A binary system containing an extremely low-mass (ELM) white dwarf (WD) progenitor and a compact invisible companion, was discovered by Chinese astronomers from the National Astronomical Observatories of Chinese Academy of Sciences (NAOC), using spectroscopic data from LAMOST and P200/DBSP, and multi-band photometric data from Catalina and Zwicky Transient Facility.
A binary system containing an extremely low-mass (ELM) white dwarf (WD) progenitor and a compact invisible companion, was discovered by Chinese astronomers from the National Astronomical Observatories of Chinese Academy of Sciences (NAOC), using spectroscopic data from LAMOST and P200/DBSP, and multi-band photometric data from Catalina and Zwicky Transient Facility.
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