Consecutive Eclipses of Z Chamaeleontis in Outburst

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Martin Nicholson

3 Grovelands, Daventry, Northamptonshire, NN11 4DH, England

Received November 4, 2008; revised November 24, 2008; accepted November 25, 2008

Observations of two consecutive eclipses of the dwarf nova Z Chamaeleontis are presented. The results obtained confirm that neither the linear, quadratic, nor sinusoidal ephemeris presented in the astronomical literature appear to model accurately the observed period changes.

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