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We use 73 h of stereoscopic data taken with the MAGIC telescopes to investigate the very high-energy (VHE) gamma-ray emission of the Crab pulsar. Our data show a highly significant pulsed signal in the energy range from 50 to 400 GeV in…

High Energy Astrophysical Phenomena · Physics 2012-08-08 MAGIC Collaboration , J. Aleksić , E. A. Alvarez , L. A. Antonelli , P. Antoranz , M. Asensio , M. Backes , J. A. Barrio , D. Bastieri , J. Becerra González , W. Bednarek , A. Berdyugin , K. Berger , E. Bernardini , A. Biland , O. Blanch , R. K. Bock , A. Boller , G. Bonnoli , D. Borla Tridon , I. Braun , T. Bretz , A. Cañellas , E. Carmona , A. Carosi , P. Colin , E. Colombo , J. L. Contreras , J. Cortina , L. Cossio , S. Covino , F. Dazzi , A. De Angelis , G. De Caneva , E. De Cea del Pozo , B. De Lotto , C. Delgado Mendez , A. Diago Ortega , M. Doert , A. Domínguez , D. Dominis Prester , D. Dorner , M. Doro , D. Eisenacher , D. Elsaesser , D. Ferenc , M. V. Fonseca , L. Font , C. Fruck , R. J. García López , M. Garczarczyk , D. Garrido , G. Giavitto , N. Godinović , D. Hadasch , D. Häfner , A. Herrero , D. Hildebrand , D. Höhne-Mönch , J. Hose , D. Hrupec , T. Jogler , H. Kellermann , S. Klepser , T. Krähenbühl , J. Krause , J. Kushida , A. La Barbera , D. Lelas , E. Leonardo , N. Lewandowska , E. Lindfors , S. Lombardi , M. López , A. López-Oramas , E. Lorenz , M. Makariev , G. Maneva , N. Mankuzhiyil , K. Mannheim , L. Maraschi , M. Mariotti , M. Martínez , D. Mazin , M. Meucci , J. M. Miranda , R. Mirzoyan , J. Moldón , A. Moralejo , P. Munar-Adrover , A. Niedzwiecki , D. Nieto , K. Nilsson , N. Nowak , R. Orito , D. Paneque , R. Paoletti , S. Pardo , J. M. Paredes , S. Partini , M. A. Perez-Torres , M. Persic , L. Peruzzo , M. Pilia , J. Pochon , F. Prada , P. G. Prada Moroni , E. Prandini , I. Puerto Gimenez , I. Puljak , I. Reichardt , R. Reinthal , W. Rhode , M. Ribó , J. Rico , S. Rügamer , A. Saggion , K. Saito , T. Y. Saito , M. Salvati , K. Satalecka , V. Scalzotto , V. Scapin , C. Schultz , T. Schweizer , M. Shayduk , S. N. Shore , A. Sillanpää , J. Sitarek , I. Snidaric , D. Sobczynska , F. Spanier , S. Spiro , V. Stamatescu , A. Stamerra , B. Steinke , J. Storz , N. Strah , T. Surić , L. Takalo , H. Takami , F. Tavecchio , P. Temnikov , T. Terzić , D. Tescaro , M. Teshima , O. Tibolla , D. F. Torres , A. Treves , M. Uellenbeck , H. Vankov , P. Vogler , R. M. Wagner , Q. Weitzel , V. Zabalza , F. Zandanel , R. Zanin , K. Hirotani

We report on observations of the Crab pulsar with the MAGIC telescopes. Our data were taken in both monoscopic (> 25GeV) and stereoscopic (> 50GeV) observation modes. Two peaks were detected with both modes and phase-resolved energy spectra…

High Energy Astrophysical Phenomena · Physics 2019-08-15 S. Klepser , G. Giavitto , M. López , T. Y. Saito , T. Schweizer , I. Snidaric , R. Zanin

High-energy gamma rays are promising tools to constrain or reveal the nature of dark matter, in particular Weakly Interacting Massive Particles. Being well into its pre-construction phase, the Cherenkov Telescope Array (CTA) will soon probe…

