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Photoionisation effects in hydrodynamical simulations of planetary nebulae

  • L. Hernández-Martínez (a1), D. Estrella (a1), P. F. Velázquez (a1), A. Esquivel (a1) and A. C. Raga (a1)...

Abstract

We explored the photoionisation effects on both the proper motion and emission of planetary nebulae NGC 6302, by means of hydrodynamical simulations. We used the GUACHO code, which includes the photoionisation due to central source (Esquivel et al. 2009, Esquivel & Raga 2013). We model these PNe considering an interacting stellar fast wind with and ejected toroidally shaped slow wind (Uscanga et al. 2014). Synthetic Hα emission maps were obtained from our numerical results in order to do a comparison between the cases with and without photoionisation. Using a wavelets fittering method on our results for the ionisation case, we do not find an increase in the proper motion velocities, however we can see an accelerated expansion in both cases. For the ionisation case the Hα emission presents an increase.

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References

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Esquivel, A., Cantó, J., & Rodríguez-González, A. 2009, A&A, 507, 855
Esquivel, A., Lazarian, A., Pogosyan, P., & Chou, , 2003, MNRAS, 342, 325
Esquivel & Raga 2013, ApJ, 779, 111
Hernández-Martínez, et al. in prep.
Raga, A. C., Reipurth, B., Esquivel, A., & Bally, J., 2016, AJ, 151, 113
Szvszka, C., Zijlstra, A. A., & Walsh, J. R., 2011, MNRAS, 416, 715
Uscanga, L., Velazquez, P. F., Esquivel, A., Raga, A. C., & Boumis, P., 2014, MNRAS, 442, 3162
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Keywords

Photoionisation effects in hydrodynamical simulations of planetary nebulae

  • L. Hernández-Martínez (a1), D. Estrella (a1), P. F. Velázquez (a1), A. Esquivel (a1) and A. C. Raga (a1)...

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