Results 71 to 80 of about 1,109,066 (343)

Telescope array bursts, radio pulses and axion quark nuggets

European Physical Journal C: Particles and Fields, 2022
Telescope array (TA) experiment has recorded Abbasi et al. (Phys Lett A 381(32):2565–2572, https://doi.org/10.1016/j.physleta.2017.06.022 , 2017), Okuda (J Phys Conf Ser 1181:012067, https://doi.org/10.1088/1742-6596/1181/1/012067 , 2019) several short ...
Xunyu Liang, Ariel Zhitnitsky
doaj   +1 more source

The photoswitchable cannabinoid azo‐HU308 enables optical control of Ca2+ dynamics in INS‐1 β‐cells via off‐target effects on TRPC channels

FEBS Open Bio, EarlyView.
Light activation of the photoswitchable cannabinoid ligand azo‐HU308 triggers Ca2+ influx in pancreatic β‐cells through TRPC channels, independent of CB2 cannabinoid receptors. This reveals a non‐GPCR pathway for cannabinoid modulation of β‐cell Ca2+ dynamics and establishes azo‐HU308 as an optical tool to study cannabinoid signaling through TRP ...
Alexander E. G. Viray, James A. Frank
wiley   +1 more source

Probing the Universe with Fast Radio Bursts

, 2021
Fast Radio Bursts (FRBs) represent a novel tool for probing the properties of the universe at cosmological distances. The dispersion measures of FRBs, combined with the redshifts of their host galaxies, has very recently yielded a direct measurement of ...
S. Bhandari, C. Flynn
semanticscholar   +1 more source

On the Issue of the Origin of Type II Solar Radio Bursts

Astrophysical Journal, 2021
Type II solar radio bursts are among the most powerful events in the solar radio emission in the meter wavelength range. It is generally accepted that the agents generating type II radio bursts are magnetohydrodynamic shock waves.
G. Chernov, V. Fomichev
semanticscholar   +1 more source

STARE2: Detecting Fast Radio Bursts in the Milky Way [PDF]

Publications of the Astronomical Society of the Pacific, 2020
There are several unexplored regions of the short-duration radio transient phase space. One such unexplored region is the luminosity gap between giant pulses (from pulsars) and cosmologically located fast radio bursts (FRBs).
C. Bochenek, D. McKenna, K. Belov, J. Kocz, Shri Kulkarni, J. Lamb, V. Ravi, D. Woody   +7 more
semanticscholar   +1 more source

Optimized Time–Frequency Analysis for Induction Motor Fault Detection Using Hybrid Differential Evolution and Deep Learning Techniques

International Journal of Adaptive Control and Signal Processing, EarlyView.
Workflow of the parameter optimization process for ITSC fault detection, applying Differential Evolution optimization and the Smooth Pseudo Wigner‐Ville Distribution for signal processing. The optimized parameters are then used in the failure identification pipeline, which combines the signal processing with a YOLO‐based architecture for fault severity
Rafael Martini Silva, Avyner Lorran de Oliveira Vitor, Marcelo Favoretto Castoldi, Alessandro Goedtel, Wesley Angelino Souza   +4 more
wiley   +1 more source

Simultaneous Multiwavelength Observations of the Repeating Fast Radio Burst FRB 20190520B with Swift and FAST

The Astrophysical Journal
Among several dozen known repeating fast radio bursts, those precisely localized offer the best opportunities to explore their multiwavelength counterparts, which are key to uncovering their origins.
Zhen Yan, Wenfei Yu, Kim L. Page, Jie Lin, Di Li, Chenhui Niu, Casey Law, Bing Zhang, Shami Chatterjee, Xian Zhang, Reshma Anna-Thomas   +10 more
doaj   +1 more source

On the energy and redshift distributions of fast radio bursts [PDF]

, 2020
Fast radio bursts (FRBs) are millisecond-duration radio transients from cosmological distances. Their isotropic energies follow a power-law distribution with a possible exponential cutoff, but their intrinsic redshift distribution, which contains ...
Rachel C. Zhang, Bing Zhang, Ye Li, D. Lorimer   +3 more
semanticscholar   +1 more source

Infrared Neural Stimulation Elicits Distinct Molecular Pathways in Astrocytes Based on Laser Pulse Parameters

Advanced Biology, EarlyView.
Infrared (IR) light evokes distinct calcium and water transport responses in astrocytes, depending on stimulation duration and protocol. This study uses widefield imaging and pharmacology to reveal differential engagement of astroglial signaling pathways.
Wilson R. Adams, Ana I Borrachero‐Conejo, Pratheepa Kumari Rasiah, Emanuela Saracino, Roberto Zamboni, Eric Duco Jansen, Valentina Benfenati, Anita Mahadevan‐Jansen   +7 more
wiley   +1 more source

Blast Waves from Magnetar Flares and Fast Radio Bursts [PDF]

Astrophysical Journal, 2019
Magnetars younger than one century are expected to be hyperactive: besides winds powered by rotation, they can generate frequent magnetic flares, which launch powerful blast waves into the wind.
A. Beloborodov
semanticscholar   +1 more source