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The Rotation Rate and the Surface Temperature of the Hot, Accreting White Dwarf in the Dwarf Nova RX Andromadae

Szkody, P.; Cheng, F. H.; La Dous, C. +3 more

We obtained Hubble GHRS phase-resolved spectroscopic observations of the dwarf nova RX Andromadae at three times in its outburst cycle: (1) near the end of an extraordinarily deep and long dwarf nova quiescence, 3 months after the last previous outburst; (2) during the rise to outburst; and (3) near the end of a decline from outburst. The spectral…