Accueil > Séminaires d’Astrophysique > Observations of VHE gamma-rays from Galactic Sources with the MAGIC telescope

 

Observations of VHE gamma-rays from Galactic Sources with the MAGIC telescope

Hendrik Bartko (Max-Planck-Institut für Physik, Munich)

Par Stephane Charpinet - 8/09/2007

 

Séminaires d’Astrophysique

de l’Observatoire Midi-Pyrénées


Séminaire de

Hendrik BARTKO

 (Max-Planck-Institut für Physik, Munich)

Jeudi 20 Septembre 2007 à 11h

CESR


Observations of VHE gamma-rays from Galactic Sources with the MAGIC telescope

One of the most important ’messengers’ of many high energy phenomena in our universe are gamma-rays. The detection of very high energy (VHE) cosmic gamma- radiation by ground-based Cherenkov telescopes has opened a new window to the Universe, called gamma-ray astronomy. It is a rapidly expanding field with a wealth of new results, particularly during the last two years, due to the high sensitivity of a new generation of instruments. The major scientific objective of gamma-ray astronomy is the understanding of the production, acceleration and reaction mechanisms of very high energy particles in astronomical objects. This is tightly linked to the search for sources of the cosmic rays.

The MAGIC (Major Atmospheric Gamma-ray Imaging Cherenkov) telescope is one of the new generation of Imaging Air Cherenkov Telescopes (IACT) for VHE gamma-ray astronomy. With its 17m diameter mirror the MAGIC telescope is today the largest operating single-dish IACT. It is located on the Canary Island La Palma (28.8 deg N, 17.8 W, 2200m asl.).

We present results from observations of galactic sources such as super nova remnants, micro-quasars, pulsars and pulsar wind nebulae. We briefly describe the observational strategy, the procedure implemented for the data analysis, and discuss the results for individual sources in the perspective of multifrequency observations. The observations give new insight into the physics of these objects and to the origin of cosmic rays.

 

 

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Laboratoire Astrophysique de Toulouse - Tarbes (UMR5572)

CNRS (Midi-Pyrénées)

Univ. Paul Sabatier

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