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Related papers: Testing the Simultaneity of Forbush Decreases with…

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A significant challenge in the study of transient astrophysical phenomena is the identification of bogus events, among which human-made satellites and debris in Earth orbit remain major contaminants. Existing pipelines effectively identify…

Instrumentation and Methods for Astrophysics · Physics 2025-05-14 J. P. Carvajal , F. E. Bauer , I. Reyes-Jainaga , F. Förster , A. M. Muñoz Arancibia , M. Catelan , P. Sánchez-Sáez , C. Ricci , A. Bayo

Small, fast, and lightweight drones present significant challenges for traditional RGB cameras due to their limitations in capturing fast-moving objects, especially under challenging lighting conditions. Event cameras offer an ideal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Gabriele Magrini , Niccolò Marini , Federico Becattini , Lorenzo Berlincioni , Niccolò Biondi , Pietro Pala , Alberto Del Bimbo

Fast Radio Burst (FRB) is an extremely energetic cosmic phenomenon of short duration. Discovered only recently and with its origin still unknown, FRBs have already started to play a significant role in studying the distribution and…

Instrumentation and Methods for Astrophysics · Physics 2025-07-31 Xuerong Guo , Han Wang , Yifan Xiao , Huaxi Chen , Yinan Ke , ChenChen Miao , Pei Wang , Di Li , Chenwu Jin , Ling He , Yi Feng , Yongkun Zhang , Jiaying Xu , Guangyong Chen

The event rate and the efficiency of mass estimation for free-floating planet (FFP) microlensing events were determined from the simulation of the simultaneous parallax observations by Euclid, WFIRST, and LSST. The stellar population from…

Earth and Planetary Astrophysics · Physics 2020-04-13 M. Ban

Project GRAND, a proportional wire chamber array, is used to examine the decreased counting rate of ground level muons during the Forbush decrease event of September 11, 2005. Data are presented and compared to that of other cosmic ray…

Astrophysics · Physics 2008-07-16 J. Poirier , M. Herrera , P. Hemphill , C. D'Andrea

The rise of multi-messenger astronomy has brought with it the need to exploit all available data streams and learn more about the astrophysical objects that fall within its breadth. One possible avenue is the search for serendipitous…

We present a machine learning (ML) based method for automated detection of Gamma-Ray Burst (GRB) candidate events in the range 60 keV - 250 keV from the AstroSat Cadmium Zinc Telluride Imager data. We use density-based spatial clustering to…

Instrumentation and Methods for Astrophysics · Physics 2021-05-18 Sheelu Abraham , Nikhil Mukund , Ajay Vibhute , Vidushi Sharma , Shabnam Iyyani , Dipankar Bhattacharya , A. R. Rao , Santosh Vadawale , Varun Bhalerao

Fast radio bursts (FRBs) are transient signals exhibiting diverse strengths and emission bandwidths. Traditional single-pulse search techniques are widely employed for FRB detection; yet weak, narrow-band bursts often remain undetectable…

High Energy Astrophysical Phenomena · Physics 2025-11-10 Mao Yuan , Jiarui Niu , Yi Feng , Xu-ning Lv , Chenchen Miao , Lingqi Meng , Bo Peng , Li Deng , Jingye Yan , Weiwei Zhu

A reexamination of period finding algorithms is prompted by new large area astronomical sky surveys that can identify billions of individual sources having a thousand or more observations per source. This large increase in data necessitates…

Instrumentation and Methods for Astrophysics · Physics 2025-02-05 Douglas P. Finkbeiner , Thomas A. Prince , Samuel E. Whitebook

Discoveries of rotating radio transients and fast radio bursts (FRBs) in pulsar surveys suggest that more of such transient sources await discovery in archival data sets. Here we report on a single-pulse search for dispersed radio bursts…

High Energy Astrophysical Phenomena · Physics 2015-12-02 A. Rane , D. R. Lorimer , S. D. Bates , N. McMann , M. A. McLaughlin , K. Rajwade

A large number of observations from the Parkes 64\,m-diameter radio telescope, recorded with high time resolution, are publicly available. We have re-processed all of the observations obtained during the first four years (from 1997 to 2001)…

In this paper we identify some sub-optimal performance in algorithms that search for Fast Radio Bursts (FRBs), which can reduce the cosmological volume probed by over 20%, and result in missed discoveries and incorrect flux density and sky…

High Energy Astrophysical Phenomena · Physics 2015-06-22 E. F. Keane , E. Petroff

Some short gamma-ray bursts (SGRBs) are thought to be caused by the mergers of binary neutron stars which may sometimes produce massive neutron star remnants capable of producing extragalactic fast radio bursts (FRBs). We conducted a deep…

The transient optical sky has remained largely unexplored on very short timescales. While there have been some experiments searching for optical transients from minutes to years, none have had the capability to distinguish millisecond Fast…

High Energy Astrophysical Phenomena · Physics 2023-06-08 Guillem Megias Homar , Joshua E. Meyers , Steven M. Kahn

Automatic fault detection (AFD) is a key technology to optimize the Operation and Maintenance of photovoltaic (PV) systems portfolios. A very common approach to detect faults in PV systems is based on the comparison between measured and…

Systems and Control · Electrical Eng. & Systems 2022-03-03 Eduardo Abdon Sarquis Filho , Björn Müller , Nicolas Holland , Christian Reise , Klaus Kiefer , Bernd Kollosch , Paulo J. Costa Branco

How the event rate of fast radio bursts (FRBs) evolves with redshift is a hot topic to explore their cosmological origin and the circum-burst environment. Particularly, it is urgent to know what the difference of event rates between…

High Energy Astrophysical Phenomena · Physics 2025-09-16 Q. Pan , X. Y. Du , Z. B. Zhang , Y. F. Huang , L. B. Li , G. A. Li

On November 3-4 2021, an interplanetary coronal mass injection (ICME) hits the magnetosphere, sparking a strong G3-class geomagnetic storm and auroras as far south as California and New Mexico. All detectors of the SEVAN network registered…

Gamma-ray bursts are flashes of light from distant exploding stars. Cube satellites that monitor photons across different energy bands are used to detect these bursts. There is a need for computationally efficient algorithms, able to run…

High Energy Astrophysical Phenomena · Physics 2022-08-03 Kes Ward , Giuseppe Dilillo , Idris Eckley , Paul Fearnhead

We investigate how the statistical properties of dispersion measure (DM) and apparent flux density/fluence of (non-repeating) fast radio bursts (FRBs) are determined by unknown cosmic rate density history [$\rhoFRB (z)$] and luminosity…

High Energy Astrophysical Phenomena · Physics 2018-08-10 Yuu Niino

We performed systematic studies on the effects of event-by-event efficiency fluctuations on efficiency correction for cumulant analysis in relativistic heavy-ion collision experiments. Experimentally, particle efficiencies of events…

Data Analysis, Statistics and Probability · Physics 2018-09-11 Shu He , Xiaofeng Luo