Galaxy Groups
The masses of satellites in GAMA galaxy groups from 100 square degrees of KiDS weak lensing data
... GAMA galaxy group ...host groups and satel- lite galaxies, including the contribution from the stellar mass for the latter in the form of a point ...GAMA galaxy groups by Viola et ...
14
A KiDS weak lensing analysis of assembly bias in GAMA galaxy groups
... mass, galaxy clustering increases with decreasing star formation rate and that the reshuffling of observational quantities (dynamical mass and the total stellar mass) affects the clustering signal by up to 10 per ...
15
Figueiro Spinelli, Patricia (2011): Weak Lensing Analysis of Galaxy Groups. Dissertation, LMU München: Fakultät für Physik
... study galaxy associations such as clusters and ...of galaxy groups are very relevant in the field of ...to galaxy clusters, groups can be found in abundance at the redshift range where ...
131
Weak Lensing Calibrated M-T Scaling Relation of Galaxy Groups in the COSMOS Field
... The accuracy of the calibration of mass–temperature scaling can be significantly improved by using independent weak lensing cluster mass measurements. However, this type of study has only been performed in the cluster ...
11
Dark matter halo properties of GAMA galaxy groups from 100 square degrees of KiDS weak lensing data
... become available, and significant effort has been made to reliably identify bound structures and study their properties (Eke et al. 2004; Gerke et al. 2005; Berlind et al. 2006; Brough et al. 2006; Knobel et al. 2009). ...
22
Giodini, Stefania (2010): Galaxy groups in the COSMOS survey: cosmic laboratories for galaxy evolution and feedback. Dissertation, LMU München: Fakultät für Physik
... Furthermore, groups are an unstable environments, since while galaxy formation is on- going, the group itself may merge with other groups to build a large ...sense galaxy groups are the ...
137
GAMA+KiDS: Alignment of galaxies in galaxy groups and its dependence on galaxy scale
... Intrinsic galaxy alignments are a source of bias for weak lensing measurements as well as a tool for understanding galaxy formation and ...in galaxy groups, with respect to the brightest group ...
12
The detection and X-ray evolution of galaxy groups at high redshift
... of galaxy groups has, however, received little observational ...high-redshift galaxy groups. Groups at high redshift are difficult to find in two-dimensional optical surveys because of ...
11
Observability of intermittent radio sources in galaxy groups and clusters
... It is well accepted that outflows from active galactic nuclei (AGNs) play an important role in slowing cooling flows (see reviews by e.g. McNamara & Nulsen 2007; Alexander & Hickox 2012; Fabian 2012). The details ...
21
Enrichment of the Hot Intracluster Medium: Observations
... cluster galaxy (BCG) as, unlike our Milky Way, the latter is usually red-and-dead with very few massive stars at present ...cD galaxy, while the bulk of the SNcc enrichment occurred earlier and mixed more ...
49
Stellar mass halo mass relation for the brightest central galaxies of X ray clusters since z~0 65
... of galaxy groups and clusters extracted from the deeper AEGIS, CDFS, COSMOS, XMM-CFHTLS, and XMM-XXL surveys to study the stellar mass - halo mass relation using the largest sample of X-ray groups ...
9
Weak-lensing-inferred scaling relations of galaxy clusters in the RCS2: mass-richness, mass-concentration, mass-bias, and more
... as well as the average mass of samples of clusters and galaxy groups by stacking their lensing signals (e.g. Mandelbaum et al. 2006a; Sheldon et al. 2009; Covone et al. 2014; Ford et al. 2015). From the ...
22
Accretion by the Galaxy
... massive galaxy groups coronal gas can be detected through its X-ray emission, but in low-mass groups such as the Local Group the density and temperature of coronal gas is expected to be too low for ...
7
The galaxy environment in GAMA G3C groups using the Kilo Degree Survey Data Release 3
... from galaxy halos and consequently quench the infall ...the galaxy halo and then trigger the star formation in these ...of galaxy groups and ...
14
Merging Cluster Collaboration: Optical and Spectroscopic Survey of a Radio-selected Sample of 29 Merging Galaxy Clusters
... Merging galaxy clusters have been established as fruitful astrophysical ...two galaxy clusters have collided and the effectively collisionless galaxies and dark matter ( DM ) have become dissociated from ...
14
Constraining the progenitors of short gamma ray bursts
... host galaxy, specifically the 3σ limiting magnitude for GRB 090305A is r 0 (AB) > ...integrated galaxy luminosity for an Sbc type galaxy, ∼ 85% for an Irr galaxy and 55% for an Ell ...host ...
178
Galaxy and Mass Assembly (GAMA): ugriz galaxy luminosity functions
... ugriz galaxy LFs from the GAMA survey, after correcting for imaging, target and spectroscopic ...blue galaxy LFs are reasonably matched, albeit not in detail, by standard Schechter ...red galaxy LF ...
24
Spectroscopic decomposition of the galaxy and halo of the cD galaxy NGC 3311
... the galaxy, as shown in the left panel of ...the galaxy and the small amount of uncontaminated sky background in each pointing, a separate sky exposure was observed alongside each set of science ...
13
Gravitational Model of the Three Elements Theory
... the galaxy luminous points. In this mechanism, the galaxy dust is acting like a fog, occulting the space-time deformation propagations coming from the matter located beyond ...
10
Search | Preprints
... b. Galaxy formation is a local process and its relation to the underlying matter density should be well defined and gauge ...observed galaxy counting should be independent of a choice of the gauge ...
19