Abstract
Photometric observations of the variable star TX Oph were performed with CCD photometers during the observing seasons of 1999, 2000, and 2002. Analysis of these observations together with published data has confirmed the mean period of the main variability cycle P = 135d. 2613 over almost 70 years. A secondary cycle with a period of about 10–12 thousand days has also been found.
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