Stellar Cycle and Evolution of Polar Spots in an M+WD Binary

• Published in: The Astrophysical journal Vol. 963; no. 2; pp. 160 - 173
• Main Authors: Zhao, Xinlin, Wang, Song, Li, Xue, Xiang, Yue, Xu, Fukun, Gu, Shenghong, Du, Bing, Liu, Jifeng
• Format: Journal Article
• Language: English
• Published: Philadelphia The American Astronomical Society 01.03.2024; IOP Publishing
• Subjects: Binary stars; Curve fitting; Evolution; Light curve; Magnetic fields; Magnetic induction; Neutron stars; Orbits; Red dwarf stars; Sky surveys (astronomy); Stars; Stellar activity; Stellar evolution; Stellar magnetic fields; White dwarf stars; X-ray emissions

Stellar activity cycles reveal continuous relaxation and induction of magnetic fields. The activity cycle is typically traced through the observation of cyclic variations in total brightness or Ca H&K emission flux of stars, as well as cyclic variations in the orbital periods of binary systems....