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As power systems evolve with increased integration of renewable energy sources, they become more complex and vulnerable to both cyber and physical threats. This study validates a centralized Dynamic State Estimation (DSE) algorithm designed…

Systems and Control · Electrical Eng. & Systems 2025-08-05 Emad Abukhousa , Syed Sohail Feroz Syed Afroz , Fahad Alsaeed , Abdulaziz Qwbaiban , A. P. Sakis Meliopoulos

One of the goals of Space Weather studies is to achieve a better understanding of impulsive phenomena, such as Coronal Mass Ejections (CMEs), in order to improve our ability to forecast them and mitigate the risk to our technologically…

Solar and Stellar Astrophysics · Physics 2024-02-21 R. Mugatwala , S. Chierichini , G. Francisco , G. Napoletano , R. Foldes , L. Giovannelli , G. De Gasperis , E. Camporeale , R. Erdélyi , D. Del Moro

Measurements of the dark energy equation-of-state parameter, $w$, have been limited by uncertainty in the selection effects and photometric calibration of $z<0.1$ Type Ia supernovae (SNe Ia). The Foundation Supernova Survey is designed to…

In this paper, we study events without identifiable muon tracks in the Iron Calorimeter detector at the India-based Neutrino Observatory. Such events are dominated by high energy (E$_\nu>$1 GeV) $\nu_e$ charged current interactions, which…

Instrumentation and Detectors · Physics 2015-05-28 Ali Ajmi , S. Uma Sankar

Random coincidence of events (particularly from two neutrino double beta decay) could be one of the main sources of background in the search for neutrinoless double beta decay with cryogenic bolometers due to their poor time resolution.…

Instrumentation and Detectors · Physics 2015-06-19 D. M. Chernyak , F. A. Danevich , A. Giuliani , M. Mancuso , C. Nones , E. Olivieri , M. Tenconi , V. I. Tretyak

Multiple terrestrial and space-based telescopes have been proposed for detecting and tracking near-Earth objects (NEOs). Detailed simulations of the search performance of these systems have used complex computer codes that are not widely…

Earth and Planetary Astrophysics · Physics 2016-03-23 Nathan Myhrvold

In recent years, monitoring the world wide area with satellite images has been emerged as an important issue. Site monitoring task can be divided into two independent tasks; 1) Change Detection and 2) Anomaly Event Detection. Unlike to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Yongjin Jeon , Youngtack Oh , Doyoung Jeong , Hyunguk Choi , Junsik Kim

Intensive investigations of freeze-out criteria in a hot and dense fireball provide important information regarding particle emission from the fireball. A systematic comparison of these proposals is presented here in the framework of a…

High Energy Physics - Phenomenology · Physics 2011-11-10 M. Mishra , C. P. Singh

We present a statistical study of prominence and filament eruptions observed by the Atmospheric Imaging Assembly (AIA) aboard the Solar Dynamics Observatory (SDO). Several properties are recorded for 904 events that were culled from the…

Solar and Stellar Astrophysics · Physics 2015-05-11 Patrick I. McCauley , Yingna Su , Nicole Schanche , Kaitlin E. Evans , Chuan Su , Sean McKillop , Katharine K. Reeves

Near field acoustical signals from fireballs (ranges<200 km), when detected by dense ground networks, may be used to estimate the orientation of the trajectory of a fireball (Pujol et al., 2005) as well as fragmentation locations (Kalenda…

Earth and Planetary Astrophysics · Physics 2021-03-24 Luke McFadden , Peter Brown , Denis Vida , Pavel Spurný

Cataloguing and classifying celestial objects is one of the fundamental activities of observational astrophysics. In this work, we compare the contents of two comprehensive databases, the NASA Extragalactic Database (NED) and Set of…

Instrumentation and Methods for Astrophysics · Physics 2022-07-06 L. Kuhn , M. Shubat , P. Barmby

As of today, there is no official definition of a meteor cluster. It is usually identified as a large number of meteors sharing a similar radiant and velocity, all occurring within a few seconds. Only eight clusters have been reported so…

Earth and Planetary Astrophysics · Physics 2025-04-08 A. Ashimbekova , J. Vaubaillon , P. Koten

Time-delay cosmography of lensed quasars has achieved 2.4% precision on the measurement of the Hubble constant, $H_0$. As part of an ongoing effort to uncover and control systematic uncertainties, we investigate three potential sources: 1-…

Accurate detection and precise timing of transient events such as X-ray photons, {\gamma}-ray burst, coronal mass ejections (CMEs), ground level enhancements (GLEs) and Forbush decreases (FDs) frequently raise issues that remain on the…

Instrumentation and Methods for Astrophysics · Physics 2022-02-09 J. A. Alhassan , O. Okike , A. E. Chukwude

Dynamic feature selection (DFS) addresses budget constraints in decision-making by sequentially acquiring features for each instance, making it appealing for resource-limited scenarios. However, existing DFS methods require models…

Machine Learning · Computer Science 2026-02-19 Javier Fumanal-Idocin , Raquel Fernandez-Peralta , Javier Andreu-Perez

Quantifying the accuracy with which physical properties of asteroids can be determined from thermal modeling is critical to measuring the impact of infrared data on our understanding of asteroids. Previous work (Mainzer et al. 2011b) has…

Earth and Planetary Astrophysics · Physics 2018-08-08 Joseph R. Masiero , A. K. Mainzer , E. L. Wright

The CHIME/FRB collaboration has recently published a catalog containing about half a thousand fast radio bursts (FRBs) including their spectra and several reconstructed properties, like signal widths, amplitudes, etc. We have developed a…

High Energy Astrophysical Phenomena · Physics 2022-02-22 Anastasia Chaikova , Dmitriy Kostunin , Sergei B. Popov

We study the rates of tidal disruption of stars by intermediate-mass to supermassive black holes on bound to unbound orbits by using high-accuracy direct N-body experiments. The approaching stars from the star cluster to the black hole can…

High Energy Astrophysical Phenomena · Physics 2018-03-28 Kimitake Hayasaki , Shiyan Zhong , Shuo Li , Peter Berczik , Rainer Spurzem

The combination of independent cosmological datasets is a route towards precise and accurate inference of cosmological parameters if these observations are free from systematic effects. However, unknown systematics in different datasets can…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-19 Samsuzzaman Afroz , Suvodip Mukherjee

We analyzed 82,548 carefully curated observations of 4420 asteroids with Wide-field Infrared Survey Explorer (WISE) four-band data to produce estimates of diameters and infrared emissivities. We also used these diameter values in…

Earth and Planetary Astrophysics · Physics 2021-11-17 Nathan Myhrvold , Pavlo Pinchuk , Jean-Luc Margot