VIRAC: the VVV Infrared Astrometric Catalogue

LC Smith, PW Lucas, R Kurtev, R Smart… - Monthly Notices of …, 2018 - academic.oup.com
We present VIRAC version 1, a near-infrared proper motion and parallax catalogue of the
VISTA Variables in the Via Lactea (VVV) survey for 312 587 642 unique sources averaged …

A review on substellar objects below the deuterium burning mass limit: Planets, Brown Dwarfs or What?

JA Caballero - Geosciences, 2018 - mdpi.com
“Free-floating, non-deuterium-burning, substellar objects” are isolated bodies of a few
Jupiter masses found in very young open clusters and associations, nearby young moving …

WISEA J041451. 67–585456.7 and WISEA J181006. 18–101000.5: The First Extreme T-type Subdwarfs?

AC Schneider, AJ Burgasser, R Gerasimov… - The Astrophysical …, 2020 - iopscience.iop.org
We present the discoveries of WISEA J041451. 67− 585456.7 and WISEA J181006. 18−
101000.5, two low-temperature (1200–1400 K), high proper motion T-type subdwarfs. Both …

Primeval very low-mass stars and brown dwarfs–VIII. The first age benchmark L subdwarf, a wide companion to a halo white dwarf

ZH Zhang, R Raddi, AJ Burgasser… - Monthly Notices of …, 2024 - academic.oup.com
We report the discovery of five white dwarf+ ultracool dwarf systems identified as common
proper motion wide binaries in the Gaia Catalogue of Nearby Stars. The discoveries include …

The Ultracool SpeXtroscopic Survey. I. Volume-limited Spectroscopic Sample and Luminosity Function of M7− L5 Ultracool Dwarfs

DCB Gagliuffi, AJ Burgasser, SJ Schmidt… - The Astrophysical …, 2019 - iopscience.iop.org
We present a volume-limited, spectroscopically verified sample of M7− L5 ultracool dwarfs
(UCDs) within 25 pc. The sample contains 410 sources, of which 93% have trigonometric …

Physical properties and trigonometric distance of the peculiar dwarf WISE J181005. 5− 101002.3

N Lodieu, MRZ Osorio, EL Martín, RR López… - Astronomy & …, 2022 - aanda.org
Aims. Our goal is to characterise the physical properties of the metal-poor brown dwarf
population. In particular, we focus on the recently discovered peculiar dwarf WISE 1810055 …

Brown dwarf census with the Dark Energy Survey year 3 data and the thin disc scale height of early L types

A Carnero Rosell, B Santiago… - Monthly Notices of …, 2019 - academic.oup.com
In this paper we present a catalogue of 11 745 brown dwarfs with spectral types ranging
from L0 to T9, photometrically classified using data from the Dark Energy Survey (DES) year …

Ultracool spectroscopic outliers in Gaia DR3

WJ Cooper, RL Smart, HRA Jones… - Monthly Notices of the …, 2024 - academic.oup.com
Gaia DR3 provided a first release of RP spectra and astrophysical parameters for ultracool
dwarfs (UCDs). We used these Gaia RP spectra and astrophysical parameters to select the …

Primeval very low-mass stars and brown dwarfs–VI. Population properties of metal-poor degenerate brown dwarfs

ZH Zhang, AJ Burgasser… - Monthly Notices of …, 2019 - academic.oup.com
We presented 15 new T dwarfs that were selected from UKIRT Infrared Deep Sky Survey,
Visible and Infrared Survey Telescope for Astronomy, and Wide-field Infrared Survey …

Ccd parallaxes for 309 late-type dwarfs and subdwarfs

CC Dahn, HC Harris, JP Subasavage… - The Astronomical …, 2017 - iopscience.iop.org
New, updated, and/or revised CCD parallaxes determined with the Strand Astrometric
Reflector at the Naval Observatory Flagstaff Station are presented. Included are results for …