Reset
Showing 20 of 716 academic articles

A Catalog of Filaments in the Central Molecular Zone

Richard G. Arendt, F. Yusef-Zadeh, I. Heywood • The Astrophysical Journal Supplement Series (2025)

We present a catalog of 1.28 GHz radio filaments observed by MeerKAT over the innermost 200 pc of the Galaxy (roughly ±1 $\mathop{.}\limits^{\unicode{x000b0}}$ 5), which includes the central molecular zone. The catalog is generated by repur...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4365/ae1296

A Generic Formula and Some Special Cases for the Kullback–Leibler Divergence between Central Multivariate Cauchy Distributions

Nizar Bouhlel, David Rousseau • Entropy (2022)

This paper introduces a closed-form expression for the Kullback–Leibler divergence (KLD) between two central multivariate Cauchy distributions (MCDs) which have been recently used in different signal and image processing applications where ...

DOAJ Open Access (DOAJ) DOI: 10.3390/e24060838

Investigating the Impact of Supernova Feedback on Satellites in Elliptical Galaxies

Sumi Kim, Ena Choi, Amanda C. N. Quirk, Rachel S. Somerville et al. • The Astrophysical Journal (2025)

We investigate the influence of supernova (SN) feedback on the satellites of elliptical host galaxies using hydrodynamic simulations. Utilizing a modified version of the GADGET-3 code, we perform cosmological zoom-in simulations of 11 ellip...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/adec96

The Be star o Cas is indeed the primary of a triple system

Harmanec P., Yang S., Šlechta M., Grundstrom E. D. et al. • Astronomy & Astrophysics (2026)

Analysis of radial velocities of two narrow absorption components in the Mg II 4481 Å line demonstrated that the secondary of the Be star o Cas is indeed a close binary system composed of two B7 stars orbiting each other with a period of ...

DOAJ Open Access (DOAJ) DOI: 10.1051/0004-6361/202659678

Constraining young massive cluster properties with radio-continuum observations: The Arches cluster

Cano-González M., Schödel R., Alberdi A., Najarro F. et al. • Astronomy & Astrophysics (2026)

Context. The Arches cluster, located in the Galactic Centre (GC) is one of the best astrophysical laboratories to study the properties of massive stars and young massive clusters (YMCs). However, despite having been observed for decades at ...

DOAJ Open Access (DOAJ) DOI: 10.1051/0004-6361/202660846

Effects of Background Solar Wind and Drag Force on the Propagation of Coronal-mass-ejection-driven Shocks

Chin-Chun Wu, Kan Liou, Brian E. Wood, Lynn Hutting • The Astrophysical Journal (2024)

The propagation of interplanetary shocks, particularly those driven by coronal mass ejections (CMEs), is still an outstanding question in heliophysics and space weather forecasting. Here, we address the effects of the ambient solar wind on ...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/ad88ee

High-Energy Neutrino Astrophysics

J. G. Learned, Karl Mannheim M • Annual Review of Nuclear and Particle Science (2000)

▪ Abstract High-energy (>100 MeV) neutrino astrophysics enters an era of opportunity and discovery as the sensitivity of detectors approaches astrophysically relevant flux levels. We review the major challenges for this emerging field, amon...

OPENALEX DOI: https://doi.org/10.1146/annurev.nucl.50.1.679

Lectures on Astrophysics

Steven Weinberg • Cambridge University Press eBooks (2019)

Lectures on Astrophysics provides an account of classic and contemporary aspects of astrophysics, with an emphasis on analytic calculations and physical understanding. It introduces fundamental topics in astrophysics, including the properti...

OPENALEX Open Access DOI: https://doi.org/10.1017/9781108227445

Identification of periodic density structures in Solar Orbiter data: Helical structures and flux ropes

Katsavrias C., Di Matteo S., Chhiber R., Kepko L. et al. • Astronomy & Astrophysics (2026)

Context. Quasi-periodic density structures (PDSs) are quasiperiodic variations in the solar wind density that range from a few minutes to a few hours. They are trains of advected density structures with radial length scales LR ≈ 100 − 10 00...

DOAJ Open Access (DOAJ) DOI: 10.1051/0004-6361/202658943

Children's Type 1 Diabetes-specific Self-reported Outcomes Scales: Measurement Properties Evaluation Based on COSMIN Guidelines

YAN Beibei, XU Huaifu • Zhongguo quanke yixue (2026)

Background Type 1 diabetes mellitus in children is progressively younger, and there is a lack of quality standardized studies on specific self-reported outcomes scales for pediatric and adolescent patients. Objective To evaluate the measure...

DOAJ Open Access (DOAJ) DOI: 10.12114/j.issn.1007-9572.2023.0560

International Business Cycles: Theory and Evidence

David Backus, Patrick J. Kehoe, Finn E. Kydland • National Bureau of Economic Research (1993)

We review recent work comparing properties of international business cycles with those of dynamic general equilibrium models, emphasizing two discrepancies between theory and data that we refer to as anomalies. The first is the consumption/...

OPENALEX Open Access DOI: https://doi.org/10.3386/w4493

Complex T-Spherical Fuzzy Relations With Their Applications in Economic Relationships and International Trades

Abdul Nasir, Naeem Jan, Miin-Shen Yang, Sami Ullah Khan • IEEE Access (2021)

Uncertainty is the unavoidable part of the life. In almost all circumstances, we regularly find ourselves in a state of uncertainty. Several reasons can lead to uncertainty, such as randomness, vagueness and rough knowledge. Fuzzy set (FS) ...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2021.3074557

Impact of biomass ash content on biocomposite properties

Xianhui Zhao, Oluwafemi Oyedeji, Erin Webb, Sanjita Wasti et al. • Composites Part C: Open Access (2022)

Owing to its low cost and sustainable nature, lignocellulosic biomass has been utilized for reinforcing polymers, but it is crucial to understand the impact of high-ash concentrations in biomass on composite strength and processing. Biomass...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jcomc.2022.100319

Machine Learning–Based Prediction of Organic Solar Cell Performance Using Molecular Descriptors

Mohammed Saleh Alshaikh • International Journal of Emerging Research in Engineering, Science, and Management (2025)

The performance of Organic Solar Cells (OSCs) is intrinsically linked to the molecular, electronic, and structural properties of donor and acceptor materials. This study employs various machine learning techniques, namely the Generalized Re...

DOAJ Open Access (DOAJ) DOI: 10.58482/ijeresm.v4i4.4

Effects of Titanate Coupling Agent on Engineering Properties of Asphalt Binders and Mixtures Incorporating LLDPE-CaCO3 Pellet

Mohd Rosli Mohd Hasan, Zhanping You, Mohd Khairul Idham Mohd Satar, Muhammad Naqiuddin Mohd Warid et al. • Applied Sciences (2018)

This study was initiated to evaluate the performance of asphalt binders and mixtures incorporating linear low-density polyethylene- calcium carbonate (LLDPE-CaCO3) pellet, either with or without titanate coupling agent. The detailed manufac...

DOAJ Open Access (DOAJ) DOI: 10.3390/app8071029

MEMS-Reconfigurable Metamaterials and Antenna Applications

Tomislav Debogovic, Julien Perruisseau-Carrier • International Journal of Antennas and Propagation (2014)

This paper reviews some of our contributions to reconfigurable metamaterials, where dynamic control is enabled by microelectromechanical systems (MEMS) technology. First, we show reconfigurable composite right-/left-handed transmission line...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/138138