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Consecutive Eclipses of Z Chamaeleontis in Outburst

Volume 37 number 1 (2009)

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

Abstract

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.