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Over the next decade, we can expect time domain astronomy to flourish at optical and radio wavelengths. In parallel with these efforts, a dedicated transient "machine" operating at higher energies (X-ray band through soft gamma-rays) is…

The detection of gravitational waves has inaugurated the era of gravitational astronomy and opened new avenues for the multimessenger study of cosmic sources. Thanks to their sensitivity, the Advanced LIGO and Advanced Virgo interferometers…

广义相对论与量子宇宙学 · 物理学 2018-04-05 Massimiliano Razzano , Elena Cuoco

As second-generation gravitational-wave detectors prepare to analyze data at unprecedented sensitivity, there is great interest in searches for unmodeled transients, commonly called bursts. Significant effort has yielded a variety of…

天体物理仪器与方法 · 物理学 2015-11-04 Eric Thrane , Michael Coughlin

Convolutional Neural Networks (CNNs) have demonstrated potential for the real-time analysis of data from gravitational-wave detector networks for the specific case of signals from coalescing compact-object binaries such as black-hole…

天体物理仪器与方法 · 物理学 2026-02-05 Vasileios Skliris , Michael R. K. Norman , Patrick J. Sutton

A rapid estimate of gravitational-wave (GW) detectability associated with astronomical transients is crucial for optimizing multi-messenger follow-up strategies and for constraining the physical origin of the transient itself. We introduce…

高能天体物理现象 · 物理学 2026-05-22 S. Ronchini , A. Chopra , T. Dal Canton , B. Banerjee , A. L. De Santis , M. Branchesi

We propose a qualitative scenario to interpret the argued association between the direct measurement of the gravitational wave event GW150914 by Laser Interferometer Gravitational Wave Observatory (LIGO)-Virgo collaborations and the hard…

高能天体物理现象 · 物理学 2018-05-02 F. Fraschetti

There are currently many large-field surveys operational and planned including the powerful Vera C. Rubin Observatory Legacy Survey of Space and Time. These surveys will increase the number and diversity of transients dramatically. However,…

In recent years, a new generation of space missions offered great opportunities of discovery in high-energy astrophysics. In this article we focus on the scientific operations of the Gamma-Ray Imaging Detector (GRID) onboard the AGILE space…

We present our observations of electromagnetic transients associated with GW170817/GRB 170817A using optical telescopes of Chilescope observatory and Big Scanning Antenna (BSA) of Pushchino Radio Astronomy Observatory at 110MHz. The…

Recent investigations reveal an important new class of transient radio phenomena that occur on sub-millisecond timescales. Often transient surveys' data volumes are too large to archive exhaustively. Instead, an on-line automatic system…

天体物理仪器与方法 · 物理学 2015-05-28 David R. Thompson , Kiri L. Wagstaff , Walter Brisken , Adam T. Deller , Walid A. Majid , Steven J. Tingay , Randall B. Wayth

The next generation of gravitational wave detectors and electromagnetic telescopes are beckoning the onset of the multi-messenger era and the exciting science that lies ahead. Multi-messenger strong gravitational lensing will help probe…

宇宙学与河外天体物理 · 物理学 2025-02-05 Anupreeta More , Hemantakumar Phurailatpam

Detectors based on pixels with timing capabilities are gaining increasing importance in the last years. Next-to-come high-energy physics experiments at colliders requires the use of time information in tracking, due to the increasing levels…

仪器与探测器 · 物理学 2020-08-25 Adriano Lai , Gian Matteo Cossu

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…

天体物理仪器与方法 · 物理学 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 Fermi observatory is advancing our knowledge of Gamma-Ray Bursts (GRBs) through pioneering observations at high energies, covering more than 7 decades in energy with the two on-board detectors, the Large Area Telescope (LAT) and the…

高能天体物理现象 · 物理学 2010-07-21 Fermi-LAT , Fermi-GBM Collaborations

To investigate GRBs in depth, it is crucial to develop an effective method for identifying GRBs accurately. Current criteria, e.g., onboard blind search, ground blind search, and target search, are limited by manually set thresholds and…

Exploration of the time-domain radio sky has huge potential for advancing our knowledge of the dynamic universe. Past surveys have discovered large numbers of pulsars, rotating radio transients and other transient radio phenomena; however,…

天体物理仪器与方法 · 物理学 2011-12-02 Benjamin R. Barsdell , Matthew Bailes , David G. Barnes , Christopher J. Fluke

Glass is very common in our daily life. Existing computer vision systems neglect it and thus may have severe consequences, e.g., a robot may crash into a glass wall. However, sensing the presence of glass is not straightforward. The key…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Haiyang Mei , Xin Yang , Letian Yu , Qiang Zhang , Xiaopeng Wei , Rynson W. H. Lau

On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced Virgo detectors. The Fermi Gamma-ray Burst…

高能天体物理现象 · 物理学 2017-10-25 LIGO Scientific Collaboration , Virgo Collaboration , Fermi GBM , INTEGRAL , IceCube Collaboration , AstroSat Cadmium Zinc Telluride Imager Team , IPN Collaboration , The Insight-Hxmt Collaboration , ANTARES Collaboration , The Swift Collaboration , AGILE Team , The 1M2H Team , The Dark Energy Camera GW-EM Collaboration , the DES Collaboration , The DLT40 Collaboration , GRAWITA , : , GRAvitational Wave Inaf TeAm , The Fermi Large Area Telescope Collaboration , ATCA , : , Australia Telescope Compact Array , ASKAP , : , Australian SKA Pathfinder , Las Cumbres Observatory Group , OzGrav , DWF , AST3 , CAASTRO Collaborations , The VINROUGE Collaboration , MASTER Collaboration , J-GEM , GROWTH , JAGWAR , Caltech- NRAO , TTU-NRAO , NuSTAR Collaborations , Pan-STARRS , The MAXI Team , TZAC Consortium , KU Collaboration , Nordic Optical Telescope , ePESSTO , GROND , Texas Tech University , SALT Group , TOROS , : , Transient Robotic Observatory of the South Collaboration , The BOOTES Collaboration , MWA , : , Murchison Widefield Array , The CALET Collaboration , IKI-GW Follow-up Collaboration , H. E. S. S. Collaboration , LOFAR Collaboration , LWA , : , Long Wavelength Array , HAWC Collaboration , The Pierre Auger Collaboration , ALMA Collaboration , Euro VLBI Team , Pi of the Sky Collaboration , The Chandra Team at McGill University , DFN , : , Desert Fireball Network , ATLAS , High Time Resolution Universe Survey , RIMAS , RATIR , SKA South Africa/MeerKAT

Wide-Field MAXI (WF-MAXI: Wide-Field Monitor of All-sky X-ray Image) is a proposed mission to detect and localize X-ray transients including electro-magnetic counterparts of gravitational-wave events such as gamma-ray bursts and supernovae…

We present the first results of our X-ray monitoring campaign on a 1.7 square degree region centered on Sgr A* using the satellites XMM-Newton and Chandra. The purpose of this campaign is to monitor the behavior (below 10 keV) of X-ray…