U Sco in the Context of SN Ia Progenitors

Details U Sco in the Context of SN Ia Progenitors U Sco in the Context of SN Ia Progenitors

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..447..311m&link_type=abstract

Evolution of compact binaries. Proceedings of a workshop held at Hotel San Martín, Viña del Mar, Chile 6–11 May 2011. ASP Confe

Astronomy and Astrophysics

Astronomy

Scientific paper

This contributed talk presented the preliminary analysis of the U Sco nebular spectra observed in March and April 2010. The spectra show that U Sco is somehow different from the prototype object we always believed, first, because of the presence of strong forbidden transitions, and second, because their flux ratio suggests that the recurrent nova hosts an ONeMg white dwarf. This makes U Sco unsuitable as SN Ia progenitor.

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