779 citations · 2.5k across the 28 of their papers we have counts for
29 papers
A Bayesian Approach to the Vertical Structure of the Disk of the Milky Way
P. Dobbie, S. J. Warren
This work investigates the vertical profile of the stars in the disk of the Milky Way. The models investigated are of the form where, setting , the th…
A homogeneous sample of 34 000 M7-M9.5 dwarfs brighter than =17.5 with accurate spectral types
S. Ahmed, S. J. Warren
The space density of late M dwarfs, subtypes M7-M9.5, is not well determined. We applied the photo-type method to photometry from the Sloan Digital Sky Survey and photo…
Spitzer Mid-Infrared Photometry of 500 - 750 K Brown Dwarfs
S. K. Leggett, L. Albert, E. Artigau +11
Mid-infrared data, including Spitzer warm-IRAC [3.6] and [4.5] photometry, is critical for understanding the cold population of brown dwarfs now being found, objects which have mor…
The reanalysis of spectra of GRB 080913 to estimate the neutral fraction of the IGM at a redshift of 6.7
M. Patel, S. J. Warren, D. J. Mortlock +1
Aims: We reanalyse optical spectra of the z=6.7 gamma-ray burst GRB 080913, adding hitherto unpublished spectra, in order to reassess the measurement of the neutral fraction of the…
Mid-Infrared Photometry of Cold Brown Dwarfs: Diversity in Age, Mass and Metallicity
S. K. Leggett, Ben Burningham, D. Saumon +7
We present Spitzer IRAC photometry of twelve very late-type T dwarfs; nine have [3.6], [4.5], [5.8] and [8.0] photometry and three have [3.6] and [4.5] photometry only. We investig…
The distance to the cool T9 brown dwarf ULAS J003402.77-005206.7
R. L. Smart, H. R. A. Jones, M. G. Lattanzi +8
Aims. We demonstrate the feasibility of determining parallaxes for nearby objects with theWide Field Camera on the United Kingdom Infrared Telescope (UKIRT) using the UKIRT Infrare…