| Issue |
A&A
Volume 436, Number 2, June III 2005
|
|
|---|---|---|
| Page(s) | 607 - 613 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361:20042432 | |
| Published online | 30 May 2005 | |
Effects of a solid surface on jet formation around neutron stars
1
Landessternwarte Heidelberg, Königsstuhl, 69117 Heidelberg, Germany e-mail: M.Stute@lsw.uni-heidelberg.de
2
Section of Astrophysics, Astronomy & Mechanics, Department of Physics, University of Athens, Panepistimiopolis, 157 84 Zografos, Athens, Greece
Received:
25
November
2004
Accepted:
3
February
2005
We present two numerical simulations of an accretion flow from a rotating torus onto a compact object with and without a solid surface – representing a neutron star and a black hole – and investigate its influence on the process of jet formation. We report the emergence of an additional ejection component, launched by thermal pressure inside a boundary layer (BL) around the neutron star and examine its structure. Finally, we suggest improvements for future models.
Key words: ISM: jets and outflows / magnetohydrodynamics (MHD) / methods: numerical
© ESO, 2005
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