Related papers: The Crab pulsar in the 0.75-30 MeV range as seen b…

Search for Pulsed TeV Gamma-ray Emission from the Crab Pulsar

We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10 m gamma-ray telescope. The direction of the Crab pulsar was observed for a total of 73.4 hours between 1994 November and 1997…

Astrophysics · Physics 2009-10-31 R. W. Lessard , I. H. Bond , S. M. Bradbury , J. H. Buckley , A. M. Burdett , D. A. Carter-Lewis , M. Catanese , M. F. Cawley , M. D'Vali , D. J. Fegan , J. P. Finley , J. A. Gaidos , G. H. Gillanders , T. Hall , A. M. Hillas , F. Krennrich , M. J. Lang , C. Masterson , P. Moriarty , J. Quinn , H. J. Rose , F. W. Samuelson , G. H. Sembroski , R. Srinivasan , V. V. Vassiliev , T. C. Weekes

A Search for Pulsed TeV Gamma Ray Emission from the Crab Pulsar

We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10m gamma-ray telescope. The direction of the Crab pulsar was observed for a total of 73.4 hours between 1994 November and 1997…

Astrophysics · Physics 2007-05-23 A. M. Burdett , I. H. Bond , P. J. Boyle , S. M. Bradbury , J. H. Buckley , D. A. Carter-Lewis , M. Catanese , M. F. Cawley , M. D'Vali , D. J. Fegan , S. J. Fegan , J. P. Finley , J. A. Gaidos , G. H. Gillanders , T. A. Hall , A. M. Hillas , J. Kildea , J. Knapp , F. Krennrich , M. J. Lang , S. LeBohec , R. W. Lessard , C. Masterson , P. Moriarty , J. Quinn , H. J. Rose , F. W. Samuelson , G. H. Sembroski , R. Srinivasan , V. V. Vassiliev , T. C. Weekes

Gamma-Ray Spectra & Variability of the Crab Nebula Emission Observed by BATSE

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

Observations of the Crab Nebula and Pulsar with VERITAS

Observations of the Crab Nebula have proven to be the best tool to calibrate and to characterize the performance of a Cherenkov telescope. Scientifically, it is interesting to measure the energy spectrum of the Crab Nebula close to the…

Astrophysics · Physics 2019-08-13 O. Celik

Phase-resolved energy spectra of the Crab Pulsar in the range of 50-400 GeV measured with the MAGIC Telescopes

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

INTEGRAL observations of the Crab pulsar

The paper presents the timing and spectral analysis of several observations of the Crab pulsar performed with INTEGRAL in the energy range 3-500 keV. All these observations, when summed together provide a high statistics data set which can…

Astrophysics · Physics 2009-11-11 T. Mineo , C. Ferrigno , L. Foschini , A. Segreto , G. Cusumano , G. Malaguti , G. Di Cocco , C. Labanti

The Crab Pulsar at Centimeter Wavelengths: I. Ensemble Characteristics

We have observed the pulsar in the Crab Nebula at high radio frequencies and high time resolution. We present continuously sampled data at 640-ns time resolution, and individual bright pulses recorded at down to 0.25-ns time resolution.…

High Energy Astrophysical Phenomena · Physics 2015-06-23 T. H. Hankins , G. Jones , J. A. Eilek

The Crab Nebula and Pulsar between 500 GeV and 80 TeV: Observations with the HEGRA stereoscopic air Cherenkov telescopes

The Crab supernova remnant has been observed regularly with the stereoscopic system of 5 imaging air Cherenkov telescopes that was part of the High Energy Gamma Ray Astronomy (HEGRA) experiment. In total, close to 400 hours of useful data…

Astrophysics · Physics 2010-01-28 F. Aharonian et al.

COMPTEL detection of pulsed gamma-ray emission from B1509-58 up to at least 10 MeV

We report on the first firm detection of pulsed gamma-ray emission from PSR B1509-58 in the 0.75-30 MeV energy range in CGRO COMPTEL data collected over more than 6 years. The modulation significance in the 0.75-30 MeV pulse-phase…

Astrophysics · Physics 2007-05-23 L. Kuiper , W. Hermsen , J. M. Krijger , K. Bennett , A. Carraminana , V. Schoenfelder , M. Bailes , R. N. Manchester

The Crab nebula: Linking MeV synchrotron and 50 TeV inverse Compton photons

Pulsar wind driven synchrotron nebulae are offering a unique view on the connection of the pulsar wind and the surrounding medium. The Crab nebula is particularly well suited for detailed studies of the different emission regions. As…

Astrophysics · Physics 2007-05-23 D. Horns , F. A. Aharonian

Observations of the Crab pulsar between 25 GeV and 100 GeV with the MAGIC I telescope

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

COMPTEL Observations of 3C 279 during the first 4 Years of the CGRO-Mission

The COMPTEL experiment aboard the Compton Gamma-Ray Observatory (CGRO) has observed the gamma-ray blazar 3C 279 several times between April 1991 and September 1995. This paper reports on a consistent analysis of these observations using the…

Astrophysics · Physics 2007-05-23 W. Collmar , J. J. Blom , K. Bennett , H. Bloemen , W. Hermsen , J. Ryan , V. Schoenfelder , J. G. Stacy , O. R. Williams

Phase-Resolved Studies of the High-Energy Gamma-Ray Emission from the Crab, Geminga, and Vela Pulsars

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

The Crab pulsar at VHE

The last six years have witnessed major revisions of our knowledge about the Crab Pulsar. The consensus scenario for the origin of the high-energy pulsed emission has been challenged with the discovery of a very-high-energy power law tail…

High Energy Astrophysical Phenomena · Physics 2017-04-05 Roberta Zanin

Absolute timing of the Crab pulsar with the INTEGRAL/SPI telescope

We have investigated the pulse shape evolution of the Crab pulsar emission in the hard X-ray domain of the electromagnetic spectrum. In particular, we have studied the alignment of the Crab pulsar phase profiles measured in the hard X-rays…

High Energy Astrophysical Phenomena · Physics 2014-11-20 S. Molkov , E. Jourdain , J. P. Roques

EGRET Gamma-Ray Observations of the Crab P2/P1 Ratio

Recent observations of the Crab pulsar by the Energetic Gamma-Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory show that the high-energy gamma-ray light curve has changed little over the lifetime of the instrument.…

Astrophysics · Physics 2009-10-30 W. F. Tompkins , B. B. Jones , P. L. Nolan , G. Kanbach , P. V. Ramanamurthy , D. J. Thompson

COMPTEL gamma-ray study of the Crab nebula

We report on a study of the gamma-ray continuum emission from the Crab supernova nebula and on a search for nuclear de-excitation gamma-ray lines. Crab is the brightest continuum source in the 1-10 MeV gamma-ray sky, and its continuum…

Astrophysics · Physics 2007-05-23 R. D. van der Meulen , H. Bloemen , K. Bennett , W. Hermsen , L. Kuiper , R. P. Much , J. Ryan , V. Sch"onfelder , A. Strong

Detection of the Crab Pulsar with VERITAS above 100 GeV

We discuss the recent detection of pulsed gamma-ray emission from the Crab Pulsar above 100 GeV with the VERITAS array of atmospheric Cherenkov telescopes. Gamma-ray emission at theses energies is not expected in present pulsar models. We…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Andrew McCann

Fermi Large Area Telescope Observations of the Crab Pulsar and Nebula

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 Phase-resolved High Energy Spectrum of the Crab Pulsar

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