phase. This event was also observed by several other spacecraft2. The second burst on 6 March was considerably weaker. The observations reported here permitted us to obtain a detailed time structure of the bursts, to measure their energy spectra and to locate the source on the celestial sphere.

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  1. 1

    Mazets, E. P. et al. Pisma astr. Zh. 5, 163–167 (1979).

  2. 2

    Evans, W. D. et al. IAU Circ. No. 3356 (1979).

  3. 3

    Mazets, E. P. FTI preprint no. 617 (1979).

  4. 4

    Mazets, E. P. et al. FTI preprint no. 618 (1979).

  5. 5

    Willmore, A. P. Rep. Progr. Phys. 41, 511–585 (1978).

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