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astro-ph.SR2024★ 2 cited
Period-Luminosity-Metallicity-Color Relations of Late-type Contact Binaries in the Big Data Era
Lian-Yun Song, Zhi-Jia Tian
Binary stars ubiquitous throughout the universe are important. Contact binaries (CBs) possessing Period-Luminosity (PL) relations could be adopted as distance tracers. The PL relat…
astro-ph.GA2024
The rotation curve and mass distribution of M31
Xiangwei Zhang, Bingqiu Chen, Pinjian Chen +2
To gain a better understanding of the Andromeda galaxy M31 and its role in the Local Group, measuring its mass precisely is essential. In this work, we have constructed the rotatio…