RS Oph: Exploring the Site of a Recurrent Symbiotic Nova Explosion

Details RS Oph: Exploring the Site of a Recurrent Symbiotic Nova Explosion RS Oph: Exploring the Site of a Recurrent Symbiotic Nova Explosion

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2089s&link_type=abstract

Chandra Proposal ID #08300851

Physics

Chandra Proposal Id #08300851

Scientific paper

RS Oph is a Recurrent Symbiotic Nova in which a white dwarf orbits inside the outer atmosphere of a red giant and repeatedly explodes on human timescales. Its last outburst began on 12 February 2006 and it is being observed from X-ray wavelengths through to the radio. The X-ray emission is that of a shock moving through the red giant atmosphere and RS Oph is evolving analogously to that of a low-energy Type II Supernova explosion (but faster). By the beginning of Cycle 8, it should be nearly to quiescence and we, therefore, propose two 50 ksec grating observations, separated by about 6 months, in order to study the hot white dwarf and the emission lines from the cooling gas.

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