Hosted on MSN1mon
High-resolution observations shed more light on a peculiar brown dwarf system
The observations found that HD 206893 B has a radius of about 1.11 Jupiter radii and its mass is approximately 22.7 Jupiter masses. The effective temperature of the brown dwarf was measured to be ...
Hosted on MSN2mon
Unusual binary system hosts a massive fast-spinning white dwarf
Mereghetti noted that HD 49798/RX J0648.0–4418 is the only known accretion-powered X-ray binary in which the mass donor is a hot subdwarf. Moreover, the white dwarf's large mass and high spin ...