Dwarf novae in outburst: simultaneous ultraviolet and optical observations of VW Hydri
Open Access
- 1 February 1985
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 212 (3) , 645-655
- https://doi.org/10.1093/mnras/212.3.645
Abstract
We present simultaneous spectrophotometry of the dwarf nova VWHydri in the range 1200–7000 Å. The main set of observations cover one complete outburst, including the rise and the decline. Comparing these data with data from other outbursts of VW Hyi we find that all the data can be interleaved. This underlines the similarity in the behaviour of the continuum flux distribution from outburst to outburst. In particular we confirm the discovery by Hassall et al. that the outburst starts at optical wavelengths and spreads later to the ultraviolet.Keywords
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