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Browsing Articles by Subject "Galaxies -- Evolution"
Now showing items 1-20 of 40
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(Royal Astronomical SocietyOxford University Press, 2011)Encoded within the morphological structure of galaxies are clues related to their formation and evolutionary history. Recent advances pertaining to the statistics of galaxy morphology include sophisticated measures of ...
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(Oxford University PressRoyal Astronomical Society, 2014)We study the angular clustering of z ∼ 2 galaxies using ∼40 000 star-forming (SF) and ∼5000 passively evolving (PE) galaxies selected from ∼2.5 deg[superscript 2] of deep (K[subscript lim] = 23–24 AB) Canada–France–Hawaii ...
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Chemodynamics of a simulated disc galaxy: initial mass functions and Type Ia supernova progenitors (Oxford University Press, 2014-11-11)We trace the formation and advection of several elements within a cosmological adaptive mesh refinement simulation of an L★ galaxy. We use nine realizations of the same initial conditions with different stellar ...
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(Wiley-Blackwell, 2011-11)We present an analysis of the neutral hydrogen (H I) properties of a fully cosmological hydrodynamical dwarf galaxy, run with varying simulation parameters. As reported by Governato et al., the high-resolution, high star ...
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(American Astronomical SocietyIOP Publishing, 2015-06-10)We report the first direct and robust measurement of the faint-end slope of the Ly[alpha] emitter (LAE) luminosity function (LF) at z = 5.7. Candidate LAEs from a low-spectral-resolution blind search with IMACS on ...
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(Royal Astronomical SocietyOxford University Press, 2007)We report the ultraviolet luminosity function (UVLF) of Lyman break galaxies at z∼5 derived from a deep and wide survey using the prime focus camera of the 8.2 m Subaru telescope (Suprime-Cam). Target fields consist of two ...
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(Oxford University Press, 2012-09)We examine the chemical properties of five cosmological hydrodynamical simulations of an M33-like disc galaxy which have been shown previously to be consistent with the morphological characteristics and bulk scaling relations ...
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(American Astronomical Society, 2009-09-01)There is no abstract available for this article.
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(American Astronomical Society, 2000-04)The possibility that the Galactic spheroid was assembled from isolated, chemically distinct proto-Galactic fragments is investigated using a Monte Carlo technique designed to simulate the chemical evolution of the Galaxy ...
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(American Astronomical SocietyIOP Publishing, 2012-01-10)Using new Keck DEIMOS spectroscopy, we examine the origin of the steep number counts of ultra-faint emission-line galaxies recently reported by Dressler et al. We confirm six Ly[alpha] emitters (LAEs), three of which have ...
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(American Astronomical Society, 1998-07)We examine the formation of giant elliptical galaxies using their globular cluster (GC) systems as probes of their evolutionary history. The bimodal distributions of GC metallicities in such galaxies are often cited as ...
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(IOP Publishing Limited, 2011-12)We have conducted an H I 21 cm emission-line survey of six loose groups of galaxies chosen to be analogs to the Local Group. The survey was conducted using the Parkes multibeam instrument and the Australia Telescope Compact ...
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(Oxford University Press, 2012-09)We examine the properties and evolution of a simulated polar disc galaxy. This galaxy is composed of two orthogonal discs, one of which contains old stars (old stellar disc) and the other both younger stars and cold gas ...
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(Oxford University Press, 2012-01)Within a fully cosmological hydrodynamical simulation, we form a galaxy which rotates at 140 km s[superscript −1], and it is characterized by two loose spiral arms and a bar, indicative of a Hubble-type SBc/d galaxy. We ...
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(American Astronomical Society, 2005-12-10)We introduce a very deep, R[subscript lim] ~ 27, multicolor imaging survey of very faint star-forming galaxies at z ~ 4, 3, 2.2, and 1.7. This survey, carried out on the Keck I telescope, uses the very same U[subscript ...
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(American Astronomical SocietyIOP Publishing, 2011-08-20)We investigate the luminosity-dependent clustering of rest-frame UV-selected galaxies at z ∼ 4, 3, 2.2, and 1.7 in the Keck Deep Fields, which are complete to R = 27 and cover 169 arcmin[superscript 2]. We find that at z ...
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(American Astronomical Society and IOP Publishing, 2009-05-01)A numerical code for solving various Ly[alpha] radiative transfer (RT) problems is presented. The code is suitable for an arbitrary, three-dimensional distribution of Ly[alpha] emissivity, gas temperature, density, and ...
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(American Astronomical Society, 2009-10-10)We present results of optical spectroscopic observations of candidates of Lyman break galaxies (LBGs) at z ∼ 5 in the region, including the GOODS-N and the J0053+1234 regions by using Gemini Multi-Object Spectrograph North ...
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(Oxford University Press, 2014-10-01)Using cosmological galaxy formation simulations from the MaGICC (Making Galaxies in a Cosmological Context) project, spanning stellar mass from ∼107 to 3 × 1010 M☉, we trace the ...
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(Wiley-Blackwell, 2012-09)We explore the circumgalactic medium (CGM) of two simulated star-forming galaxies with luminosities L ≈ 0.1 and 1 L★ generated using the smooth particle hydrodynamic code GASOLINE. These simulations are ...
Now showing items 1-20 of 40