Results 1 to 10 of about 9,144 (237)

Scaling Properties of Galaxy Groups [PDF]

open access: yesUniverse, 2021
Galaxy groups and poor clusters are more common than rich clusters, and host the largest fraction of matter content in the Universe. Hence, their studies are key to understand the gravitational and thermal evolution of the bulk of the cosmic matter ...
Lorenzo Lovisari   +3 more
doaj   +2 more sources

THE PECULIARITIES IN O-TYPE GALAXY CLUSTERS

open access: yesOdessa Astronomical Publications, 2017
We present the results of analysis of 2D distribution of galaxies in galaxy cluster fields. The Catalogue of Galaxy Clusters and Groups PF (Panko & Flin) was used as input observational data set.
E. A. Panko, S. I. Emelyanov
doaj   +2 more sources

Galaxy Evolution in Groups and Clusters [PDF]

open access: yes, 2004
In this thesis, we investigate the extent to which galaxy evolution is driven by processes common to the group and cluster environments. A bimodality of galaxy properties such as star formation, strongly dependent upon the local overdensity of galaxies ...
Wilman, David John
core   +6 more sources

Properties of Fossil Groups of Galaxies

open access: yesUniverse, 2021
We review the formation and evolution of fossil groups and clusters from both the theoretical and the observational points of view. In the optical band, these systems are dominated by the light of the central galaxy.
J. Alfonso L. Aguerri, Stefano Zarattini
doaj   +1 more source

The Effect of Splashback on Weak Lensing Mass Estimates of Galaxy Clusters and Groups

open access: yesThe Open Journal of Astrophysics, 2023
The splashback radius of a dark matter halo, which corresponds to the first apocenter radius reached by infalling matter and substructures, has been detected around galaxy clusters using a multitude of observational methods, including weak lensing ...
Yuanyuan Zhang   +5 more
doaj   +2 more sources

Genome-wide prediction of cloned disease resistance homologues across the Oryza genus. [PDF]

open access: yesPlant Genome
Abstract The wild relatives of rice (Oryza sativa L.) represent reservoirs of genetic diversity and potential sources of novel pest and disease resistance. The recent availability of high‐quality Oryza genome assemblies has enabled greater exploration of this diversity across the genus.
Morrison S   +4 more
europepmc   +2 more sources

Hot Atmospheres of Galaxies, Groups, and Clusters of Galaxies [PDF]

open access: yes, 2020
Accepted for publication in the book "Reviews in Frontiers of Modern Astrophysics: From Space Debris to Cosmology" (eds Kabath, Jones and Skarka; publisher Springer Nature) funded by the European Union Erasmus+ Strategic Partnership grant "Per Aspera Ad Astra Simul" 2017-1-CZ01-KA203 ...
Werner, Norbert, Mernier, François
openaire   +2 more sources

Galaxy and mass assembly (GAMA): the clustering of galaxy groups [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2021
ABSTRACT We explore the clustering of galaxy groups in the Galaxy and Mass Assembly (GAMA) survey to investigate the dependence of group bias and profile on separation scale and group mass. Due to the inherent uncertainty in estimating the group selection function, and hence the group autocorrelation function, we instead measure the ...
S D Riggs   +6 more
openaire   +3 more sources

Genome-Wide Identification and Structural Characterization of Secondary Metabolite Biosynthetic Gene Clusters in African Baobab (Adansonia digitata). [PDF]

open access: yesChem Biodivers
Genome‐wide computational analysis of the African baobab (Adansonia digitata) identifies 50 candidate biosynthetic gene clusters spanning terpene, polyketide, cyclopeptide, and lignan pathways, including nine BURP‐domain clusters linked to putative chemical defense.
Elshikh AA, Kabbashi AS, Musa IM.
europepmc   +2 more sources

Galaxy Quenching with Mass Growth History of Galaxy Groups and Clusters: The Importance of Post-processing

open access: yesThe Astrophysical Journal, 2023
We investigate the fraction of quenched satellite galaxies in host galaxy groups and clusters using TNG300 in the IllustrisTNG cosmological magnetohydrodynamical simulations.
So-Myoung Park   +7 more
doaj   +1 more source

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