Early decline spectra of Nova SMC 2001 and Nova LMC 2002

Abstract

We report results on the spectroscopic follow-up of Nova SMC 2001 and Nova LMC 2002 carried out at La Silla. The analysis of the spectroscopic evolution shows that these objects belong to the {\sl Fe II} class, according to the Cerro Tololo scheme. From the line fluxes and the expansion velocities, we have derived an approximate mass for the ejected shells of 2$÷3\times 10^{-4}{M}_{\odot }$. The filling factor measurements ($\epsilon \sim 10^{-4}÷10^{-1}$) suggest a clumpy structure for the ejecta.

arXiv comment11 pages+5 figures A&A in press

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