Browsing Faculty of Science by Title
Now showing items 1303-1322 of 2590
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Kinematic and Chemical constraints on the formation of M31's inner and outer halo
(2007-11-28)The halo of M31 shows a wealth of substructures that are consistent with satellite accretion. Here we report on kinematic and abundance results from Keck/DEIMOS spectroscopy in the calcium triplet region of over 3500 red ... -
The kinematic footprints of five stellar streams in Andromeda's halo
(2008-10)(abridged) We present a spectroscopic analysis of five stellar streams (`A', `B', `Cr', `Cp' and `D') as well as the extended star cluster, EC4, which lies within streamC, all discovered in the halo of M31 from our ... -
The kinematic identification of a thick stellar disc in M31
(2010-10-25)We present the first characterization of a thick disc component in the Andromeda galaxy (M31) using kinematic data from the DEIMOS multi-object spectrograph instrument on Keck II. Using 21 fields in the South West of the ... -
A kinematic study of the Andromeda dwarf spheroidal system
(2013-02-26)We present a homogeneous kinematic analysis of red giant branch stars within 18 of the 28 Andromeda dwarf spheroidal (dSph) galaxies, obtained using the Keck I LRIS and Keck II DEIMOS spectrographs. Based on their g-i ... -
A kinematically selected, metal-poor stellar halo in the outskirts of M31
(2006-12-10)We present evidence for a metal-poor, [Fe/H]$\sim-1.4$ $\sigma$=0.2 dex, stellar halo component detectable at radii from 10 kpc to 70 kpc, in our nearest giant spiral neighbor, the Andromeda galaxy. This metal-poor sample ... -
Lab-scale chemical vapor deposition onto powders
(AIP Publishing, 2022-07-06)In this paper, a laboratory chemical vapor deposition (CVD) reactor is described, which features an opposing screw rotating fluidized bed. The reactor efficiently concentrates powdered reactants in the reaction zone while ... -
The LABOCA survey of the Extended Chandra Deep Field South - radio and mid-infrared counterparts to submillimetre galaxies
(2010-12-01)We present radio and infrared (3.6-24um) counterparts to submillimetre galaxies (SMGs) detected in the Extended Chandra Deep Field South with the LABOCA 870-um bolometer camera on the 12-m Atacama Pathfinder Experiment. ... -
A LABOCA survey of the Extended Chandra Deep Field South - submillimeter properties of near-IR selected galaxies
(2009-03-31)Using the 330hr ESO-MPG 870-micron survey of the Extended Chandra Deep Field South (ECDF-S) obtained with the Large Apex BOlometer CAmera (LABOCA) on the Atacama Pathfinder EXperiment (APEX), we have carried out a stacking ... -
The LABOCA survey of the Extended Chandra Deep Field South: A photometric redshift survey of submillimetre galaxies
(2010-06-10)[abridged] We derive photometric redshifts from 17-band optical to mid-IR photometry of 74 robust counterparts to 68 of the 126 submillimetre galaxies (SMGs) selected at 870um by LABOCA observations in the ECDFS. The median ... -
The LABOCA Survey of the Extended Chandra Deep Field South: Clustering of submillimetre galaxies
(2011-12-01)We present a measurement of the spatial clustering of submillimetre galaxies (SMGs) at z = 1-3. Using data from the 870 micron LESS survey, we employ a novel technique to measure the cross-correlation between SMGs and ... -
The LABOCA survey of the Extended Chandra Deep Field South: Two modes of star formation in AGN hosts?
(2010-01-30)We study the co-existence of star formation and AGN activity in X-ray selected AGN by analyzing stacked 870um submm emission from a deep and wide map of the Extended Chandra Deep Field South, obtained with LABOCA at the ... -
Lacustrine Cyclic Sedimentation in the Lower Carboniferous Horton Bluff Formation at Rainy Cove, Nova Scotia
(1987-04-15)The Lower Carboniferous Horton Bluff Formation at Rainy Cove in Nova Scotia is an excellent coastal cliff exposure of lacustrine strata. The freshwater depositional conditions are inferred from the presence in the strata ... -
The Lake Fletcher Phosphorus Model
(2016-04) -
Land-Use Change and Aquatic Macroinvertebrate Community Structure in the McIntosh Run, Nova Scotia Canada
(2012-04)Land-cover refers to the physical and biological cover of a land’s surface; including water, vegetation, soil, and/or artificial structures (Ellis 2011). This differs from land-use, which is a more complicated term that ... -
Landscapes of the Five Bridge Lakes Wilderness Area: A Natural History
(Woodens River Watershed Environmental Organization, 2010-02-17)The Five Bridge Lakes Wilderness Area (FBLWA) lies about 20 kilometers west of downtown Halifax, Nova Scotia. It encompasses 8,626 hectares hectares of Crown land located in the centre of the Chebucto Peninsula on Nova ...