James Dixson

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We observed the pulsating hydrogen atmosphere white dwarf G 185–32 with the Whole Earth Telescope in 1992. We report on a weighted Fourier transform of the data detecting 18 periodicities in its light curve. Using the Hubble Space Telescope Faint Object Spectrograph time resolved spectroscopy, and the wavelength dependence of the relative amplitudes, we(More)
We report on the analysis of multisite time-series photometry of the pulsating pre-white dwarf (GW Vir star) PG 1707+427, obtained by the Whole Earth Telescope collaboration. This is the last of the known GW Vir stars without surrounding nebulae to be resolved by multisite data. Successful resolution of the pulsation spectrum resulted from the combination(More)
Test Automation Programming Interface with Object Controlled Authentication, TAPIoca, is a Tcl/Tk based automatic test environment. It grew out of the need to construct automatic tests at the system level that could send commands to a System Under Test (SUT), get responses from the SUT, and control signal generation equipment connected to the same SUT.(More)
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