Turnoff of H-burning and recovery of accretion in 3 novae detected by XMM

Details Turnoff of H-burning and recovery of accretion in 3 novae detected by XMM Turnoff of H-burning and recovery of accretion in 3 novae detected by XMM

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop....6h&link_type=abstract

XMM-Newton Proposal ID #05501903

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, V5116 Sgr (2005, V5115 Sgr (2005, V2362 Cyg (2006, Xmm-Newton Proposal Id #05501903

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 re establishment of accretion. Soft X-rays reveal if H-nuclear burning is still on, whereas harder X-rays give diagnostics about the ejecta or the properties of the reborn CV. We have detected 3 interesting novae with our monitoring campaign with XMM in AO6. V5116 Sgr (2005) and V5115 Sgr (2005) were still in the supersoft X-ray phase, with V5116 Sgr displaying a puzzling temporal varibility. V2362 Cyg, on the contrary, had already turned-off, but the short effective exposure (due to high radiation) prevented to disentangle the origin of the emission. We propose new observations of these exciting post-novae.

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