Observations of a cataclysmic variable quickly recovered from a nova explosion

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White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, V2487 Oph, Xmm-Newton Proposal 04016601

Scientific paper

The galactic nova, V2487 Oph 1998, was detected in both soft and hard X-rays with XMM in 2000 and 2001. V2487 Oph showed an iron fluorescent line only 2.7 years after its explosion, a clear signature of the very fast recovery of accretion. This was the first time that the recovery of a nova after its explosion was so-clearly seen in X-rays. However, details of emission and the link with cataclysmic variables requires longer observations. Accurate timing and high resolution spectroscopy are essential to determine the main properties of the underlying cataclysmic variable in V2487 Oph, which is also the first nova seen in X-rays prior (with ROSAT all-sky survey) and after its explosion.

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