Rushton, M. T., Evans, A., Eyres, S. P. S., van Loon, J. Th. and Smalley, B.
How peculiar is the ‘peculiar variable’ DZ Crucis (Nova Cru 2003)?
Monthly Notices of the Royal Astronomical Society, 386
Official URL: http://dx.doi.org/10.1111/j.1365-2966.2008.13031.x
The variable star DZ Cru was thought to be a nova when it was discovered in eruption in 2003 August. This explanation was later challenged, however, when the first spectra of the object were reported. We present near-infrared spectroscopy of DZ Cru obtained at the New Technology Telescope on three occasions, starting ∼1.5 yr after outburst, with the aim of establishing the nature of the object. The spectra display H i, O i, [N i] emission lines, together with He i P Cygni lines superposed on a dust continuum. These observations suggest the ‘peculiar variable in Crux’ is a classical nova.
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