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In this article, we review the prospects for the Fermi satellite (formerly known as GLAST) to detect gamma rays from dark matter annihilations in the Central Region of the Milky Way, in particular on the light of the recent astrophysical…

High Energy Physics - Phenomenology · Physics 2015-03-13 Pasquale Dario Serpico , Dan Hooper

In order to observe annihilation and decay of dark matter, several types of potential sources should be considered. Some sources, such as dwarf galaxies, are expected to have very low astrophysical backgrounds but fairly small dark matter…

High Energy Astrophysical Phenomena · Physics 2019-08-13 J. Patrick Harding , Brenda Dingus

The recent results from ground based $\gamma$-ray detectors (HESS, MAGIC, VERITAS) provide a population of TeV galactic $\gamma$-ray sources which are potential sources of High Energy (HE) neutrinos. Since the $\gamma$-rays and $\nu$ -s are…

High Energy Astrophysical Phenomena · Physics 2016-07-20 N. Sahakyan

The Cygnus region of the Galactic plane is a promising target for high-energy and very high energy (VHE) gamma-ray telescopes as it is home to many potential sources, such as supernova remnants, pulsar wind nebulae, X-ray binaries and…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Rene A. Ong

Using the HEGRA system of imaging atmospheric Cherenkov telescopes, the Andromeda galaxy (M31) was surveyed for TeV gamma ray emission. Given the large field of view of the HEGRA telescopes, three pointings were sufficient to cover all of…

Astrophysics · Physics 2008-11-26 the HEGRA Collaboration , F. Aharonian

Measuring the diffuse Galactic gamma-ray flux in the TeV range is difficult for ground-based gamma-ray telescopes because of the residual cosmic-ray background, which is higher than the gamma-ray flux by several orders of magnitude. Its…

High Energy Astrophysical Phenomena · Physics 2020-01-22 A. Neronov , D. V. Semikoz

Dwarf spheroidal galaxies are among the best environments that can be studied with Cherenkov telescopes for indirect searches of $\gamma$-ray signals coming from dark matter self-interaction (annihilation or decay), due to their proximity…

High Energy Astrophysical Phenomena · Physics 2019-06-12 Francesco Gabriele Saturni , Gonzalo Rodríguez-Fernández , Aldo Morselli

During the last 20 years, TeV astronomy turned from a fledgling field, with only a handful of sources into a fully-developed astronomy discipline, broadening our knowledge on a variety of types of TeV gamma-ray sources. This progress has…

Instrumentation and Methods for Astrophysics · Physics 2022-01-24 Julian Sitarek

We report the detection, with the CANGAROO-III imaging atmospheric Cherenkov telescope array, of a very high energy gamma-ray signal from the unidentified gamma-ray source HESS J1614-518, which was discovered in the H.E.S.S. Galactic plane…

This is a report on the findings of the dark matter science working group for the white paper on the status and future of TeV gamma-ray astronomy. The white paper was commissioned by the American Physical Society, and the full white paper…

Recently, the Galactic Center has been reported to be a source of very high energy (VHE) gamma-rays by the VERITAS, CANGAROO and HESS experiments. The energy spectra as measured by these experiments show substantial differences. In this…

Astrophysics · Physics 2009-11-13 J. Albert , MAGIC collaboration

We report the TeV gamma-ray observations of the nearby normal spiral galaxy NGC 253. At a distance of $\sim$2.5 Mpc, NGC 253 is one of the nearest starburst galaxies. This relative closeness, coupled with the high star formation rate in the…

Astrophysics · Physics 2009-11-07 C. Itoh , R. Enomoto , S. Yanagita , T. Yoshida , CANGAROO-II collaboration

The development of techniques whereby gamma rays of energy 100 GeV and above can be studied from the ground, using indirect, but sensitive, techniques has opened up a new area of high energy photon astronomy. The most exciting result that…

Astrophysics · Physics 2009-11-10 D. Horan , T. C. Weekes

The potential of an array of imaging atmospheric Cherenkov telescopes to detect gamma-ray sources in complex regions has been investigated. The basic characteristics of the gamma-ray instrument have been parametrized using simple analytic…

High Energy Astrophysical Phenomena · Physics 2016-04-20 Lucia Ambrogi , Emma De Oña Wilhelmi , Felix Aharonian

The High-Energy Stereoscopic System (HESS) has detected intense diffuse TeV emission correlated with the distribution of molecular gas along the galactic ridge at the centre of our Galaxy. Earlier HESS observations of this region had…

Astrophysics · Physics 2009-11-13 Elizabeth Wommer , Fulvio Melia , Marco Fatuzzo

The presence of dark matter in the universe is nowadays supported by a substantial set of astronomical and cosmological observations. A large amount of dark matter is expected in the Galactic Center (GC) region. Thanks also to its…

High Energy Astrophysical Phenomena · Physics 2016-09-22 V. Lefranc , E. Moulin

We discuss the prospects for indirect detection of dark matter (DM) with the Cherenkov Telescope Array (CTA), a future ground-based gamma-ray observatory that will be sensitive to gamma rays in the energy range from a few tens of GeV to 100…

High Energy Astrophysical Phenomena · Physics 2013-09-24 Matthew Wood , Jim Buckley , Seth Digel , Stefan Funk , Daniel Nieto , Miguel A. Sanchez-Conde

We study the prospects for studying line features in gamma-ray spectra with upcoming gamma-ray experiments, such as HESS-II, the Cherenkov Telescope Array (CTA), and the GAMMA-400 satellite. As an example we use the narrow feature at 130…

High Energy Physics - Phenomenology · Physics 2015-06-05 Lars Bergström , Gianfranco Bertone , Jan Conrad , Christian Farnier , Christoph Weniger

MAGIC currently is the largest imaging atmospheric Cerenkov telescope world-wide. Since 2004, gamma-ray emission from several active galactic nuclei in the GeV/TeV energy range has been detected, some of which were newly discovered as…

Astrophysics · Physics 2008-06-11 Robert Wagner
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