Results 111 to 120 of about 2,145,583 (298)

Investigation of a resistive anode detector for astronomical spectroscopy [PDF]

, 2015
A large format two dimensional photon counting detector has been evaluated as a detector for astronomical spectroscopy. The design comprises an 320 photocathode, a tandem MCP gain stage and a circular arc terminated resisitive anode to provide ...
Clampin, Mark
core   +1 more source

Orbital Capture of Ejecta into Periodic Orbits around Binary Asteroid (65803) Didymos

The Planetary Science Journal
The successful impact of the Double Asteroid Redirection Test (DART) spacecraft on Dimorphos enabled the first-ever extensive observation of a postimpact ejecta tail from a binary asteroid system.
Xiaoyu Fu, Flavia Saveriano, Stefania Soldini, Fabio Ferrari, Derek C. Richardson, Masatoshi Hirabayashi, Alessandro Rossi, Eugene G. Fahnestock, Tony L. Farnham, Arnold Gucsik, Stravro L. Ivanovski, Martin Jutzi, Akos Kereszturi, Jian-Yang Li, Francesco Marzari, Colby C. Merrill, Fernando Moreno, Sabina D. Raducan, Juan Luis Rizos, Gonzalo Tancredi, Josep M. Trigo-Rodriguez, Kleomenis Tsiganis, Stephan Ulamec, Yang Yu, Yun Zhang, Nancy Chabot, Andrew Rivkin, Adriano Campo Bagatin, Patrick Michel   +28 more
doaj   +1 more source

Disorder Driven Anisotropic Nonlinear Hall Effect in the Kagome Metal YbCo6Ge6 at Room Temperature

Advanced Science, EarlyView.
The intrinsic structural disorder and short‐range correlated motifs in the kagome metal YbCo6Ge6 constitute the primary mechanism for a robust and anisotropic nonlinear Hall effect (NLHE). This effect is sustained across a wide temperature range, achieving a nonlinear responsivity of up to ∼4.5 × 10−3 m/V at 70 K, higher than known disordered and ...
Qurat Ul Ain, Weiyao Zhao, Thanh Tung Huynh, Yuefeng Yin, Fang Tang, Yong Fang, Junlin Yan, Jacek Jasieniak, Timothy Petersen, Yang Liu, Nikhil V. Medhekar, Julie Karel   +11 more
wiley   +1 more source

Chromaticity-optimized Antenna Design and Bayesian Foreground Validation for the CANTAR Global 21 cm Experiment

The Astrophysical Journal
Detecting the global 21 cm signal from the epoch of reionization remains a major observational challenge due to bright foregrounds and instrumental systematics.
Michelle Mora, Germán Chaparro, Juan D. Guerrero, Catalina Alzate, Juan P. Urrego, Jimena Giraldo, Pablo Cuartas-Restrepo, Julian Rodriguez-Ferreira, Oscar Restrepo   +8 more
doaj   +1 more source

WGM Single‐Molecule Validation of pH‐Dependent Molecular Energetics at Gold Nanointerfaces: Influence of Buffer Molecules on Glyphosate Ligand Binding

Advanced Science, EarlyView.
Single‐molecule optical sensing reveals how pH and buffer molecules regulate glyphosate interactions with gold nanorods. Combined experiments and theoretical calculations show that changes in molecular charge and competition from buffer species determine whether glyphosate binds transiently or persistently.
Kulathunga Mudalige Kalani Perera, Srikanth Pedireddy, Sivaraman Subramanian, Frank Vollmer   +3 more
wiley   +1 more source

Demystifying Image Recovery from Radio Interferometers: Toward a Multiscale Predictive Model

The Astrophysical Journal Supplement Series
Radio interferometers suffer from the missing short-spacing problem, losing large-scale diffuse emission. This missing flux underestimates gas mass and biases key metrics like star formation efficiency.
Dan Miao, Guang-Xing Li
doaj   +1 more source

Fibre Bragg gratings for high spectral and temporal resolution astronomical observations

, 2012
Dynamic spectral analysis of astronomical events has the potential to deliver the information needed to clarify or complete important theoretical descriptions of astronomical phenomena. There is currently a lack of detailed sub-minute observations due to
Jovanović, Nemanja, Lawrence, Jon S., Parker, Quentin A., Haynes, Roger Daniel, Mariën, Geraldine, Withford., Michael J., Cvetojević, Nick, Williams, Robert J.   +7 more
core   +1 more source

Improving High‐Temperature Operational Stability of Inverted Perovskite Solar Cells Through MXene Heat‐Dissipating Layers

Advanced Science, EarlyView.
MeO‐2PACz‐functionalized MXene nanosheets create a thermally conductive buried interface in inverted perovskite solar cells. The interface improves heat spreading, suppresses defects and ion migration, and strengthens charge extraction, extending T80 at 65°C from 141 to 687 h while maintaining competitive efficiency.
Masoud Karimipour, Nil Monrós Oliveras, Zhenchuan Tian, Timm Swoboda, Francesco Salutari, Marianna Sledzinska, Maria Chiara Spadaro, Kenedy Tabah Tanko, Javier Rodríguez‐Viejo, Jordi Arbiol, Tiankai Zhang, Feng Gao, Monica Lira‐Cantu   +12 more
wiley   +1 more source

STEMin3D: Astronomy VR/XR Simulations

This affordable learning initiative including VR and XR astronomical simulations was created with the assistance of an Affordable Materials Grant.
Magnani, Loris, Song, Inseok, Young, Nicholas, Weliweriya, Nandana, Allen, Robin, Hall, Cassandra   +5 more
core   +1 more source

Analysis of Synthetic O VI Absorption Associated with Galaxy Groups in SIMBA and TNG50 Simulations

The Astrophysical Journal
We compare O vi absorption in synthetic spectra from galaxy groups in the SIMBA and TNG50 cosmological hydrodynamic simulations against those observed from the Cosmic Origins Spectrograph (COS)-IGrM survey. We select 14 galaxy groups from each simulation
Tanmay Singh, Sanchayeeta Borthakur, Dylan Nelson, Romeel Davé, Tyler McCabe   +4 more
doaj   +1 more source