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Browsing Saint Mary's Faculty Articles and Other Works by Subject "Galaxies -- Evolution"
Now showing items 21-40 of 40
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The main sequence and the fundamental metallicity relation in MaGICC Galaxies: evolution and scatter (Oxford University Press, 2014-08-01)Using cosmological galaxy simulations from the MaGICC project, we study the evolution of the stellar masses, star formation rates and gas-phase abundances of star-forming galaxies. We derive the stellar masses and star ...
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(EDP Sciences, 2012-04)Aims. We examine radial and vertical metallicity gradients using a suite of disk galaxy hydrodynamical simulations, supplemented with two classic chemical evolution approaches. We determine the rate of change of gradient ...
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Missing stellar mass in SED fitting: spatially unresolved photometry can underestimate galaxy masses (Oxford University PressRoyal Astronomical Society, 2015)We fit model spectral energy distributions (SEDs) to each pixel in 67 nearby (= 0.0057) galaxies using broad-band photometry from the Sloan Digital Sky Survey and GALEX. For each galaxy, we compare the stellar mass ...
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(American Astronomical SocietyIOP Publishing, 2010-08-10)We present NICMOS J[subscript 110] (rest-frame 1200–2100 [Angstrom]) observations of the three z = 5.7 Ly[alpha] emitters discovered in the blind multislit spectroscopic survey by Martin et al. These images confirm the ...
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(Oxford University Press, 2016-06-01)Building on the initial results of the nIFTy simulated galaxy cluster comparison, we compare and contrast the impact of baryonic physics with a single massive galaxy cluster, run with 11 state-of-the-art codes, spanning ...
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(Royal Astronomical SocietyOxford University Press, 2013-08-19)We use an adaptation of the BzK[subscript s] technique to select ∼40 000 z ∼ 2 galaxies (to K[subscript AB] = 24), including ∼5000 passively evolving (PE) objects (to K[subscript AB] = 23), from 2.5 deg[superscript 2] of ...
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(Oxford University PressRoyal Astronomical Society, 2019-03)We present the first results of our pilot study of eight photometrically selected Lyman-continuum (LyC) emitting galaxy candidates from the COSMOS field and focus on their optical emission line ratios. Observations were ...
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(EDP Sciences, 2012-11)Aims. We test the validity of comparing simulated field disk galaxies with the empirical properties of systems situated within environments more comparable to loose groups, including the Milky Way’s Local Group. Methods. ...
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(Oxford University Press on behalf of the Royal Astronomical Society, 2012-07)We present a new chemodynamical code – RAMSES-CH – for use in simulating the self-consistent evolution of chemical and hydrodynamical properties of galaxies within a fully cosmological framework. We build upon the adaptive ...
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(Oxford University Press, 2014-06)We present an analysis of the role of feedback in shaping the neutral hydrogen (H I) content of simulated disc galaxies. For our analysis, we have used two realizations of two separate Milky Way-like (∼L★) discs – ...
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(Oxford University Press, 2017-02)We present a catalogue of ∼3000 submillimetre sources detected (≥3.5σ) at 850 μm over ∼5 deg2 surveyed as part of the James Clerk Maxwell Telescope (JCMT) SCUBA-2 Cosmology Legacy Survey ...
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(The American Astronomical SocietyIOP Publishing, 2017-11-20)The SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES) is a three-year JCMT Large Program aiming to reach the 450 μm confusion limit in the COSMOS-CANDELS region to study a representative sample of the high-redshift ...
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(American Astronomical SocietyIOP Publishing, 2009-07-20)We present results of a spectroscopic search for Ly[alpha] emitters (LAEs) in the Cl1604 supercluster field using the extensive spectroscopic Keck/DEep Imaging Multi-Object Spectrograph database taken as part of the ...
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(Royal Astronomical SocietyOxford University Press, 2011-06)We present measurements of the specific star formation rate (SSFR)–stellar mass relation for star-forming galaxies. Our deep spectroscopic samples are based on the Redshift One LDSS3 Emission line Survey (ROLES) and European ...
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(Royal Astronomical Society, 2012-12)By means of high-resolution cosmological hydrodynamical simulations of Milky Way (MW) like disc galaxies, we conduct an analysis of the associated stellar metallicity distribution functions (MDFs). After undertaking a ...
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(American Astronomical SocietyIOP Publishing, 2010-09-10)We present a study of a stellar population of Ly[alpha] emitters (LAEs) at z = 4.86 in the Great Observatories Origins Deep Survey North (GOODS-N) field and its flanking field. The LAEs are selected based on optical ...
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(American Astronomical SocietyIOP Publishing, 2009-03-01)We present the results of spectral energy distribution (SED) fitting analysis for Lyman break galaxies (LBGs) at z ∼ 5 in the Great Observatories Origins Deep Survey North (GOODS-N) and its flanking fields (the GOODS-FF). ...
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(Royal Astronomical Society, 2012-10)Within a cosmological hydrodynamical simulation, we form a disc galaxy with subcomponents which can be assigned to a thin stellar disc, thick disc and a low-mass stellar halo via a chemical decomposition. The thin- and ...
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(American Astronomical SocietyIOP Publishing, 2010-10-01)We explore the feasibility and limitations of using the 1.6 [micron]m bump as a photometric redshift indicator and selection technique, and use it to study the rest-frame H-band galaxy luminosity and stellar mass functions ...
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(American Astronomical Society, 2015-10-20)Solid insight into the physics of the inner Milky Way is key to understanding our Galaxy’s evolution, but extreme dust obscuration has historically hindered efforts to map the area along the Galactic mid-plane. New ...
Now showing items 21-40 of 40