XMM-Newton Proposal 02011605

Details XMM-Newton Proposal 02011605 XMM-Newton Proposal 02011605

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop...63m&link_type=abstract

XMM-Newton Proposal ID #02011605

Physics

Ngc 663, Ngc 869, Ngc 884, Ngc 3766, Ngc 7419, Xmm-Newton Proposal 02011605

Scientific paper

We propose to search for Be + white dwarf binaries in a sample of Be-rich young open clusters totaling over 100 Be stars. XMM has the capability to efficiently detect white dwarfs accreting from the circumstellar envelopes of Be stars. So far no such system has been confirmed and as long as none is found the models on which our understanding of massive X-ray binary evolution are based remain suspect. Making the census of Be + white dwarfs binaries allows to select between the different models put forward to explain the Be phenomenon. This programme is supported by an ongoing optical spectroscopic survey of these clusters conducted by our group.

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