3 papers
astro-ph.SR2025
A magnetic white dwarf formed through a binary merger within 35 million years
Huahui Yan, Jiamao Lin, Rizhong Zheng +15
White dwarfs (WDs) represent the final evolutionary stage of most stars, typically originating from progenitor stars with masses below approximately 8 to 10 …
astro-ph.SR2025
Discovery and characterization of ZTF J0112+5827: An 80.9-minute polar with strong cyclotron features
Jiamao Lin, Liangliang Ren, Chengyuan Li +9
We report the discovery and characterization of ZTF J0112+5827, a new magnetic cataclysmic variable with an orbital period of 80.9 minutes. ROSAT observations revealed X-ray emissi…
astro-ph.SR2024
A Search for Radio Millisecond Pulsar Companions around Extremely Low-mass White Dwarfs with Ellipsoidal Variability
W. J. Huang, Pak-Hin Thomas Tam, L. L. Ren +1
Extremely low-mass white dwarfs (ELM WDs) are helium-core white dwarfs with masses less than 0.3 . Short-period ELM WD binaries that exhibit ellipsoidal variations may h…