Sporadic Radio pulses from the white dwarf binary with the orbital period of time ILT J1101 can be a white dwarf–M dwarf binary that emits moment-period radio pulses which has a two-h periodicity. The star is so close that it's shedding some of its substance on to the black hole, https://unitconverter29171.onesmablog.com/document-converter-things-to-know-before-you-buy-74392053