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Paper: The Discovery of Oxygen Rich Chromospheres in Two Massive DQ White Dwarfs
Volume: 334, 14th European Workshop on White Dwarfs
Page: 245
Authors: Provencal, J.L.; Shipman, H.L.; MacDonald, J.
Abstract: We present HST observations of the massive DQ white dwarfs G227-5 and G35-26 in which we find the first clear evidence of chromospheric activity in cool, helium atmosphere field white dwarfs.
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