HST STIS spectroscopy of VW Hydri during early quiescence following a superoutburst

Details HST STIS spectroscopy of VW Hydri during early quiescence following a superoutburst HST STIS spectroscopy of VW Hydri during early quiescence following a superoutburst

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aspc..261...69s&link_type=abstract

The Physics of Cataclysmic Variables and Related Objects, ASP Conference Proceedings, Vol. 261. Edited by B. T. Gänsicke, K. Beu

Physics

2

Scientific paper

We have obtained two Hubble Space Telescope STIS spectra of the SU UMa-type dwarf nova VW Hydri at two points in early quiescence following a superoutburst. Multi-spectral component model fitting to the data reveals a 23 000 K heated white dwarf with chemical abundances indicative of nucleosynthetic processing (supporting a link between dwarf novae and classical novae), and a rotation of 400 km/s. Our best-fit models result when a rapidly spinning accretion belt with solar composition is present in addition to the cooler, more slowly rotating photosphere.

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