High Energy Astrophysical Phenomena · Physics 2021-08-23 Christopher Eckner

The recent discovery of TeV emission from gamma-ray bursts (GRBs) by the MAGIC and H.E.S.S. Cherenkov telescopes confirmed that emission from these transients can extend to very high energies. The TeV energy domain reaches the most…

High Energy Astrophysical Phenomena · Physics 2019-10-16 Imre Bartos , K. Rainer Corley , Nihar Gupte , Neil Ash , Zsuzsa. Márka , Szabolcs Márka

During 2003, a camera designed to measure the optical pulsations of pulsars was installed on a telescope of the H.E.S.S. array. The array is designed for gamma-ray astronomy in the ~100 GeV - 100 TeV energy regime. The aims of this exercise…

Astrophysics · Physics 2009-11-11 J. A. Hinton , G. Hermann , P. Kroetz , S. Funk

Blazars are active galactic nuclei, and the most numerous High Energy (HE) and Very High Energy (VHE) gamma-ray emitters. Their optical emission is often dominated by non-thermal, and, in the case of BL Lacs, featureless continuum…

High Energy Astrophysical Phenomena · Physics 2019-08-14 P. Goldoni , S. Pita , C. Boisson , G. Cotter , D. A. Williams , E. Lindfors

The First \fermi-LAT Catalog of Sources Above 10 GeV reported evidence of pulsed emission above 25 GeV from 12 pulsars, including the Vela pulsar, which showed evidence of pulsation at $>37$ GeV energy bands. Using 62 months of \fermi-LAT…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Gene C. K. Leung , J. Takata , C. W. Ng , A. K. H Kong , P. H. T. Tam , C. Y. Hui , K. S. Cheng

The VERITAS array of 12-m atmospheric-Cherenkov telescopes is used in an intensive observation program focused on the discovery of VHE (E > 100 GeV) gamma-ray-emitting blazars. Since VERITAS began full-scale operation in 2007, more than…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Wystan Benbow

We report on the observation of $\gamma$-rays above 25\,GeV from the Crab pulsar (PSR B0532+21) using the MAGIC I telescope. Two data sets from observations during the winter period 2007/2008 and 2008/2009 are used. In order to discuss the…

High Energy Astrophysical Phenomena · Physics 2015-05-30 MAGIC Collaboration , J. Aleksić , E. A. Alvarez , L. A. Antonelli , P. Antoranz , M. Asensio , M. Backes , J. A. Barrio , D. Bastieri , J. Becerra González , W. Bednarek , A. Berdyugin , K. Berger , E. Bernardini , A. Biland , O. Blanch , R. K. Bock , A. Boller , G. Bonnoli , D. Borla Tridon , I. Braun , T. Bretz , A. Cañellas , E. Carmona , A. Carosi , P. Colin , E. Colombo , J. L. Contreras , J. Cortina , L. Cossio , S. Covino , F. Dazzi , A. De Angelis , G. De Caneva , E. De Cea del Pozo , B. De Lotto , C. Delgado Mendez , A. Diago Ortega , M. Doert , A. Domínguez , D. Dominis Prester , D. Dorner , M. Doro , D. Eisenacher , D. Elsaesser , D. Ferenc , M. V. Fonseca , L. Font , C. Fruck , R. J. García López , M. Garczarczyk , D. Garrido , G. Giavitto , N. Godinović , D. Hadasch , D. Häfner , A. Herrero , D. Hildebrand , D. Höhne-Mönch , J. Hose , D. Hrupec , T. Jogler , H. Kellermann , S. Klepser , T. Krähenbühl , J. Krause , J. Kushida , A. La Barbera , D. Lelas , E. Leonardo , E. Lindfors , S. Lombardi , M. López , A. López-Oramas , E. Lorenz , M. Makariev , G. Maneva , N. Mankuzhiyil , K. Mannheim , L. Maraschi , B. Marcote , M. Mariotti , M. Martínez , D. Mazin , M. Meucci , J. M. Miranda , R. Mirzoyan , J. Moldón , A. Moralejo , P. Munar-Adrover , D. Nieto , K. Nilsson , R. Orito , N. Otte , I. Oya , D. Paneque , R. Paoletti , S. Pardo , J. M. Paredes , S. Partini , M. A. Perez-Torres , M. Persic , L. Peruzzo , M. Pilia , J. Pochon , F. Prada , P. G. Prada Moroni , E. Prandini , I. Puerto Gimenez , I. Puljak , I. Reichardt , R. Reinthal , W. Rhode , M. Ribó , J. Rico , M. Rissi , S. Rügamer , A. Saggion , K. Saito , T. Y. Saito , M. Salvati , K. Satalecka , V. Scalzotto , V. Scapin , C. Schultz , T. Schweizer , M. Shayduk , S. N. Shore , A. Sillanpää , J. Sitarek , I. Snidaric , D. Sobczynska , F. Spanier , S. Spiro , V. Stamatescu , A. Stamerra , B. Steinke , J. Storz , N. Strah , T. Surić , L. Takalo , H. Takami , F. Tavecchio , P. Temnikov , T. Terzić , D. Tescaro , M. Teshima , O. Tibolla , D. F. Torres , A. Treves , M. Uellenbeck , H. Vankov , P. Vogler , R. M. Wagner , Q. Weitzel , V. Zabalza , F. Zandanel , R. Zanin , K. Hirotani

