QU Carinae: Supernova Ia in the making?

@article{Kafka2012QUCS,
  title={QU Carinae: Supernova Ia in the making?},
  author={S. Kafka and K. Honeycutt and B. Williams},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2012}
}
Variable NaI absorption lines have been reported in a number of type Ia supernovae (SNeIa). The presence of this circumstellar material suggests that cataclysmic variables (CVs) with a giant donor star may be the progenitors of these SNeIa (Patat et al. 2007). We present echelle spectra of the CV QU Carinae which strengthen the connection between CVs of the V Sge class, the Accretion Wind Evolution scenario, variable wind features, variable NaI absorption, and SNIa. This thread not only… Expand
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