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C. W. Mauche, M. Abada-Simon, J. F. Desmurs, M. Dulude et autres
We provide a summary of results, obtained from a multiwavelength (TeV gamma-ray, X-ray, UV, optical, and radio) campaign of observations of AE Aqr conducted in 2005 August 28-September 2, on the nature and correlation of the flux variations in the various wavebands, …
fr (code pays fourni par la source)
Hans Anderhub, Lucio Angelo Antonelli, P. Antoranz, Michael Backes et autres
The discovery of very high energy (VHE) gamma-ray emitting X-ray binaries has triggered an intense effort to better understand the particle acceleration, absorption, and emission mechanisms in compact binary systems, which provide variable conditions along eccentric orbits. Despite this, the nature of …
ch, it, es, de, pl, hr, us, fi, bg (code pays fourni par la source)
Hans Anderhub, Lucio Angelo Antonelli, P. Antoranz, Michael Backes et autres
We present results of the multiwavelength campaign on the TeV blazar Mkn 501 performed in 2006 July, including MAGIC for the very-high-energy (VHE) γ-ray band and Suzaku for the X-ray band. A VHE γ-ray signal was clearly detected with an average flux …
ch, it, es, de, pl, us, fi, bg (code pays fourni par la source)
V. A. Acciari, E. Aliu, T. Aune, M. Beilicke et autres
We report on the results of two coordinated multiwavelength campaigns that focused on the blazar Markarian 421 during its 2006 and 2008 outbursts. These campaigns obtained UV and X-ray data using the XMM-Newton satellite, while the gamma-ray data were obtained utilizing three …
us, gb, ie, ca, fr, ar, es, ch, it, de, pl (code pays fourni par la source)
Hans Anderhub, Lucio Angelo Antonelli, P. Antoranz, Michael Backes et autres
Based on MAGIC observations from 2007 June to July, we have obtained an integral upper limit to the VHE energy emission of the globular cluster M13 of F ( E >200 GeV) < 5.1 × 10 −12 cm −2 s −1 , …
ch, it, es, de, pl, us, fi, bg (code pays fourni par la source)
V. A. Acciari, E. Aliu, T. Arlen, M. A. Bautista et autres
Black Hole Energy Boost More than 20 galaxies are known to emit photons with energies a trillion times higher than those of visible light, but it is not known where this emission originates. These galaxies are part of a class of active …
us, ca, gb, ie, fr, de, pl (code pays fourni par la source)
E. Aliu, Hans Anderhub, Lucio Angelo Antonelli, P. Antoranz et autres
We present the result of the observation of the ultrafaint dwarf galaxy Willman 1 performed with the 17 m MAGIC telescope during 15.5 hr between March and May 2008. No significant γ-ray emission was found. We derived upper limits of the order …
es, ch, it, de, pl, us, bg (code pays fourni par la source)
C. W. Mauche, M. Abada-Simon, J. F. Desmurs, M. Dulude et autres
International audience
fr (code pays fourni par la source)
Hans Anderhub, Lucio Angelo Antonelli, P. Antoranz, Michael Backes et autres
Aims. We report upper limits to the very high energy flux ( GeV) of the flat spectrum radio quasar 3C 454.3 () derived by the Cherenkov telescope MAGIC during the high states of July/August and November/December 2007. We compare the upper limits …
ch, it, es, de, pl, us, bg (code pays fourni par la source)
Julian Albert, E. Aliu, Hans Anderhub, Lucio Angelo Antonelli et autres
The MAGIC collaboration has recently reported the discovery of γ-ray emission from the binary system LS I +61°303 in the TeV energy region. Here we present new observational results on this source in the energy range between 300 GeV and 3 TeV. …
de, es, ch, it, pl, am, us, bg (code pays fourni par la source)
E. Aliu, Hans Anderhub, Lucio Angelo Antonelli, P. Antoranz et autres
The MAGIC telescope observed the region around the distant blazar 3C 66A for 54.2 hr in 2007 August–December. The observations resulted in the discovery of a γ-ray source centered at celestial coordinates R.A. = 2 h 23 m 12 s and decl. …
es, ch, it, de, pl, am, us, bg (code pays fourni par la source)
Hiromi Seta, Naoki Isobe, Tomoka Tosaki, K. Nilsson et autres
Suzaku observations of the blazar OJ 287 were performed in 2007 April 10–13 and November 7–9. They correspond to a quiescent and a flaring state, respectively. The X-ray spectra of the source can be well-described with single power-law models in both exposures. …
jp, ru, ch, it, es, de, pl, us, fi, bg (code pays fourni par la source)
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