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Related papers: Fermi Observations of the Large Magellanic Cloud

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The Galactic Center region is expected to host the largest density of Dark Matter (DM) particles within the Milky Way. Then a relatively large gamma-ray signal would be expected from the possible DM particles annihilation (or decay). We are…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Vincenzo Vitale , Aldo Morselli

The diffuse Galactic gamma-ray data from the region of the Galactic Center has been collected by the LAT instrument on the Fermi Gamma-Ray Space Telescope. In this paper we argue that it may be able to provide an unambiguous evidence of…

High Energy Astrophysical Phenomena · Physics 2009-09-09 Leszek Roszkowski , Yue-Lin Sming Tsai

The discovery of bright gamma-ray emission coincident with supernova remnant (SNR) W51C is reported using the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope. W51C is a middle-aged remnant (~10^4 yr) with intense…

High Energy Astrophysical Phenomena · Physics 2012-08-27 Fermi LAT collaboration

FERMI-LAT is performing an all-sky gamma-ray survey from 30 MeV to $>$300 GeV with unprecedented sensitivity and angular resolution. FERMI has detected high-energy gamma rays from the Moon and Sun since the first weeks of data taking. This…

Solar and Stellar Astrophysics · Physics 2019-08-14 N. Giglietto

Diffuse gamma-ray radiation in galaxies is produced by cosmic ray interactions with the interstellar medium. With the completion of EGRET observations, the only extragalactic object from which there has been a positive detection of diffuse…

Astrophysics · Physics 2009-11-06 Vasiliki Pavlidou , Brian D. Fields

A deep survey of the Large Magellanic Cloud at ~0.1-100TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the emission of the galaxy, comprising the four known TeV…

High Energy Astrophysical Phenomena · Physics 2023-07-05 The Cherenkov Telescope Array Consortium

We study diffuse gamma-ray emission at intermediate Galactic latitudes measured by the Fermi Large Area Telescope with the aim of searching for a signal from dark matter annihilation or decay. In the absence of a robust dark matter signal,…

High Energy Astrophysical Phenomena · Physics 2013-04-10 G. Zaharijas , J. Conrad , A. Cuoco , Z. Yang

Gamma-ray observations give us a direct view into the most extreme environments of the universe. They help us to study astronomical particle accelerators as supernovae remnants, pulsars, active galaxies or gamma-ray bursts and help us to…

High Energy Astrophysical Phenomena · Physics 2017-08-18 Rolf Buehler

During its first six years of operation, the Fermi Large Area Telescope (LAT) has detected >30 MeV gamma-ray emission from more than 40 solar flares, nearly a factor of 10 more than those detected by EGRET. These include detections of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 N. Omodei , V. Petrosian , W. Liu , F. Rubio da Costa , Q. Chen , M. Pesce-Rollins , E. Grove , F. Longo

The Fermi Large Area Telescope (LAT) has provided the most detailed view to date of the emission towards the Galactic centre (GC) in high-energy gamma-rays. This paper describes the analysis of data taken during the first 62 months of the…

High Energy Astrophysical Phenomena · Physics 2017-02-22 LAT Collaboration

The Fermi Bubbles, which comprise two large and homogeneous regions of spectrally hard gamma-ray emission extending up to $55^{o}$ above and below the Galactic Center, were first noticed in GeV gamma-ray data from the Fermi Telescope in…

High Energy Astrophysical Phenomena · Physics 2019-08-13 H. A. Ayala Solares , C. M. Hui , P. Hüntemeyer

The Fermi LAT has opened the way for comparative studies of cosmic rays (CRs) and high-energy objects in the Milky Way (MW) and in other, external, star-forming galaxies. Using 2 yr of observations with the Fermi LAT, local Group galaxy M31…

High Energy Astrophysical Phenomena · Physics 2017-03-01 LAT Collaboration

We report the detection of high-energy gamma-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. Steady point-like emission above 200 MeV has been detected…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Fermi LAT Collaboration , A. A. Abdo

Recent studies have found a positive correlation between the star-formation rate of galaxies and their gamma-ray luminosity. Galaxies with a high star-formation rate are expected to produce a large amount of high-energy cosmic rays, which…

High Energy Astrophysical Phenomena · Physics 2016-08-17 Cesar Rojas-Bravo , Miguel Araya

The Fermi Large Area Telescope (LAT) is the most sensitive instrument ever deployed in space for observing gamma-ray emission >100 MeV. This sensitivity has enabled the LAT to detect gamma-ray emission from the Sun during quiescent periods…

High Energy Astrophysical Phenomena · Physics 2013-04-04 N. Omodei , V. Petrosian , M. Pesce-Rollins , the Fermi-LAT Collaboration

Stellar feedback plays a crucial role in star formation and the life cycle of molecular clouds. The intense star formation region 30 Doradus, which is located in the Large Magellanic Cloud (LMC), is a unique target for detailed…

The enigma of cosmic ray origin and propagation stands as a key question in particle astrophysics. The precise spatial and spectral measurements of diffuse Galactic gamma-ray emission provide new avenues for unraveling this mystery. Based…

High Energy Astrophysical Phenomena · Physics 2025-10-01 Qi-Ling Chen , Qiang Yuan , Yi-Qing Guo , Ming-Ming Kang , Chao-Wen Yang

High energy $\gamma$ rays from Giant Molecular Clouds (GMCs) carry direct information about the spatial and energy distributions of Galactic Cosmic Rays (CRs). The recently released catalogs of GMCs contain sufficiently massive clouds to be…

High Energy Astrophysical Phenomena · Physics 2020-04-22 Felix Aharonian , Giada Peron , Ruizhi Yang , Sabrina Casanova , Roberta Zanin

The Large Area Telescope (LAT) on the Fermi satellite is the first gamma-ray instrument to discover pulsars directly via their gamma-ray emission. Roughly one third of the 117 gamma-ray pulsars detected by the LAT in its first three years…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Pablo M. Saz Parkinson

We present a new method to interpret the $\gamma$-ray data of our inner Galaxy as measured by the Fermi Large Area Telescope (Fermi LAT). We train and test convolutional neural networks with simulated Fermi-LAT images based on models tuned…

High Energy Astrophysical Phenomena · Physics 2018-05-29 Sascha Caron , Germán A. Gómez-Vargas , Luc Hendriks , Roberto Ruiz de Austri