The old nova CP Puppis: a carbon nova and asynchronous polar?

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Fig. 1

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Sum of 1996 spectra show a possible enhancement of carbon, similar to that deduced for the old nova V840 Oph (Schmidtobreick et al. 2003). Amongst other similarities, these two old novae show a strong C IV λ5804 emission (see spectra published by Duerbeck et al. 1987; Williams & Ferguson 1982).

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