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Identifying nearby field T dwarfs in the UKIDSS Galactic Clusters Survey
N. Lodieu, B. Burningham, N. C. Hambly +1
We present the discovery of two new late-T dwarfs identified in the UKIRT Infrared Deep Sky Survey (UKIDSS) Galactic Clusters Survey (GCS) Data Release 2 (DR2). These T dwarfs are…
Discovery of a redshift 6.13 quasar in the UKIRT Infrared Deep Sky Survey
D. J. Mortlock, M. Patel, S. J. Warren +10
Optical and near-infrared (NIR) spectra are presented for ULAS J131911.29+095951.4 (hereafter ULAS J1319+0950), a new redshift z = 6.127 +/- 0.004 quasar discovered in the Third Da…
Fifteen new T dwarfs discovered in the UKIDSS Large Area Survey
D. J. Pinfield, B. Burningham, M. Tamura +32
We present the discovery of fifteen new T2.5-T7.5 dwarfs (with estimated distances between ~24-93pc, identified in the first three main data releases of the UKIRT Infrared Deep Sky…
Exploring the substellar temperature regime down to ~550K
Ben Burningham, D. J. Pinfield, S. K. Leggett +15
We report the discovery of three very late T dwarfs in the UKIRT Infrared Deep Sky Survey (UKIDSS) Third Data Release: ULAS J101721.40+011817.9 (ULAS1017), ULAS J123828.51+095351.3…
Discovery of a widely separated UCD-WD binary
A. C. Day-Jones, D. J. Pinfield, R. Napiwotzki +6
We present the discovery of the widest known ultracool dwarf - white dwarf binary. This binary is the first spectroscopically confirmed widely separated system from our target samp…
A search for southern ultracool dwarfs in young moving groups
J. R. A. Clarke, D. J. Pinfield, M. C. Galvez-Ortiz +7
We associate 132 low-mass ultracool dwarfs in the southern hemisphere as candidate members of five moving groups using photometric and astrometric selection techniques. Of these ob…