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Related papers: Gamma-ray burst detection with Poisson-FOCuS and o…

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We consider the online and nonparametric detection of abrupt and persistent anomalies, such as a change in the regular system dynamics at a time instance due to an anomalous event (e.g., a failure, a malicious activity). Combining the…

Applications · Statistics 2017-05-16 Yasin Yilmaz

The HERMES-TP/SP (High Energy Rapid Modular Ensemble of Satellites -- Technologic and Scientific Pathfinder) is an in-orbit demonstration of the so-called distributed astronomy concept. Conceived as a mini-constellation of six 3U…

We investigate sequential change point estimation and detection in univariate nonparametric settings, where a stream of independent observations from sub-Gaussian distributions with a common variance factor and piecewise-constant but…

Statistics Theory · Mathematics 2020-11-16 Yi Yu , Oscar Hernan Madrid Padilla , Daren Wang , Alessandro Rinaldo

Recent results on Gamma-Ray Bursts obtained with the X-ray Astronomy satellite BeppoSAX are reviewed. Main emphasis is given to the GRBs simultaneously detected with the Gamma-Ray Burst Monitor (40-700 keV) and the Wide Field Cameras…

Astrophysics · Physics 2007-05-23 Filippo Frontera

In this review we show that the space experiment with gamma-ray detector with sensitivity 2 orders of magnitude higher than existing ones will make it possible to discover up to a thousand neutron star mergers, even at those moments when…

High Energy Astrophysical Phenomena · Physics 2024-08-27 Vladimir Lipunov , Sergey Svertilov , Vladislav Topolev

The High Energy X-ray telescope (HE) on-board the Hard X-ray Modulation Telescope (\textit{Insight}-HXMT) can serve as a wide Field of View (FOV) gamma-ray monitor with high time resolution ($\mu$s) and large effective area (up to thousands…

Searching for as yet undetected gamma-ray sources is a major target of the Fermi LAT Collaboration. We present an algorithm capable of identifying such type of sources by non-parametrically clustering the directions of arrival of the…

Instrumentation and Methods for Astrophysics · Physics 2023-01-30 Anna Montin , Alessandra R. Brazzale , Giovanna Menardi

The Rapid and accurate identification of Gamma-Ray Bursts (GRBs) is crucial for unraveling their origins. However, current burst search algorithms frequently miss low-threshold signals or lack universality for observations. In this study,…

High Energy Astrophysical Phenomena · Physics 2024-08-27 Peng Zhang , Bing Li , Ren-zhou Gui , Shao-lin Xiong , Yu Wang , Yan-qiu Zhang , Chen-wei Wang , Jia-cong Liu , Wang-chen Xue , Chao Zheng , Zheng-hang Yu , Wen-long Zhang

By reaching through shrouding blastwaves, efficiently discovering off-axis events, and probing the central engine at work, gravitational wave (GW) observations will soon revolutionize the study of gamma-ray bursts. Already, analyses of GW…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-16 Imre Bartos , Patrick Brady , Szabolcs Marka

The Gamma-Ray Optical Counterpart Search Experiment (GROCSE) has searched for contemporaneous optical counterparts to gamma ray bursts (GRBs) using an automated rapidly slewing wide field of view optical telescope at Lawrence Livermore…

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

We apply a machine learning algorithm, the artificial neural network, to the search for gravitational-wave signals associated with short gamma-ray bursts. The multi-dimensional samples consisting of data corresponding to the statistical and…

Instrumentation and Methods for Astrophysics · Physics 2015-11-26 Kyungmin Kim , Ian W. Harry , Kari A. Hodge , Young-Min Kim , Chang-Hwan Lee , Hyun Kyu Lee , John J. Oh , Sang Hoon Oh , Edwin J. Son

Modern quantum devices require high-precision Hamiltonian dynamics, but environmental noise can cause calibrated Hamiltonian parameters to drift over time, necessitating expensive recalibration. Detecting when recalibration is needed is…

Quantum Physics · Physics 2026-03-30 Steven T. Flammia , Dmitrii Khitrin , Muzhou Ma , Jamie Sikora , Yu Tong , Alice Zheng

The accurate spatial location of gamma-ray bursts (GRBs) is crucial for both producing a detector response matrix (DRM) and follow-up observations by other instruments. The Fermi Gamma-ray Burst Monitor (GBM) has the largest field of view…

Instrumentation and Methods for Astrophysics · Physics 2016-10-25 J. Michael Burgess , Hoi-Fung Yu , Jochen Greiner , Daniel J. Mortlock

The supporting instrument on board the Fermi Gamma-ray Space Telescope, the Gamma-ray Burst Monitor (GBM) is a wide-field gamma-ray monitor composed of 14 individual scintillation detectors, with a field of view which encompasses the entire…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Gerard Fitzpatrick , Sheila McBreen , Valerie Connaughton , Michael Briggs , the GBM Team

Possibly the only unambiguous verification that gamma-ray bursts (GRBs) are at cosmological distances would be the observation of multiple images of a gravitationally lensed burst. Each images would arrive at a different time, but exhibit…

Astrophysics · Physics 2009-10-22 S. A. Grossman , M. A. Nowak

Gravitational Wave High-energy Electromagnetic Counterpart All-sky Monitor (GECAM), consisting of two micro-satellites, is designed to detect gamma-ray bursts associated with gravitational-wave events. Here, we introduce the real-time burst…

The problem of identifying change points in high-dimensional Gaussian graphical models (GGMs) in an online fashion is of interest, due to new applications in biology, economics and social sciences. The offline version of the problem, where…

Statistics Theory · Mathematics 2020-03-18 Hossein Keshavarz , George Michailidis

Gamma-ray bursts produce afterglows that can be observed across the electromagnetic spectrum and can provide insight into the nature of their progenitors. While most telescopes that observe afterglows are designed to rapidly react to…