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Related papers: Daksha: On Alert for High Energy Transients

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Several nearby ultra-faint satellites of the Milky Way discovered by the Dark Energy Survey (DES) during the last few years are promising targets for indirect dark matter (DM) searches with very-high-energy (VHE, E$\gtrsim$100 GeV) gamma…

High Energy Astrophysical Phenomena · Physics 2019-09-05 Lucia Rinchiuso , Emmanuel Moulin , Céline Armand , Vincent Poireau , H. E. S. S. Collaboration

We present sensipy, an open-source Python toolkit for simulating observations of transient astrophysical sources, particularly in the high-energy (HE, keV-GeV) and very-high-energy (VHE, GeV-TeV) gamma-ray ranges. The most explosive events…

High Energy Astrophysical Phenomena · Physics 2026-02-16 Jarred G. Green , Barbara Patricelli , Antonio Stamerra , Monica Seglar-Arroyo

THESEUS is a space mission concept, currently under Phase A study by ESA as candidate M5 mission, aiming at exploiting Gamma-Ray Bursts for investigating the early Universe and at providing a substantial advancement of multi-messenger and…

Instrumentation and Methods for Astrophysics · Physics 2021-02-18 Lorenzo Amati , Paul T. O'Brien , Diego Götz , Enrico Bozzo , Andrea Santangelo

We present a mission designed for the study of transient phenomena in the high energy sky, through a wide field X-ray/hard X-ray monitor, and fast (< 1 min) follow up observations with Narrow Field Instrumentation. This is based on an X-ray…

Astrophysics · Physics 2010-11-11 Enrico Costa , Luigi Piro

The radio skies remain mostly unobserved when it comes to transient phenomena. The direct detection of gravitational waves will mark a major milestone of modern astronomy, as an entirely new window will open on the universe. Two apparently…

General Relativity and Quantum Cosmology · Physics 2015-05-14 V. Predoi , J. Clark , T. Creighton , E. Daw , S. Fairhurst , I. S. Heng , J. Kanner , T. Regimbau , P. Shawhan , X. Siemens , P. Sutton , A. Vecchio , D. White , G. Woan

The impending era of wide-field radio surveys has the potential to revolutionize our understanding of astrophysical transients. Here we evaluate the prospects of a wide range of planned and hypothetical radio surveys using the properties…

High Energy Astrophysical Phenomena · Physics 2015-02-06 Brian D. Metzger , Peter K. G. Williams , Edo Berger

Exploration of the transient Universe is an exciting and fast-emerging area within radio astronomy. Known transient phenomena range in time scales from sub-nanoseconds to years or longer, thus spanning a huge range in time domain and…

Instrumentation and Methods for Astrophysics · Physics 2011-10-13 N. D. R. Bhat

The focus of this presentation is to go through some of the remarkable observations concerning gamma-ray cosmic accelerators and diffuse emissions. Additionally, I will cover the status of the new generation of gamma-ray groundbased…

High Energy Astrophysical Phenomena · Physics 2019-02-28 Teresa Montaruli

Recent rapid progress in time domain surveys makes it possible to detect various types of explosive transients in the Universe in large numbers, some of which will be gravitationally lensed into multiple images. Although a large number of…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-08 Masamune Oguri

The Transient High-Energy Sky and Early Universe Surveyor (THESEUS) is a mission concept developed in the last years by a large European consortium and currently under study by the European Space Agency (ESA) as one of the three candidates…

Instrumentation and Methods for Astrophysics · Physics 2019-10-16 L. Amati , E. Bozzo , P. O'Brien , D. Götz

The small mission A-STAR (All-Sky Transient Astrophysics Reporter) aims to locate the X-ray counterparts to ALIGO and other gravitational wave detector sources, to study the poorly-understood low luminosity gamma-ray bursts, and to find a…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 J. P. Osborne , P. O'Brien , P. Evans , G. W. Fraser , A. Martindale , J. -L. Atteia , B. Cordier , S. Mereghetti

The H.E.S.S. experiment is an array of four identical imaging atmospheric Cherenkov telescopes in the Southern hemisphere, designed to observe very high energy gamma-rays (E > 100 GeV). These high energy gamma-rays can be used to search for…

High Energy Astrophysical Phenomena · Physics 2011-11-28 A. Viana

The Advanced X-ray Imaging Satellite (AXIS) promises revolutionary science in the X-ray and multi-messenger time domain. AXIS will leverage excellent spatial resolution (<1.5 arcsec), sensitivity (80x that of Swift), and a large collecting…

The Asteroid Terrestrial impact Last Alert System (ATLAS) system consists of two 0.5m Schmidt telescopes with cameras covering 29 square degrees at plate scale of 1.86 arcsec per pixel. Working in tandem, the telescopes routinely survey the…

The primary challenge in the study of explosive astrophysical transients is their detection and characterisation using multiple messengers. For this purpose, we have developed a new data-driven discovery framework, based on deep learning.…

High Energy Astrophysical Phenomena · Physics 2020-05-14 Iftach Sadeh

With the advanced gravitational wave detectors coming on line in the next 5 years, we expect to make the first detections of gravitational waves from astrophysical sources, and study the properties of the waves themselves as tests of…

General Relativity and Quantum Cosmology · Physics 2019-08-15 Alan J. Weinstein

The coincidental detection of the gravitational wave event GW 170817 and the associated gamma-ray burst GRB 170817A marked the advent of multi-messenger astronomy and represented a milestone in the study of GRBs. In this context, the launch…

High Energy Astrophysical Phenomena · Physics 2020-12-23 B. Arcier , JL. Atteia , O. Godet , S. Mate , S. Guillot , N. Dagoneau , J. Rodriguez , D. Gotz , S. Schanne , M. G. Bernardini

The success of the SWIFT/BAT and INTEGRAL missions has definitely opened a new window for follow-up and deep study of the transient gamma-ray sky. This now appears as the access key to important progresses in the area of cosmological…

The study of the universe at energies above 100 GeV is a relatively new and exciting field. The current generation of pointed instruments have detected TeV gamma rays from at least 10 sources and the next generation of detectors promises a…

Astrophysics · Physics 2016-11-09 G. Sinnis , A. Smith , J. E. McEnery