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arxiv: 0809.4593 · v1 · submitted 2008-09-26 · 🌌 astro-ph

Swift Observations of Shock Evolution in RS Ophiuchi

M. F. Bode (1) , J. P. Osborne (2) , K. L. Page (2) , A. P. Beardmore (2) , T. J. O'Brien (3) , J.-U. Ness (4) , S. Starrfield (4) , G. K. Skinner (5)
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M. J. Darnley (1) J. J. Drake (6) A. Evans (7) S. P. S. Eyres (8) J. Krautter (9) G. Schwarz ((1) Astrophysics Research Institute Liverpool John Moores University UK (2) Department of Physics Astronomy University of Leicester (3) School of Physics University of Manchester (4) School of Earth Space Exploration Arizona State University USA (5) NASA Goddard Space Flight Center Greenbelt MD (6) Harvard-Smithsonian Center for Astrophysics Cambridge MA (7) Astrophysics Group Keele University (8) Centre for Astrophysics University of Central Lancashire (9) Landessternwarte Heidelberg Germany (10) Department of Geology West Chester University USA)
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classification 🌌 astro-ph
keywords emissiontimesdataevolutionobservationsshockswifttextit
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Our \textit{Swift} observations of RS Oph form an unprecedented X-ray dataset to undertake investigations of both the central source and the interaction of the outburst ejecta with the circumstellar environment. Over the first month, the XRT data are dominated by emission from rapidly evolving shocks. We discuss the differences in derived parameters from those found for \textit{RXTE} at early times and the evolution of the X-ray emission to much later times. It is apparent that at late times several emission components are present. We find no strong evidence of the proposed shock break-out in our data.

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