Using the Keck Planet Imager and Characterizer (KPIC), astronomers have performed high-resolution spectroscopic observations of a brown dwarf known as HD 206893 B. Results of the observational ...
HD 206893 B reveals crucial data on atmospheric composition Spectroscopic study shows brown dwarf's mass and temperature Further studies with JWST expected to clarify its formation ...
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 ...
High-resolution spectroscopic observations of the brown dwarf HD 206893 B reveal it has a radius of about 1.11 Jupiter radii, a mass of approximately 22.7 Jupiter masses, and an effective ...