We present final Spitzer trigonometric parallaxes for 361 L, T, and Y dwarfs. We combine
these with prior studies to build a list of 525 known L, T, and Y dwarfs within 20 pc of the …

We present the first results from our high-precision infrared (IR) astrometry program at the
Canada–France–Hawaii Telescope. We measure parallaxes for 83 ultracool dwarfs …

We present the discovery of another seven Y dwarfs from the Wide-field Infrared Survey
Explorer (WISE). Using these objects, as well as the first six WISE Y dwarf discoveries from …

We present a new volume-limited sample of L0–T8 dwarfs out to 25 pc defined entirely by
parallaxes, using our recent measurements from UKIRT/WFCAM along with Gaia DR2 and …

We present preliminary trigonometric parallaxes of 184 late-T and Y dwarfs using
observations from Spitzer (143), the US Naval Observatory (18), the New Technology …

Abstract By combining the James Webb Space Telescope (JWST)/NIRCam JADES and
CEERS extragalactic data sets, we have uncovered a sample of 21 T and Y brown dwarf …

A complete accounting of nearby objects—from the highest-mass white dwarf progenitors
down to low-mass brown dwarfs—is now possible, thanks to an almost complete set of …

Y dwarfs are the coolest spectral class of brown dwarf. They have effective temperatures
less than 500 K, with the coolest detection as low as∼ 250 K. They make up the low-mass …

We present a catalog of 9888 M, L and T dwarfs detected in the Pan-STARRS1 3π Survey
(PS1), covering three-quarters of the sky. Our catalog contains nearly all known objects of …

We present parallaxes, proper motions, and J-band photometry for 348 L and T dwarfs
measured using the wide-field near-infrared camera WFCAM on the United Kingdom …