Stability of an ionization front in Bondi accretion
Spherical Bondi accretion is used in astrophysics as an approximation to investigate many types of accretion processes. Two-phase accretion flows that transition from neutral to ionized have observational support in high-mass star formation, and have application to accretion flows around any ionizin...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2021 October 21
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| In: |
Monthly notices of the Royal Astronomical Society
Year: 2021, Jahrgang: 509, Heft: 1, Pages: 559-566 |
| ISSN: | 1365-2966 |
| DOI: | 10.1093/mnras/stab3011 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1093/mnras/stab3011
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| Verfasserangaben: | Eric Keto and Rolf Kuiper |
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| 520 | |a Spherical Bondi accretion is used in astrophysics as an approximation to investigate many types of accretion processes. Two-phase accretion flows that transition from neutral to ionized have observational support in high-mass star formation, and have application to accretion flows around any ionizing source, but the hydrodynamic stability of two-phase Bondi accretion is not understood. With both semi-analytic and fully numerical methods, we find that these flows may be stable, conditionally stable, or unstable depending on the initial conditions. The transition from an R-type to a D-type ionization front plays a key role in conditionally stable and unstable flows. | ||
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