The X-ray Nebula around the Recurrent Nova T Pyxidis

Astronomy and Astrophysics – Astronomy

Scientific paper

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X-Ray, Cataclysmic Variable, Nova

Scientific paper

We resolved and detected an X-ray nebulosity around the recurrent nova T Pyx using a 100 ksec observation with the ACIS-S detector on board the Chandra Observatory during the quiescent phase of the nova. The observations were obtained as three separate pointings on 31 December 2011, 02 February 2011 and 5 February 2011. The resolved nebula shows sub-structure, but overall has an elliptical shape with an inner semi-major axis of 0.45 arc sec and outer semi-major axis of 0.87 arc sec which may indicate a torus-like shell formation around the nova.

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