Turn-off of nuclear burning and recovery of accretion in recent galactic novae

Details Turn-off of nuclear burning and recovery of accretion in recent galactic novae Turn-off of nuclear burning and recovery of accretion in recent galactic novae

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..220h&link_type=abstract

XMM-Newton Proposal ID #05060503

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Nova Cyg 2006, Nova Oph 2006, Nova Oph 2006 B, Xmm-Newton Proposal 05060503

Scientific paper

Detection of X-rays from classical novae in their post-outburst stages provides unique and crucial information about the explosion mechanism and the reestablishment of accretion. Soft X-rays reveal if a hot nuclear burning shell remains, whereas harder X-rays give diagnostics about the recovery of accretion and the magnetic or non magnetic character of the reborn cataclysmic variable. The unprecedented sensitivity of XMM-Newton will permit to deduce crucial parameters of the nova evolution: mass of the white dwarf, turnoff timescale, mass burned to helium, if burning is still on, and properties of the ejecta and/or the recovered accretion stream. We propose to observe 3 novae that exploded in 2006, to increase the still scarce data on recent novae.

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