| Issue |
EPJ Web of Conferences
Volume 64, 2014
Physics at the Magnetospheric Boundary
|
|
|---|---|---|
| Article Number | 02008 | |
| Number of page(s) | 4 | |
| Section | Physics at the Magnetospheric Boundary in Compact Objects (Part 2) | |
| DOI | https://doi.org/10.1051/epjconf/20136402008 | |
| Published online | 08 January 2014 | |
https://doi.org/10.1051/epjconf/20136402008
Long-term variability of low-mass X-ray binaries
1 ISDC, University of Geneva, Geneva, CH-1211, Switzerland
2 Space Research Institute, Moscow, 117997, Russia
3 Research School of Astronomy and Astrophysics, ANU, Canberra, ACT 2611, Australia
a e-mail: ekaterina.filippova@unige.ch
Published online: 8 January 2014
We consider modulations of mass captured by the compact object from the companion star’s stellar wind in Low Mass X-ray Binaries with late type giants. Based on 3D simulations with two different hydrodynamic codes used Lagrangian and Eulerian approaches – the SPH code GADGET and the Eulerian code PLUTO, we conclude that a hydrodynamical interaction of the wind matter within a binary system even without eccentricity results in variability of the mass accretion rate with characteristic time-scales close to the orbital period. Observational appearances of this wind might be similar to that of an accretion disc corona/wind.
© Owned by the authors, published by EDP Sciences, 2014
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