Ariel 6 Observations of the Hot White Dwarf HZ43

The hot white dwarf HZ43 was observed by the soft X-ray experiment on the Ariel 6 satellite from 1980 March 1.8 to March 8.7. The pulse height spectrum has been fit to an input black body spectrum of temperature 140 000 K. An upper limit of 10% has been placed on the source variability on time scales of minutes.