Results 61 to 70 of about 68,679 (236)

Galaxy clusters and groups in the ALHAMBRA Survey [PDF]

open access: yes, 2015
We present a catalogue of 348 galaxy clusters and groups with $0 ...
Aguerri, J. Alfonso L.   +37 more
core   +5 more sources

The properties of the hot gas in galaxy groups and clusters from ID hydrodynamical simulations - I. Cosmological infall models [PDF]

open access: yes, 1997
We report the results of 1-D hydrodynamical modelling of the evolution of gas in galaxy clusters. We have incorporated many of the effects missing from earlier 1-D treatments: improved modelling of the dark matter and galaxy distributions, cosmologically
P. A. Knight, T. Ponman
semanticscholar   +1 more source

Multivariate analysis of the globular clusters in M87

open access: yes, 2015
An objective classification of 147 globular clusters in the inner region of the giant elliptical galaxy M87 is carried out with the help of two methods of multivariate analysis.
Chattopadhyay, Tanuka   +2 more
core   +1 more source

Mind the Gap: Tightening the Mass-Richness Relation with Magnitude Gaps [PDF]

open access: yes, 2013
We investigate the potential to improve optical tracers of cluster mass by exploiting measurements of the magnitude gap, m12, defined as the difference between the r-band absolute magnitude of the two brightest cluster members.
Abazajian   +33 more
core   +1 more source

Galaxy evolution near groups and clusters: ejected satellites and the spatial extent of environmental quenching [PDF]

open access: yes, 2013
Galaxies that are several virial radii beyond groups/clusters show preferentially quiescent star formation rates (SFR). Using a galaxy group/cluster catalogue from the Sloan Digital Sky Survey, together with a cosmologicalN-body simulation, we examine ...
A. Wetzel   +3 more
semanticscholar   +1 more source

Studying the Patterns of the Universe

open access: yesOpen Astronomy, 2011
The SDSS galaxy catalog is one of the best databases for galaxy distribution studies. The SDSS DR8 data is used to construct the galaxy cluster catalog.
Sepp T.   +4 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

Galaxies in Clusters: the Observational Characteristics of Bow-Shocks, Wakes and Tails [PDF]

open access: yes, 1999
The dynamical signatures of the interaction between galaxies in clusters and the intracluster medium (ICM) can potentially yield significant information about the structure and dynamical history of clusters.
Acreman, David M.   +2 more
core   +3 more sources

Reexamination of the Galaxy Formation-regulated Gas Evolution Model in Groups and Clusters [PDF]

open access: yes, 2001
As an alternative explanation of the entropy excess and the steepening of the X-ray luminosity-temperature relation in groups and clusters, the galaxy formation-regulated gas evolution (GG) model proposed recently by Bryan makes an attempt to incorporate
Xiang-Ping Wu, Yan-jie Xue
semanticscholar   +1 more source

NNMT Orchestrates Metabolic‐Epigenetic Reprogramming to Drive Macrophage‐Myofibroblast Transition in Hypertrophic Scarring

open access: yesAdvanced Science, EarlyView.
In macrophage‐myofibroblast transition, upregulated NNMT depletes S‐Adenosylmethionine‌ (SAM) and nicotinamide adenine dinucleotide(NAD+), thereby triggering epigenetic reprogramming via Histone H3 Lysine 27 acetylation (H3K27ac) accumulation at the promoter region of master transcription factor Prrx1.
Xiwen Dong   +11 more
wiley   +1 more source

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