MARS - CheObs ed. -- A flexible Software Framework for future Cherenkov Telescopes

Details MARS - CheObs ed. -- A flexible Software Framework for future Cherenkov Telescopes MARS - CheObs ed. -- A flexible Software Framework for future Cherenkov Telescopes

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010apsp.conf..681b&link_type=abstract

ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS. Proceedings of the 11th Conference. Held

Physics

Medical Physics

Mars, Cheobs, Iact, Dwarf, Automation

Scientific paper

In gamma-ray astronomy, a new ground-based project named DWARF (Dedicated multiWavelength Agn Research Facility) is entering the field. It is a Cherenkov telescope project aimed at long-term monitoring of the brightest AGNs in the TeV energy range. One of the former HEGRA telescopes is being refurbished and upgraded with a Geigermode-APD camera. It is planned to be operated as a robotic telescope on the Canary Island of La Palma. Using new technologies, an improvement in sensitivity and an energy threshold of 400GeV are expected. Future plans foresee more small Cherenkov telescopes around the globe enabling for the first time 24 h monitoring in the VHE range. Long-term observations of the brightest AGNs provide the possibility to search for orbital modulation of blazar emission due to super-massive black hole binaries, to study the statistics of flares and their physical origin, and to correlate the data with corresponding data from the neutrino observatory IceCube to search for evidence of hadronic emission processes.
For this project, a flexible and user friendly software package is available: Modular Analysis and Reconstruction Software - Cherenkov Observatory edition (MARS - CheObs ed.). The package provides a framework for any event-based analysis. For the application in the Imaging Air Cherenkov Technique, various methods and algorithms are available. Currently, it is being used for the MAGIC telescope. To allow for automatic analysis, MARS - CheObs ed. includes an automation concept which allows not only for automatic processing of the data, but also for automatic production of simulated data. For the DWARF project, a simulation program (ceres) has been developed and included in the software package. Using this, a design study for the technical upgrades of the telescope was performed.
The simulation of the showers in the atmosphere is performed using the CORSIKA package. The output of this is fed into the telescope simulation ceres. Proper simulations are mandatory, not only for the design study, but also for the analysis of the data Especially for a consistent analysis of long-term data, simulations taking into account varying observation conditions and changing telescope performance are vital. For DWARF, the production on demand of simulated data fitting of each observation is realized with the automation package included in MARS - CheObs ed.

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