Results 111 to 120 of about 61,905 (297)

COOL-LAMPS. VI. Lens Model and New Constraints on the Properties of COOL J1241+2219, a Bright z = 5 Lyman Break Galaxy and its z = 1 Cluster Lens

The Astrophysical Journal
We present a strong lensing analysis of COOL J1241+2219, the brightest known gravitationally lensed galaxy at z ≥ 5, based on new multiband Hubble Space Telescope (HST) imaging data. The lensed galaxy has a redshift of z = 5.043, placing it shortly after
Maxwell Klein, Keren Sharon, Kate Napier, Michael D. Gladders, Gourav Khullar, Matthew Bayliss, Håkon Dahle, M. Riley Owens, Antony Stark, Sasha Brownsberger, Keunho J. Kim, Nicole Kuchta, Guillaume Mahler, Grace Smith, Ryan Walker, Katya Gozman, Michael N. Martinez, Owen S. Matthews Acuña, Kaiya Merz, Jorge A. Sanchez, Daniel J. Kavin Stein, Ezra O. Sukay, Kiyan Tavangar   +22 more
doaj   +1 more source

Uncertainties in Parameters Estimated with Neural Networks: Application to Strong Gravitational Lensing [PDF]

, 2017
In Hezaveh et al. we showed that deep learning can be used for model parameter estimation and trained convolutional neural networks to determine the parameters of strong gravitational-lensing systems.
L. Perreault Levasseur, Y. Hezaveh, Risa Wechsler   +2 more
semanticscholar   +1 more source

The Roman View of Strong Gravitational Lenses

The Astrophysical Journal
Abstract Galaxy–galaxy strong gravitational lenses can constrain dark matter models and the Lambda cold dark matter cosmological paradigm at subgalactic scales. Currently, there is a dearth of images of these rare systems with high signal-to-noise ratio (SNR) and angular resolution. The Nancy Grace Roman Space Telescope (hereafter Roman),
Bryce Wedig, Tansu Daylan, Simon Birrer, Francis-Yan Cyr-Racine, Cora Dvorkin, Douglas P. Finkbeiner, Alan Huang, Xiaosheng Huang, Rahul Karthik, Narayan Khadka, Priyamvada Natarajan, Anna M. Nierenberg, Annika H. G. Peter, Justin D. R. Pierel, Xianzhe TZ Tang, Risa H. Wechsler   +15 more
openaire   +3 more sources

Measuring Bending Rigidity and Compression Resistance in Pickering Layers

European Journal of Lipid Science and Technology, EarlyView.
This graphical abstract presents the mechanical response of Pickering layers of polystyrene beads (PBs) and clay particles (CPs) under compression. PBs exhibit buckling at 40–70 mN/m, whereas CPs show no buckling. Experimental force–compression curves highlight distinct deformation behaviors, and deviations in bending rigidity emphasize interparticle ...
Negar Azizi, Sachin Rathod, Jaakko V. I. Timonen, Jon Otto Fossum, Paul Gunnar Dommersnes   +4 more
wiley   +1 more source

A New Framework for Understanding Systematic Errors in Cluster Lens Modeling. IV. Constraints from the Giant Arc in Abell 370

The Astrophysical Journal
We aim to improve cluster lens modeling and source reconstruction by utilizing the full information in giant, caustic-crossing arcs lensed by galaxy clusters.
Lana Eid, Charles R. Keeton
doaj   +1 more source

Differentiable probabilistic programming for strong gravitational lensing [PDF]

Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019), 2019
8 pages, 5 figures.
openaire   +4 more sources

The Political Determination of Gaza's Health System Destruction and Reconstruction and the Limitations of International Medical Deployments

The International Journal of Health Planning and Management, EarlyView.
ABSTRACT Gaza's health system has been devastated by a confluence of political determinants that long predated the 2023–25 Israeli military assault and were dramatically intensified during it. Using historical, political economy, ethical, and health systems lenses, this article argues that settler colonialism, military occupation, and a protracted ...
Bilal Irfan, Ibrahim Omeish, Abdulwhhab Abu Alamrain, Belal Aldabbour, Arham Ali, Yassar Arain, Abeerah Muhammad, Khansa Irfan, Mohamed Fawaz, Yousef Barakat, Ruba Musallam, Osaama Khan, Karim Fikry, Muhammad Hamza Shah, Mohammed Halimy, Izzeddin Lulu, Tamer Alkurd, Hadeel Obeid, Roberto Sirvent, James Smith   +19 more
wiley   +1 more source

Precision Measurement of Large Shear Signals

The Astrophysical Journal Letters
So far, estimators of galaxy shape distortions are only carefully studied perturbatively in the case of small shear signals, mainly for weak-lensing science.
Jiarui Sun, Jun Zhang, Li Cui, Alessandro Sonnenfeld, Xin Wang   +4 more
doaj   +1 more source

Utilizing Flow State Therapeutically With Survivors and Refuges of War: An Existential‐Humanistic Approach

The Journal of Humanistic Counseling, EarlyView.
ABSTRACT Survivors and refugees of war often have mental, behavioral, emotional, and spiritual consequences from undergoing civil unrest. In many cases, counselors utilize cognitively‐based therapies as the recommended treatment to alleviate these issues.
Isaac Burt, Luis A. Tosado II
wiley   +1 more source

A Methodological Framework to Study Change in Team Cognition Under the Dynamical Hypothesis

Topics in Cognitive Science, EarlyView., 2023
Abstract The dynamical hypothesis claims that cognitive systems, such as teams, are dynamical systems (i.e., an interdependent collection of individuals and their technology that change together over time). Following this hypothesis, team researchers have adopted dynamical approaches to better understand the team cognitive processes and states that ...
Kyana van Eijndhoven, Travis J. Wiltshire, Elwira A. Hałgas, Josette M. P. Gevers   +3 more
wiley   +1 more source