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15 papers · 2 filters
The Optical and Near-Infrared Properties of 2837 Quasars in the UKIRT Infrared Deep Sky Survey (UKIDSS)
Kuenley Chiu, Gordon T. Richards, Paul C. Hewett +1
The UKIRT Infrared Deep Sky Survey (UKIDSS) is the first of a new generation of hemispheric imaging projects to extend the work of the Two Micron All Sky Survey (2MASS) by reaching…
Is Ursa Major II the Progenitor of the Orphan Stream?
M. Fellhauer, N. W. Evans, V. Belokurov +9
Prominent in the `Field of Streams' -- the Sloan Digital Sky Survey map of substructure in the Galactic halo -- is an `Orphan Stream' without obvious progenitor. In this numerical…
The star formation rate of CaII and damped Lyman-alpha absorbers at 0.4<z<1.3
Vivienne Wild, Paul Hewett, Max Pettini
[abridged] Using stacked Sloan Digital Sky Survey spectra, we present the detection of [OII]3727,3730 nebular emission from galaxies hosting CaII and MgII absorption line systems.…
The UKIRT Infrared Deep Sky Survey First Data Release
S. J. Warren, N. C. Hambly, S. Dye +37
The First Data Release (DR1) of the UKIRT Infrared Deep Sky Survey (UKIDSS) took place on 2006 July 21. UKIDSS is a set of five large near-infrared surveys, covering a complementar…
New members in the Upper Sco association from the UKIDSS Early Data Release
N. Lodieu, N. C. Hambly, R. F. Jameson
We present the results of a 9.3 square degree infrared (ZYJHK) survey in the Upper Scorpius association extracted from the UKIRT Infrared Deep Sky Survey (UKIDSS) Galactic Cluster…
The 2dF-SDSS LRG and QSO Survey: The Star Formation Histories of Luminous Red Galaxies
Isaac G. Roseboom, Kevin A. Pimbblet, Michael J. Drinkwater +21
We present a detailed investigation into the recent star formation histories of 5,697 Luminous Red Galaxies (LRGs) based on the Hdelta (4101A) and [OII] (3727A) lines. LRGs are lum…
The 2dF-SDSS LRG and QSO (2SLAQ) Luminous Red Galaxy Survey
R. Cannon, M. Drinkwater, A. Edge +29
We present a spectroscopic survey of almost 15,000 candidate intermediate-redshift Luminous Red Galaxies (LRGs) brighter than i=19.8, observed with 2dF on the Anglo-Australian Tele…
CaII and DLA absorption line systems: dust, metals and star formation at 0.4<z<1.3
Vivienne Wild, Paul Hewett, Max Pettini
Absorption line studies of galaxies along the line-of-sight to distant quasars allow a direct observational link between the properties of the extended gaseous disk/halo and of the…
A Curious New Milky Way Satellite in Ursa Major
D. B. Zucker, V. Belokurov, N. W. Evans +29
In this Letter, we study a localized stellar overdensity in the constellation of Ursa Major, first identified in Sloan Digital Sky Survey (SDSS) data and subsequently followed up w…
The nature of the close magnetic white dwarf + probable brown dwarf binary SDSS J121209.31+013627.7
M. R. Burleigh, T. R. Marsh, B. T. Gansicke +16
Optical time series photometry of the short period magnetic white dwarf + probable brown dwarf binary SDSS 121209.31+013627.7 reveals pulse-like variability in all bands from i' to…
An Orphan in the "Field of Streams"
V. Belokurov, N. W. Evans, M. J. Irwin +19
We use Sloan Digital Sky Survey Data Release 5 photometry and spectroscopy to study a tidal stream that extends over 50 degrees in the North Galactic Cap. From the analysis of the…
The UKIRT Infrared Deep Sky Survey (UKIDSS)
A. Lawrence, S. J. Warren, O. Almaini +19
We describe the goals, design, implementation, and initial progress of the UKIRT Infrared Deep Sky Survey (UKIDSS), a seven year sky survey which began in May 2005, using the UKIRT…
The OLS-lens survey: The discovery of five new galaxy-galaxy strong lenses from the SDSS
J. P. Willis, P. C. Hewett, S. J. Warren +2
Bright galaxy-galaxy strong lenses are much more powerful than lensed quasars for measuring the mass profiles of galaxies, but until this year only a handful have been known. Here…
The UKIRT Infrared Deep Sky Survey Early Data Release
S. Dye, S. J. Warren, N. C. Hambly +11
This paper defines the UKIRT Infrared Deep Sky Survey (UKIDSS) Early Data Release (EDR). UKIDSS is a set of five large near-infra-red surveys defined by Lawrence et al. (2006), bei…
The UKIRT Infrared Deep Sky Survey ZYJHK Photometric System: Passbands and Synthetic Colours
Paul C. Hewett, Stephen J. Warren, Sandy K. Leggett +1
The UKIRT Infrared Deep Sky Survey is a set of five surveys of complementary combinations of area, depth, and Galactic latitude, which began in 2005 May. The surveys use the UKIRT…