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Related papers: Detection of the crab pulsar with MAGIC

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MAGIC has been exploring the sky at Very High Energy gamma-rays (50 GeV - 50 TeV) since 2004, operating first with a single telescope and from 2009 with two telescopes in stereoscopic mode. MAGIC has carried out a observational program…

High Energy Astrophysical Phenomena · Physics 2020-03-10 Josep M. Paredes , MAGIC Collaboration

HAWC has developed new energy algorithms using an artificial neural network for event-by-event reconstruction of Very High Energy (VHE) primary gamma ray energies. Unlike previous estimation methods for HAWC photons, these estimate photon…

High Energy Astrophysical Phenomena · Physics 2019-09-02 J. T. Linnemann , J. P. Harding , J. Lundeen , S. Marinelli , H. Martínez-Huerta

MAGIC has been performing optically triggered Target of Opportunity observations of flaring blazars since the beginning of its scientific operations. The alerts of flaring blazars originate from Tuorla blazar monitoring program, which…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-06 Elina J. Lindfors , Riho Reinthal , Daniel Mazin , Kari Nilsson , Leo Takalo , Aimo Sillanpaa , Andrei Berduygin

In recent years, surprise discoveries of pulsed emission from the Crab and Vela pulsars above 100 GeV have drawn renewed attention to this largely unexplored region of the energy range. In this paper, we discuss example light curves due to…

High Energy Astrophysical Phenomena · Physics 2018-08-22 Christo Venter , Monica Barnard , Alice K. Harding , Constantinos Kalapotharakos

The recent advances in TeV gamma-ray astronomy are largely the result of the ability to differentiate between extensive air showers generated by gamma rays and hadronic cosmic rays. Air Cherenkov telescopes have developed and perfected the…

Astrophysics · Physics 2012-08-27 The Milagro Collaboration

We report on gamma-ray observations of the Crab Pulsar and Nebula using 8 months of survey data with the Fermi Large Area Telescope (LAT). The high quality light curve obtained using the ephemeris provided by the Nancay and Jodrell Bank…

High Energy Astrophysical Phenomena · Physics 2012-08-27 The Fermi LAT collaboration , the Fermi Pulsar Timing Consortium , : , A. A. Abdo

The recent discovery of PeV electrons from the Crab nebula, produced on rapid time scales of one day or less with a sharply peaked gamma-ray spectrum without hard X-rays, challenges traditional models of diffusive shock acceleration…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Peter Sturrock , Markus J. Aschwanden

Magnetic pair creation $\gamma \to e^+e^-$ has been at the core of radio pulsar paradigms and central to polar cap models of gamma-ray pulsars for over three decades. The Fermi gamma-ray pulsar population now exceeds 140 sources and has…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Sarah A. Story , Matthew G. Baring

The spectrum derived here for the most tightly-focused component of the radiation generated by the superluminally moving current sheet in the magnetrosphere of a non-aligned neutron star has a distribution function that fits the entire…

High Energy Astrophysical Phenomena · Physics 2023-04-19 Houshang Ardavan

Several binary systems, composed of a star and a compact object, have been detected in the GeV-TeV range. Several systems have been observed but only a handful of sources have shown emission at those energies. Here, we present the…

High Energy Astrophysical Phenomena · Physics 2019-08-14 A. López-Oramas , O. Blanch Bigas , J. Cortina , D. Hadasch , A. Herrero , B. Marcote , P. Munar-Adrover , J. Moldón , J. M. Paredes , I. Ribas , M. Ribó , D. Torres , R. Zanin

We report ~ 600 days of BATSE earth-occultation observations of the total gamma-ray (30 keV to 1.7 MeV) emission from the Crab nebula, between 1991 May 24 (TJD 8400) and 1994 October 2 (TJD 9627). Lightcurves from 35-100, 100-200, 200-300,…

Astrophysics · Physics 2009-11-10 J. C. Ling , Wm. A. Wheaton

A recent report from the Milagro collaboration included an all-sky map created using one year of data from Milagro (peak sensitivity at 3-4 TeV for Crab-like spectra). This map included an unidentified excess that was brighter than the Crab…

Astrophysics · Physics 2007-05-23 A. Falcone

M87 is the only known non blazar radio galaxy to emit very high energy (VHE) gamma-rays. During a monitoring program of M87, a rapid flare in VHE gamma-rays was detected by the MAGIC telescope in early 2008. The flux was found to be…

Astrophysics · Physics 2011-02-11 MAGIC Collaboration , J. Albert

Since the 2011 VERITAS discovery of very high energy (VHE; E>100 GeV) gamma rays from the Crab pulsar, there has been concerted effort by the gamma-ray astrophysics community to detect other pulsars in the VHE band in order to place better…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Avery Archer

MAGIC has been performing optically triggered Target of Opportunity observations of flaring blazars since the beginning of its scientific operations. The alerts of flaring blazars originate from Tuorla Blazar Monitoring Programme, which…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Riho Reinthal , Elina J. Lindfors , Daniel Mazin , Kari Nilsson , Leo O. Takalo , Aimo Sillanpää , Andrei Berdyugin

The gamma-ray pulsar PSR B1509-58 and its surrounding nebulae have been observed with the CANGAROO 3.8m imaging atmospheric Cherenkov telescope. The observations were performed from 1996 to 1998 in Woomera, South Australia, under different…

In the last couple of years the Magic air Cherenkov telescope has made significant contributions to very high energy $\gamma$-ray astronomy. These include the detection of the galactic binary system LSI +61 303 and the observation of pulsed…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 D. Kranich

Major Atmospheric Gamma Imaging Cherenkov Telescopes (MAGIC) detected the gamma-ray afterglow of GRB 190114C, which can constrain microscopic parameters of the shock-heated plasma emitting non-thermal emission. Focusing on the early…

High Energy Astrophysical Phenomena · Physics 2020-12-22 Katsuaki Asano , Kohta Murase , Kenji Toma

Using the first three and a half years of observations from the Energetic Gamma Ray Telescope (EGRET) on board the Compton Gamma Ray Observatory (CGRO), phase-resolved analyses are performed on the emission from the three brightest…

Astrophysics · Physics 2008-11-26 J. M. Fierro , P. F. Michelson , P. L. Nolan , D. J. Thompson

We present a modified outer gap model to study the phase-resolved spectra of the Crab pulsar. A theoretical double peak profile of the light curve containing the whole phase is shown to be consistent with the observed light curve of the…

Astrophysics · Physics 2009-06-23 J. J. Jia , Anisia P. S. Tang , J. Takata , H. K. Chang , K. S. Cheng
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