galaxies: haloes
Gas around galaxy haloes III: hydrogen absorption signatures around galaxies and QSOs in the Sherwood simulation suite
... all haloes (Springel & Hernquist ...satellite galaxies (Okamoto et ...of galaxies over redshifts z < 2, the observed gas to stellar mass ratios and specific star formation rates as a function ...
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D'Souza, Richard (2016): Stellar Haloes of Galaxies. Dissertation, LMU München: Fakultät für Physik
... matter haloes form first through hierarchical clustering, where smaller structures coalesce to form larger ones; the luminous content of galaxies then results from cooling and condensation of gas within the ...
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Gas around galaxy haloes II: hydrogen absorption signatures from the environments of galaxies at redshifts 2<z<3
... around galaxies to distances of several comoving ...SFG haloes in the Keck Baryonic Structure Survey using the median Ly α opti- cal depth measurements of Rakic et ...
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Das, Payel (2011): The outer haloes of massive elliptical galaxies. Dissertation, LMU München: Fakultät für Physik
... We use a new non-parametric Bayesian approach to obtain the most probable mass distributions and circular velocity curves along with their confidence ranges, given deprojected density and temperature profiles of the hot ...
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The abundance of ultra diffuse galaxies from groups to clusters : UDGs are relatively more common in more massive haloes
... large galaxies with low surface brightness in local galaxy ...ultra-diffuse galaxies (UDGs) have since been ...host haloes with lower masses, and if so, what their abundance as a function of halo ...
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Ram pressure stripping of the hot gaseous haloes of galaxies using the k - ε sub-grid turbulence model
... We perform three-dimensional hydrodynamic simulations of the ram pressure stripping of the hot extended gaseous halo of a massive galaxy using the k − ǫ sub-grid turbulence model at Mach numbers 0.9, 1.1 and 1.9. The k − ...
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Are over massive haloes of ultra diffuse galaxies consistent with extended MOND?
... Gravitational potential wells of galaxy clusters have been power- ful laboratories to test the current model of dark matter ( Λ CDM) and its alternatives. While acknowledging many shortfalls of the Λ CDM model in ...
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Sawala, Till (2011): Simulations of Dwarf Galaxy Formation. Dissertation, LMU München: Fakultät für Physik
... spheroidal galaxies, the unknown mass-to-light ratios result in a degeneracy between the gravitational potential vari- ation and the velocity anisotropy (Dejonghe & Merritt, ...spheroidal galaxies are ...
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The SCUBA 2 Cosmology Legacy Survey: the clustering of submillimetre galaxies in the UKIDSS UDS field
... elliptical galaxies in the local ...these galaxies were assembled at high redshifts (z ∼ 3–5), with the preceding starburst event taking place on short time-scales of ∼ 500 Myr (Thomas et ...passive ...
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nIFTy cosmology: comparison of galaxy formation models
... matter haloes with galaxies: the HOD (Jing, Mo & Boerner 1998; Cooray & Sheth 2002), as well as the complementary models of the conditional luminosity function (CLF; Yang, Mo & van den Bosch ...
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Galaxy evolution in protoclusters
... matter haloes promotes the growth of protoclus- ter galaxies for two ...First, galaxies form efficiently because the baryonic density is only high enough for star formation in the cores of dark ...
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Halkola, Aleksi (2007): Gravitational Lensing in Galaxy Cluster Abell 1689. Dissertation, LMU München: Fakultät für Physik
... cluster galaxies and by estimating their velocity dispersions using the fundamental ...cluster galaxies is proceeded by identifying multiple image systems in ...cluster galaxies and the smooth halo ...
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SDSS IV MaNGA the spatially resolved transition from star formation to quiescence
... that galaxies with more massive bulges experience a larger amount of energetic feedback from their black ...Seyfert galaxies and quasars) and radio- mode ...of galaxies (inner few ...massive ...
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Righi, Mattia (2008): CO lines and dust emission from merging star-forming galaxies as CMB foregrounds. Dissertation, LMU München: Fakultät für Physik
... In Chapter 2, I modelled the star formation in a merger episode and char- acterized the distribution of the merging systems using the extended Press- Schechter formalism of Lacey & Cole (1993). In each merging ...
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Dark Matter Halo Mergers and Quasars
... Mergers of haloes (and their associated galaxies) have a huge impact on cer- tain phenomena, including sudden bursts of star formation, and quasars. After a merger takes place, gas is funneled towards the ...
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nIFTy cosmology: the clustering consistency of galaxy formation models
... of galaxies in haloes and the two-point correlation functions ...non-orphan galaxies in these ...central galaxies, the scatter between the models when orphan satellites are included can be ...
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The mass function of dark matter haloes
... In reality, haloes possess a variety of physical characteristics that can be employed by observers to form new, and possibly different, countable sets. For example, the Coma cluster is a single object to an X-ray ...
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Chemical evolution of star-forming galaxies in the overdense environment
... for galaxies in inner region of the cluster is greater than the infall time- scale for galaxies in the outskirts, the star-forming galaxies in the inner regions, which have undergone more cycles of ...
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SZ contribution to characterize the shape of galaxy cluster haloes
... We need a combination of more sensitive observational data and a larger cluster sample, as available in the Heritage project, to probe, also as function of halo mass and dynamical state,[r] ...
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The messier objects as a tool in teaching astronomy
... Another site would be the suburban sites. I have con- ducted observations in the Assumption University’s cam- pus in Antipolo City where the Milky Way emerged clear and quite bright in early evening. Here the elusive M1, ...
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