The accretion discs in WZ Sge-type stars in deep quiescence. How do they outburst?

Vitaly Neustroev, Paula Kvist, Miikka Siitonen +1

WZ Sge-type stars are an extreme subclass of dwarf novae characterised by very rare, large-amplitude superoutbursts. Within the disc instability model (DIM), such events are explai…