The Cherenkov Telescope Array (CTA) is planned to serve as a ground-based observatory for (very-)high-energy gamma-ray astronomy, open to a wide astrophysics community, providing a deep insight into the non-thermal high-energy universe. It…

High Energy Astrophysical Phenomena · Physics 2019-08-15 M. Renaud

The Cherenkov Telescope Array (CTA) will be the major global observatory for VHE gamma-ray astronomy over the next decade and beyond. It will be an explorer of the extreme universe, with a broad scientific potential: from understanding the…

High Energy Astrophysical Phenomena · Physics 2019-07-22 Ulisses Barres de Almeida

The Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST), with its improved sensitivity relative to previous generation gamma-ray telescopes, is significantly increasing the number of known gamma-ray sources in…

Astrophysics of Galaxies · Physics 2019-08-13 P. M. Saz Parkinson , M. Dormody , M. Ziegler

We present 294 pulsars found in GeV data from the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope. Another 33 millisecond pulsars (MSPs) discovered in deep radio searches of LAT sources will likely reveal pulsations once…

High Energy Astrophysical Phenomena · Physics 2023-11-29 David A. Smith , Philippe Bruel , Colin J. Clark , Lucas Guillemot , Matthew T. Kerr , Paul Ray , Soheila Abdollahi , Marco Ajello , Luca Baldini , Jean Ballet , Matthew Baring , Cees Bassa , Josefa Becerra Gonzalez , Ronaldo Bellazzini , Alessandra Berretta , Bhaswati Bhattacharyya , Elisabetta Bissaldi , Raffaella Bonino , Eugenio Bottacini , Johan Bregeon , Marta Burgay , Toby Burnett , Rob Cameron , Fernando Camilo , Regina Caputo , Patrizia Caraveo , Elisabetta Cavazzuti , Graziano Chiaro , Stefano Ciprini , Ismael Cognard , Paolo Cristarella Orestano , Milena Crnogorcevic , Alessandro Cuoco , Sara Cutini , Filippo D'Ammando , Alessandro de Angelis , Salvatore De Gaetano , Raniere de Menezes , Francesco de Palma , Megan DeCesar , Julia Deneva , Niccola Di Lalla , Leonardo Di Venere , Feraol Fana Dirirsa , Alberto Dominguez , Denis Dumora , Stephen Fegan , Elizabeth Ferrara , Alessio Fiori , Henrike Fleischhack , Chris Flynn , Anna Franckowiak , Paulo Freire , Yasushi Fukazawa , Piergiorgio Fusco , Giorgio Galanti , Viviana Gammaldi , Fabio Gargano , Dario Gasparrini , Federica Giacchino , Nico Giglietto , Francesco Giordano , Marcello Giroletti , David Green , Isabelle Grenier , Sylvain Guiriec , Michael Gustafsson , Alice Harding , Liz Hays , John Hewitt , Deirdre Horan , Xian Hou , Fabian Jankowski , Tyrel Johnson , Robert Johnson , Simon Johnston , Jun Kataoka , Michael J. Keith , Michael Kramer , Michael Kuss , Luca Latronico , Shiu-Hang Lee , Di Li , Jian Li , Brent Limyansky , Francesco Longo , Francesco Loparco , Leonarda Lorusso , Michael Lovellette , Marcus Lower , Pasquale Lubrano , Andrew Lyne , Simone Maldera , Richard Manchester , Alberto Manfreda , Martino Marelli , Guillem Marta-Devesa , Mario Nicola Mazziotta , Julie McEnery , Isabella Mereu , Peter Michelson , Warit Mitthumsiri , Tsunefumi Mizuno , Alex Moiseev , Maria Elena Monzani , Aldo Morselli , Michela Negro , Rodrigo Nemmen , Lars Nieder , Eric Nuss , Nicola Omodei , Monica Orienti , Elena Orlando , Jonathan F. Ormes , Michele Palatiello , David Paneque , Giuliana Panzarini , Massimo Persic , Melissa Pesce-Rollins , Roberta Pillera , Helen Poon , Troy Porter , Giacomo Principe , Silvia Raino , Riccardo Rando , Scott Ransom , Massimiliano Razzano , Soebur Razzaque , Anita Reimer , Olaf Reimer , Nicolas Renault-Tinacci , Roger Romani , Miguel A. Sanchez-Conde , Pablo Saz Parkinson , Lorenzo Scotton , Davide Serini , Carmelo Sgro , Ryan Shannon , Vidushi Sharma , Eric J. Siskind , Gloria Spandre , Paolo Spinelli , Ben Stappers , Tom Stephens , Dan Suson , Hiro Tajima , Dongguen Tak , Gilles Theureau , David Thompson , Omar Tibolla , Diego F. Torres , Janeth Valverde , Christo Venter , Zorawar Wadiasingh , Nina Wang , Pei Wang , Patrick Weltevrede , Kent Wood , Gabrijela Zaharijas

In recent years, ground-based very-high-energy (VHE; E>100 GeV) gamma-ray astronomy has experienced a major breakthrough with the impressive astrophysical results obtained mainly by the current generation experiments like H.E.S.S., MAGIC,…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 R. M. Wagner , E. J. Lindfors , A. Sillanpää , S. Wagner

The TeV extragalactic sky is dominated by blazars, radio-loud active galactic nuclei with a relativistic jet pointing towards the Earth. Blazars show variability that can be quite exceptional both in terms of flux (orders of magnitude of…

High Energy Astrophysical Phenomena · Physics 2023-09-19 M. Cerruti , J. Finke , G. Grolleron , J. P. Lenain , T. Hovatta , M. Joshi , E. Lindfors , P. Morris , M. Petropoulou , P. Romano , S. Vercellone , M. Zacharias

Over the last few years, the data obtained using the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope has provided new insights on high-energy processes in globular clusters, particularly those involving compact objects…

High Energy Astrophysical Phenomena · Physics 2017-02-22 P. H. Thomas Tam , C. Y. Hui , Albert K H. Kong

The Cherenkov Telescope Array is a next generation ground-based gamma-ray observatory de- signed to detect photons in the 20 GeV to 300 TeV energy range. With a sensitivity improvement of up to one order of magnitude on the entire energy…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Roberta Zanin , Jamie Holder

The Cherenkov Telescope Array (CTA) will be the next-generation gamma-ray observatory, investigating gamma-ray and cosmic ray astrophysics at energies from 20 GeV to more than 300 TeV. The observatory, consisting of large arrays of imaging…

High Energy Astrophysical Phenomena · Physics 2018-01-22 The CTA Consortium

The phenomenon of giant radio pulses (GRP) from the Crab Pulsar can be studied at gamma-ray energies using atmospheric-Cherenkov telescopes such as VERITAS and the SGARFACE experiment attached to the Whipple 10 m telescope. Although these…

Astrophysics of Galaxies · Physics 2019-08-13 M. Schroedter

Gamma-rays provide a powerful insight into the non-thermal universe and perhaps a unique probe for new physics beyond the standard model. Current experiments are already giving results in the physics of acceleration of cosmic rays in…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Michele Doro