galaxy formation
Guo, Qi (2009): Galaxy Formation and Evolution in a LCDM Universe. Dissertation, LMU München: Fakultät für Physik
... follow galaxy formation directly within the evolv- ing dark matter ...structure formation (Kauffmann et ...structure formation framework provided by a dark matter ...the formation, ...
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Cosmic CARNage I: on the calibration of galaxy formation models
... a galaxy formation model one picks an observational data set and adjusts the free parameters (not- ing that some parameters might be fixed during that process) until a sufficient match is obtained ...
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nIFTy cosmology: comparison of galaxy formation models
... semi-analytic galaxy formation code (Benson 2012) was designed to be highly ...Each galaxy has a set of components ...The formation and evolution of galaxies is treated by simply defining a ...
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A model for cosmological simulations of galaxy formation physics
... star formation more efficiently than continuous thermal quasar-mode feedback alone, but is less efficient than mechanical radio-mode feedback in regulating star formation in massive ...our galaxy ...
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Cosmic CARNage II: the evolution of the galaxy stellar mass function in observations and galaxy formation models
... of galaxy formation model in which simple analytic prescriptions (in connection with merger trees from either cosmological simulations or extended Press-Schechter formalisms) are used to model the physical ...
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Galaxy formation near the epoch of reionization
... a galaxy and the V -band luminosity of that galaxy (Harris & van den Bergh, ...from galaxy to galaxy, over a factor of ...for galaxy formation: if the ratio of globular ...
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nIFTy cosmology: the clustering consistency of galaxy formation models
... ARC DP130100117. FF acknowledges financial support from the grants PRIN INAF 2010 ‘From the dawn of galaxy formation’ and PRIN MIUR 2012 ‘The intergalactic medium as a probe of the growth of cosmic ...
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A Merger‐driven Scenario for Cosmological Disk Galaxy Formation
... disk galaxy formation at high redshifts that supple- ments the standard picture based on dissipational col- lapse (White & Rees 1978; Blumenthal et ...disk galaxy both structurally and ...disk ...
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The Hydrangea simulations: galaxy formation in and around massive clusters
... However, this does not explain the higher stellar mass fractions around clusters, because a similarly high stellar mass excess still remains between haloes of similar mass and concentration (Fig. 14). The analysis ...
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A model for cosmological simulations of galaxy formation physics: multi-epoch validation
... 0 galaxy stellar mass function, while also leading to appropriate levels of enrichment in the inter galactic medium (Oppenheimer & Dav´ e 2008; Oppenheimer et ...producing galaxy stellar mass functions ...
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A survey for stellar relics of galaxy formation in the large Magellanic cloud
... overabundances of carbon, with [C/Fe] « `4.0. In the most metal-poor star currently known, with an estimated metallicity of [Fe/H] ď ´6.53 (Nordlander et al. 2017), the abundance trends indicate that the star appears to ...
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Galaxy Formation and Chemical Evolution
... the galaxy in terms of formation and evolution of nu- merically simulated stars of different ...the galaxy formation scenario, the star formation rate, the stellar initial mass function ...
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The three phases of galaxy formation
... the formation of massive galaxies, whose inner regions are formed first and in-situ, while the stars in the outer parts are mainly formed ex-situ and were accreted ...kinematic galaxy components and we try ...
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The EAGLE simulations of galaxy formation: the importance of the hydrodynamics scheme
... star formation rates of the most massive objects are affected by the lack of phase mixing due to spurious surface tension in the simulation using standard ...star formation in these galaxies and it also ...
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Galaxy formation efficiency and the multiverse explanation of the cosmological constant with EAGLE simulations
... the formation of galaxies and ...star formation rate in our Universe peaks at t = 3 ...star formation history and efficiency of the ...the formation of structure in the universe is not a sharp ...
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Observing Galaxy Formation in the First Two Billion Years
... et al., 2006), comparable to the lifetime of massive stars before they may explode as supernovae. Hence, these galaxies are observed at such a young stage that they have not had sufficient time to convert more than ...
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The effects of galaxy formation on the matter power spectrum: A challenge for precision cosmology
... The black holes inject 1.5 per cent of the rest mass en- ergy of the accreted gas into the surrounding matter in the form of heat. This feedback efficiency determines the nor- malisation, but not the slope, of the ...
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Understanding Galaxy Formation and Evolution with Realistic Simulations
... of galaxy properties ...star formation takes place, how galactic winds are launched by stellar feedback, and how the winds interact with the circumgalactic medium ...star formation, and stellar ...
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Historical Note: N C Rana: Life and His Contributions in Astrophysical Science
... the CMBR could show a better fit in a G-varying cosmology both at long and short wavelengths. In another work, Rana (1983, p. 1161) described the early universe with special emphasis to the synthesis of helium and ...
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The effect of baryons on redshift space distortions and cosmic density and velocity fields in the EAGLE simulation
... of galaxy formation reproduces many properties of the galaxy population which suggests that the galaxy formation implementation is plausible in the sense that it does not invoke un- ...
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