We discovered three ultracompact binaries with accreting white dwarfs (WDs), by their photometric and spectroscopic variability. With orbital periods of 13.2/8.7/7.9 mins, they are the most compact binaries with accretion disks! (1/6)
We discovered three ultracompact binaries with accreting white dwarfs (WDs), by their photometric and spectroscopic variability. With orbital periods of 13.2/8.7/7.9 mins, they are the most compact binaries with accretion disks! (1/6)