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Paper: Stability of the Active Longitude of the Giant PZ Mon
Volume: 510, Stars: From Collapse to Collapse
Page: 128
Authors: Pakhomov, Yu. V.; Antonyuk, K. A.; Bondar, N. I.; Pit, N. V.
Abstract: Analysis of photometric data of the active giant PZ Mon is presented. Using ASAS-3 project data and new more accurate photometry we establish that during 15 years of PZ Mon CCD observations the light curve remains stable, and consequently a longitude of the active spotted area is stable. The small deviations may be explained by differential rotation or inhomogeneous distribution of spots on the active hemisphere of PZ Mon. The stability of the active longitude and it's location on the PZ Mon surface indicates on the secondary component as reason of stellar activity.
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