Models of interacting winds in the 2006 outburst of RS Ophiuchi
Abstract
Following the Swift X-ray observations of the 2006 outburst of the recurrent nova RS Ophiuchi, we developed hydrodynamical models of wind driven shocks to estimate the ejecta mass and velocity. We present here synthetic X-ray spectra computed from our hydrodynamical calculations which we compare to the Swift data. An extensive set of simulations was carried out to find a model which best fits the observations. We find a good fit at high energies but require additional absorption to match the low energy emission. We estimate the ejecta mass to be in the range (2-5) × 10^{-7} Msun and the ejection velocity to be close to 10,000 km/s. We also find that estimates of shock velocities derived from gas temperatures via standard model fits to the X-ray spectra are much lower than the true shock velocities.
- Publication:
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Asymmetric Planetary Nebulae 5 Conference
- Pub Date:
- 2011
- Bibcode:
- 2011apn5.confE.318V
- Keywords:
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- Planetary Nebulae;
- Novae