Results 81 to 90 of about 46,290 (218)
Effects of Forbush Decreases on the Global Electric Circuit
Space Weather, Volume 22, Issue 4, April 2024.Abstract The suppression of high‐energy cosmic rays, known as Forbush decreases (FDs), represents a promising factor in influencing the global electric circuit (GEC) system. Researchers have delved into these effects by examining variations, often disruptive, of the potential gradient (PG) in ground‐based measurements taken in fair weather regions.
J. Tacza, G. Li, J.‐P. Raulin
wiley +1 more source
The Astrophysical JournalWe present new James Webb Space Telescope (JWST) Mid-Infrared Instrument Medium-Resolution Spectrometer observations of the nearby ultraluminous infrared galaxy (ULIRG) F08572+3915 NW. These integral field spectroscopic (IFS) data reveal a kpc-scale warm-
Kylie Yui Dan +11 more
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Very-high energy gamma-ray astronomy: A 23-year success story in high-energy astroparticle physics
, 2012 Very-high energy (VHE) gamma quanta contribute only a minuscule fraction - below one per million - to the flux of cosmic rays. Nevertheless, being neutral particles they are currently the best "messengers" of processes from the relativistic/ultra ...
A. Abramowski +92 more
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Statistical Analysis and Data Mining: The ASA Data Science Journal, Volume 17, Issue 1, February 2024.Abstract We propose a simple, statistically principled, and theoretically justified method to improve supervised learning when the training set is not representative, a situation known as covariate shift. We build upon a well‐established methodology in causal inference and show that the effects of covariate shift can be reduced or eliminated by ...
Maximilian Autenrieth +3 more
wiley +1 more source
The Astrophysical JournalRecent theoretical work and targeted observational studies suggest that filaments are sites of galaxy preprocessing. The aim of the WISESize project is to directly probe galaxies over the full range of environments to quantify and characterize extrinsic ...
Kim Conger +16 more
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Creation Field Cosmological Model with Variable Cosmological Term (Λ) in Bianchi Type III Space‐Time
Advances in High Energy Physics, Volume 2024, Issue 1, 2024.The paper is devoted to the study of cosmological models with time‐varying cosmological term (Λ) in the presence of creation field in the framework of Bianchi type III space‐time. To obtain deterministic model of the universe, we have assumed Λ ∝ 1/R3, where R is the scale factor, for steady state cosmology and creation field, and shear (σ) is ...
Raj Bali, Seema Saraf, Donato Nicolo
wiley +1 more source
The Era of Kilometer-Scale Neutrino Detectors
Advances in High Energy Physics, 2013 Neutrino astronomy beyond the Sun was first imagined in the late 1950s; by the 1970s, it was realized that kilometer-scale neutrino detectors were required.
Francis Halzen, Uli Katz
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The Astrophysical JournalThe circumgalactic medium (CGM) around massive galaxies plays a crucial role in regulating star formation and feedback. Using the Cosmology and Astrophysics with MachinE Learning Simulations (CAMELS) suite, we develop emulators for the X-ray surface ...
Erwin T. Lau +9 more
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Daris, a low-frequency distributed aperture array for radio astronomy in space [PDF]
, 2010 DARIS (Distributed Aperture Array for Radio Astronomy in Space) is a radio astronomy space mission concept aimed at observing the low-frequency radio sky in the range 1-10 MHz.
Bentum, M.J. +4 more
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Measuring the Intracluster Light Fraction with Machine Learning
The Astrophysical JournalThe intracluster light (ICL) is an important tracer of a galaxy cluster’s history and past interactions. However, only small samples have been studied to date due to its very low surface brightness and the heavy manual involvement required for the ...
Louisa Canepa +4 more
doaj +1 more source