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Aims: Our aim is to detect and classify previously overlooked brown dwarfs inthe solar neighbourhood. Methods: We performed a proper motion search amongbright sources observed with the Wide-field Infrared Survey Explorer (WISE)that are also seen in the Two Micron All Sky Survey (2MASS). Our candidatesappear according to their red $J$$-$$K_s$ colours as nearby late-L dwarfcandidates. Low-resolution near-infrared (NIR) classification spectroscopy inthe $HK$ band allowed us to get spectroscopic distance and tangential velocityestimates. Results: We have discovered a new L9.5 dwarf, WISEAJ064750.85-154616.4, at a spectroscopic distance of about 14 pc and with atangential velocity of about 11 km/s, typical of the Galactic thin discpopulation. We have confirmed another recently found L/T transition object atabout 10 pc, WISEA J140533.13+835030.7, which we classified as L8 (NIR).

WISEA J064750.85-154616.4: a new nearby L/T transition dwarf