Galaxy: formation
Galaxy star formation in different environments
... of galaxy formation to study signatures of large-scale modu- lations in the star formation (SF) activity in ...of galaxy properties with the environment; we find that the changes found in ...
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Ram pressure stripping in a galaxy formation model I A novel numerical approach
... massive galaxy clusters Abell 1689 (z ∼ ...star formation history and the colour evolution on haloes of different masses; this will be explored in detail in a forthcoming ...
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A Chandra Perspective on Galaxy Wide X ray Binary Emission and its Correlation with Star Formation Rate and Stellar Mass: New Results from Luminous Infrared Galaxies
... larger galaxy-wide area, the total galaxy emission was formally undetected; for this source, we listed the 3σ lower limit on Φ nuc 2 – 8keV / Φ gal 2 – 8keV ...star formation regions ...total ...
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The green valley is a red herring : Galaxy Zoo reveals two evolutionary pathways towards quenching of star formation in early and late type galaxies
... star formation uses up cold gas and stellar processes create strong ...star formation as disc destruction leads to the inflow of gas to the (new) galaxy centre, all on relatively short dynamical ...
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The lack of star formation gradients in galaxy groups up to z ~ 1 6
... in galaxy clusters, the densest regions of the Uni- verse, where it has been shown that the fraction of spiral galaxies decreases rapidly from the cluster outskirts towards the dense core (Dressler ...star ...
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Multiwavelength Study of Massive Galaxies at z~2 I Star Formation and Galaxy Growth
... star formation in massive galaxies occurs too early in the simulations, or was terminated too early due to the adopted truncation of SFR from AGN feedback ...simulated galaxy catalogs based on the model of ...
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CALIBRATION OF SEMI ANALYTIC MODELS OF GALAXY FORMATION USING PARTICLE SWARM OPTIMIZATION
... of galaxy formation in a large ...star formation ( SF ) process and different feedback mechanisms are still poorly understood due to their intrinsic ...of galaxy formation ( SAMs ) play ...
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Recent Galaxy Mergers and Residual Star Formation of Red Sequence Galaxies in Galaxy Clusters
... recent galaxy merger is not a predominant driver of residual star formation in red sequence galaxies, another possible explanation may be gas cooling from internal ...
9
Galaxy interactions II High density environments
... colors with those from the SDSS database; they also find that the new photometry does not affect the fractions of extremely blue galaxies in pairs. On the other hand, different authors (e.g. Kauffmann et al. 2004; Baldry et ...
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Galaxy evolution: A new version of the Besançon Galaxy Model constrained with Tycho data
... Besan¸con Galaxy Model is a stellar population synthesis model, built over the last two decades in Besan¸con (Robin and Cr´ez´e (1986); Robin et ...Each Galaxy population had one such a diagram, which was ...
168
SDSS IV MaNGA: Dependence of Global and Spatially Resolved SFR M ∗ Relations on Galaxy Properties
... The stellar population models are subtracted from the data cube to create an ionized gas emission line cube ( with noise ) . The emission line fl uxes were measured spaxel by spaxel. The SFR was derived using the H α ...
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Ages and Heavy Element Abundances from Very Metal poor Stars in the Sagittarius Dwarf Galaxy
... The most metal-poor star with [ Fe / H ]=− 2.96 in our sample shows a remarkable abundance pattern for a star in Sgr. Overall, its chemical composition resembles that of MW halo stars, except from a low ( uncertain ) ...
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LOW X RAY LUMINOSITY GALAXY CLUSTERS: MAIN GOALS, SAMPLE SELECTION, PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS
... for the formation of early-type galaxies, but also mentioned other possibilities. In particular, an alternative scenario is the hierarchical merging model ( Kauffmann & Charlot 1998; De Lucia et al. 2004 ) . ...
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Unveiling the architecture of the Fornax galaxy cluster with its different stellar systems
... the galaxy mainly from Active Galactic Nuclei (AGN) and Super- novae (SNe) feedback, (ii) interactions with the intracluster medium, (iii) tidal interaction and galaxy ...and galaxy velocity ...
171
Galaxy Merger Candidates in High redshift Cluster Environments
... of galaxy clusters ( Tran et ...cluster galaxy regions ( Webb et ...star formation over cluster and proto-cluster environments at high redshift ( Clements et ...intrinsic galaxy properties ...
9
The clustering of Ly alpha emitters in a Lambda CDM Universe
... of galaxy formation and conditions in the early uni- ...a galaxy is imaged in a combination of three or more opti- cal or near-infrared (near-IR) ...Lyman-break galaxy appears blue in one ...
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A bright, spatially extended lensed galaxy at z = 1 7 behind the cluster RCS2 032727 132623
... star formation rate SFR 77 M yr −1 ...ground galaxy, is a good consistency check of the photometry, SED fitting procedure, and lens ...star formation. When allowing for an episodic star ...
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THE VVV SURVEY REVEALS CLASSICAL CEPHEIDS TRACING A YOUNG AND THIN STELLAR DISK ACROSS THE GALAXY'S BULGE
... The fi ndings discussed here are in general agreement with recent numerical results concerning the ages of stellar constituents residing in the inner Galaxy. In simulated disk galaxies forming stars from cooling ...
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ALMA Observations of Gas rich Galaxies in z ~ 1 6 Galaxy Clusters: Evidence for Higher Gas Fractions in High density Environments
... star formation ( SFR – M å ) is thought to re fl ect the gas regulator model, in which galaxies grow through an in fl ux of fresh gas that fuels star formation and is subsequently balanced by feedback ( ...
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A possible origin of the mass metallicity relation of galaxies
... a galaxy is governed by an overall ...chical galaxy formation to a limiting case – all stars were formed in smaller substructures and in the same way, from which galax- ies are built by mere ...
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