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The hydrodynamics of bipolar explosions

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Abstract

Bipolarity is a common feature in the outbursts of classical, recurrent and symbiotic novae. In this paper, we present the results of numerical calculations of bipolar explosions in which two parcels of gas are ejected at highly supersonic and oppositely directed velocities into a cold surrounding medium. The calculations demonstrate the formation of a dense ring of shocked material in the plane normal to the line of ejection, due to the interaction of two bowshocks. Observational candidates for this hydrodynamic phenomenon are discussed.

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Authors and Affiliations

  1. Chemical and Physical Sciences, Liverpool John Moores University, Byrom Street, L3 3AF, Liverpool, UK

    H. M. Lloyd

  2. Computing and Mathematical Sciences, Liverpool John Moores University, Byrom Street, L3 3AF, Liverpool, UK

    T. J. O'Brien

  3. Chemical and Physical Sciences, Liverpool John Moores University, Byrom Street, L3 3AF, Liverpool, UK

    M. F. Bode

  4. Department of Astronomy, The University, M13 9PL, Manchester, UK

    F. D. Kahn

Authors
  1. H. M. Lloyd
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  2. T. J. O'Brien
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  3. M. F. Bode
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  4. F. D. Kahn
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This author is supported by the SERC.

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Lloyd, H.M., O'Brien, T.J., Bode, M.F. et al. The hydrodynamics of bipolar explosions. Astrophys Space Sci 216, 161–166 (1994). https://doi.org/10.1007/BF00982489

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