Circumstellar interaction in the extreme white dwarf merger remnant ZTF\,J1901+1458: A new class of white dwarf merger remnants with X-ray emission

Aayush Desai, Ilaria Caiazzo, Stephane Vennes +31

Double degenerate white dwarf (WD) mergers can exhibit extreme magnetic fields exceeding $10^8$ G and rapid rotation, but their spectral-energy distributions and high-energy emis…