A research group led by assistant professor Wu Chengyuan from Yunnan Observatories of the Chinese Academy of Sciences has investigated the evolution of post-merger remnant resulting from the ...

White dwarfs — the exposed cores of dead stars — are the last place astronomers expected to find an oxygen atmosphere. Yet that’s exactly what recently turned up, providing researchers a rare peek ...

Double white dwarf (WD) binaries are important gravitational wave sources in our galaxy, and their mass is related to the type Ia supernovae, electron capture supernovae and millisecond pulsars.

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Oxygen detector: the Sloane Digital Sky Survey telescope. (Courtesy: Fermilab) The first known white-dwarf star with an oxygen atmosphere has been spotted by astronomers from Brazil and Germany. The ...