DENIS-P J1228.2−1547

DENIS-P J1228.2-1547 is a system of two nearly equal brown dwarfs, both are of spectral types L5.5:, located in constellation Corvus at approximately 20.2 parsecs or 66.0 light-years from Earth.

History of observations
DENIS-P J1228.2-1547 is one on the first free-floating L dwarfs discovered. It was discovered in 1997 by Xavier Delfosse and colleagues from the DENIS survey.

The second component (B) was discovered by Eduardo L. Martín and colleagues using near-infrared camera NICMOS on Hubble Space Telescope. It was announced in 1999.