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Very high energy gamma-ray production inside the massive binary system Cyg X-1/HDE 226868
W. Bednarek, F. Giovannelli
We apply the IC e pair cascade model in order to investigate the possible -ray emission features from another compact massive binary of the microquasar type, Cyg X-1. We c…
Signal Reconstruction for the MAGIC Telescope
J. Albert
Until April 2007 the MAGIC telescope used a 300 MSamples/s FADC system to sample the shaped PMT signals produced by the captured Cherenkov photons of air showers. Different algorit…
Observation of very high energy gamma-rays from the AGN 1ES 2344+514 in a low emission state with the MAGIC telescope
J. Albert et al.
The MAGIC collaboration has observed very high energy gamma ray emission from the AGN 1ES 2344+514. A gamma-ray signal corresponding to an 11 sigma excess and an integral flux of (…
GeV-TeV gamma-ray light curves expected in the IC electron-positron pair cascade model for massive binaries: Application to LS 5039
W. Bednarek
TeV gamma-ray emission from two massive binaries of the microquasar type, LS 5039 and LS I +61 303, show clear variability with their orbital periods. Our purpose is to c…
Internal absorption of gamma-rays in relativistic blobs of active galactic nuclei
Julian Sitarek, Wlodek Bednarek
We investigate the production of gamma-rays in the inverse Compton (IC) scattering process by leptons accelerated inside relativistic blobs in jets of active galactic nuclei. Lepto…
High Energy Processes in Pulsar Wind Nebulae
W. Bednarek
Young pulsars produce relativistic winds which interact with matter ejected during the supernova explosion and the surrounding interstellar gas. Particles are accelerated to very h…
Inverse Compton e-p pair cascade model for the gamma-ray production in massive binary LSI +61^o 303
W. Bednarek
We apply an inverse Compton pair cascade model for -ray production in massive binary system LSI +61 303 assuming that electrons are accelerated already inside…
Detection of VHE radiation from the BL Lac PG 1553+113 with the MAGIC telescope
J. Albert et al.
In 2005 and 2006, the MAGIC telescope has observed very high energy gamma-ray emission from the distant BL Lac object PG 1553+113. The overall significance of the signal is 8.8 sig…
Variable Very High Energy Gamma-ray Emission from the Microquasar LS I +61 303
MAGIC Collaboration, J. Albert
Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and laboratories for elucidating the physics of relativistic j…
Observation of VHE Gamma Radiation from HESS J1834-087/W41 with the MAGIC Telescope
J. Albert et al.
Recently, the HESS array has reported the detection of gamma-ray emission above a few hundred GeV from eight new sources located close to the Galactic Plane. The source HESS J1834-…
Flux upper limit of gamma-ray emission by GRB050713a from MAGIC Telescope observations
J. Albert, E. Aliu, H. Anderhub +127
The long-duration GRB050713a was observed by the MAGIC Telescope, 40 seconds after the burst onset, and followed up for 37 minutes, until twilight. The observation, triggered by a…
Propagation of very high energy gamma-rays inside massive binaries LS 5039 and LSI +61 303
W. Bednarek
It is expected that high energy gamma-rays, if injected relatively close to the massive stars in binary systems LS 5039 and LSI 61 3003, should be strongly absorbed, initiating inv…