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Whole Earth Telescope observations of the hot helium atmosphere pulsating white dwarf EC 20058โ5234
We present the analysis of a total of 177 h of high-quality optical time-series photometry of the helium atmosphere pulsating white dwarf (DBV) EC 20058โ5234. The bulk of the observations (135 h) were obtained during a WET campaign (XCOV15) in 1997 July that featured coordinated observing from four southern observatory โฆ