标题： 三次灾难性变星中吸积白矮星的脉动的哈勃空间望远镜和光学观测 显示英文标题

标题： HST and Optical Observations of Three Pulsating Accreting White Dwarfs in Cataclysmic Variables

摘要： 使用哈勃太空望远镜的太阳盲通道进行的紫外观测提供了三颗脉动白矮星（位于激变变星 SDSS013132.39-090122.3、SDSSJ161033.64-010223.3 和 SDSSJ220553.98+115553.7 中）的光变曲线和低分辨率光谱。紫外光变曲线显示出比同时期和先前光学测光更高的脉动振幅，而紫外-光学光谱则表明白矮星温度接近 15,000K。这些温度表明吸积白矮星位于非交互式 DAV 白矮星的不稳定区之外，并且显示吸积白矮星的不稳定带是复杂的。 显示英文摘要

摘要： Ultraviolet observations using the Solar Blind Channel on the Hubble Space Telescope provide light curves and low resolution spectra of three pulsating white dwarfs in the cataclysmic variables SDSS013132.39-090122.3, SDSSJ161033.64-010223.3 and SDSSJ220553.98+115553.7. The UV light curves show enhanced pulsation amplitudes over those from simultaneous and previous optical photometry, while the UV-optical spectra are fit with white dwarf temperatures near 15,000K. These temperatures place the accreting white dwarfs outside the instability zone for non-interacting DAV white dwarfs and show that the instability strip is complex for accreting white dwarfs.