LSR J1835+3259 is a nearby ultracool dwarf[6] of spectral class M8.5,[2] located in constellation Lyra, the discovery of which was published in 2003.

[2][3] Previously it was concluded that this star is a young brown dwarf,[5] but no lithium absorption lines are detected for this object, which is a strong indicator for young brown dwarfs that need 10-100 million years to deplete lithium.

They were found in July 2015 by the Karl G. Jansky Very Large Array in New Mexico by analyzing the emitted radio waves.

[7] The optical emission is mainly red in colour, because the charged particles are interacting with hydrogen in its atmosphere.

Some have speculated that material may be being stripped off the surface of the brown dwarf via stellar winds to produce its own electrons.