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Related papers: The Integral Burst Alert System (IBAS)

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Polarization measurements provide direct insight into the nature of astrophysical processes. Unfortunately, only a few instruments are available for this kind of measurements at gamma-ray energies, and the sources need to be very bright.…

High Energy Astrophysical Phenomena · Physics 2011-02-11 D. Gotz , P. Laurent , F. Lebrun , F. Daigne , Z. Bosnjak

AGILE is a space mission launched in 2007 to study X-ray and gamma-ray astronomy. The AGILE team developed real-time analysis pipelines to detect transient phenomena such as Gamma-Ray Bursts (GRBs) and to react to external science alerts…

Instrumentation and Methods for Astrophysics · Physics 2023-02-22 N. Parmiggiani , A. Bulgarelli , A. Ursi , M. Tavani , A. Macaluso , A. Di Piano , V. Fioretti , L. Baroncelli , A. Addis , C. Pittori

The Swift satellite will be a self-contained observatory that will bring new capabilities to the observing of the early afterglow emission of Gamma-ray Bursts. Swift is completely autonomous and will do all of the observations without help…

Since the discovery of Gamma-Ray Bursts (GRBs), attempts have been made to detect correlated optical transient emission from these objects. In January 1999, the ROTSE I robotic telescope detected a bright optical flash simultaneous with a…

Astrophysics · Physics 2007-05-23 Eliana Palazzi , Elena Pian

SPI-ACS/INTEGRAL is one of the most sensitive orbital gamma-ray detectors in energy range above 80 keV. Since 2002 it registered several thousands of gamma-ray bursts, including the bursts associated with LIGO-Virgo gravitational wave…

High Energy Astrophysical Phenomena · Physics 2023-08-22 P. Yu. Minaev , A. S. Pozanenko

The spatiotemporal information plays crucial roles in a multi-agent system (MAS). However, for a highly dynamic and dense MAS in unknown environments, estimating its spatiotemporal states is a difficult problem. In this paper, we present…

Robotics · Computer Science 2020-03-18 Qin Shi , Xiaowei Cui , Sihao Zhao , Shuang Xu , Mingquan Lu

INTEGRAL/SPI is a coded mask instrument observing since 2002 in the keV to MeV energy range, which covers the peak of the $\nu F\nu$ spectrum of most Gamma-Ray Bursts (GRBs). Since its launch in 2008, Fermi/GBM has been the primary…

High Energy Astrophysical Phenomena · Physics 2022-07-20 Björn Biltzinger , Jochen Greiner , J. Michael Burgess , Thomas Siegert

Since its launch on October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and source detection positional accuracy above 20 keV. Nevertheless, many of…

The ESA INTErnational Gamma-Ray Astrophyisics Laboratory (INTEGRAL) is composed of two main instruments (IBIS and SPI) for the gamma-ray astrophysics (20 keV - 10 MeV), plus two monitors (JEM-X and OMC) for X-ray and optical counterparts.…

Astrophysics · Physics 2017-08-23 L. Foschini , G. Di Cocco , G. Malaguti

We explore the intriguing possibility of employing future ground-based gravitational-wave interferometers to detect the inspiral of binary neutron stars sufficiently early to alert electromagnetic observatories so that a gamma-ray burst…

High Energy Astrophysical Phenomena · Physics 2018-12-18 Sarp Akcay

The first simultaneous detection of a short gamma-ray burst (SGRB) with a gravitational-wave (GW) signal ushered in a new era of multi-messenger astronomy. In order to increase the number of SGRB-GW simultaneous detections, we need full sky…

We analyzed data obtained by the SPI telescope onboard the INTEGRAL observatory to search for short transient events with a duration from 1 ms to a few tens of seconds. An algorithm for identifying gamma-ray events against the background of…

High Energy Astrophysical Phenomena · Physics 2015-06-19 P. Yu. Minaev , A. S. Pozanenko , S. V. Molkov , S. A. Grebenev

Since their discoveries in 1967, Gamma-Ray Bursts (GRBs) continue to be one of the most researched objects in astrophysics. Multi-messenger observations are key to gaining a deeper understanding of these events. In order to facilitate such…

Instrumentation and Methods for Astrophysics · Physics 2023-09-06 Merlin Kole , Gilles Koziol , David Droz

In this paper, we develop an active sensing strategy for a millimeter wave (mmWave) band Integrated Sensing and Communication (ISAC) system adopting a realistic hybrid digital-analog (HDA) architecture. To maintain a desired SNR level,…

Signal Processing · Electrical Eng. & Systems 2022-10-11 Saeid K. Dehkordi , Giuseppe Caire

Gamma-ray Bursts (GRBs) are the most powerful explosions known, capable of outshining the rest of gamma-ray sky during their short-lived prompt emission. Their cosmological nature makes them the best tool to explore the final stages in the…

High Energy Astrophysical Phenomena · Physics 2016-07-20 A. Cucchiara , T. Totani , N. R. Tanvir

It is now more than 40 years since the discovery of gamma-ray bursts (GRBs) and in the last two decades there has been major progress in the observations of bursts, the afterglows and their host galaxies. This recent progress has been…

High Energy Astrophysical Phenomena · Physics 2010-03-24 B. McBreen , S. Foley , L. Hanlon

We report here an all-sky soft gamma-ray source catalog based on IBIS observations performed during the first 1000 orbits of INTEGRAL. The database for the construction of the source list consists of all good quality data available from…

High Energy Astrophysical Phenomena · Physics 2016-04-13 A. J. Bird , A. Bazzano , A. Malizia , M. Fiocchi , V. Sguera , L. Bassani , A. B. Hill , P. Ubertini , C. Winkler

High-accuracy localization is a key enabler for integrated sensing and communication (ISAC), playing an essential role in various applications such as autonomous driving. Antenna arrays and reconfigurable intelligent surface (RIS) are…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Mengting Li , Hui Chen , Sigurd Sandor Petersen , Huiping Huang , Alireza Pourafzal , Yu Ge , Ming Shen , Henk Wymeersch

This paper studies a multi-intelligent-reflecting-surface-(IRS)-enabled integrated sensing and communications (ISAC) system, in which multiple IRSs are installed to help the base station (BS) provide ISAC services at separate line-of-sight…

Information Theory · Computer Science 2023-12-19 Yuan Fang , Siyao Zhang , Xinmin Li , Xianghao Yu , Jie Xu , Shuguang Cui

The Galactic Bulge region is a rich host of variable high-energy point sources. These sources include bright and relatively faint X-ray transients, X-ray bursters, persistent neutron star and black-hole candidate binaries, X-ray pulsars,…

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