2 papers
astro-ph.SR2023
Near-Infrared Ca II Triplet As An Stellar Activity Indicator: Library and Comparative Study
Xin Huang, Yu-JI He, ZhongRui Bai +11
We have established and released a new stellar index library of the Ca II Triplet, which serves as an indicator for characterizing the chromospheric activity of stars. The library…
astro-ph.SR2023
Orbital parameters for an ELM white dwarf with a white dwarf companion: LAMOST J033847.06+413424.2
Hailong Yuan, Zhenwei Li, Zhongrui Bai +14
Double white dwarf systems are of great astrophysical importance in the field of gravitational wave and Type Ia supernova. While the binary fraction of CO core white dwarf is about…