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  Geomagnetic field and altitude effects on the performance of future IACT arrays

Szanecki, M., Bernloehr, K., Sobczyńska, D., Niedźwiecki, A., Sitarek, J., & Bednarek, W. (2014). Geomagnetic field and altitude effects on the performance of future IACT arrays. In ICRC 2013 proceedings. Retrieved from http://arxiv.org/abs/1405.1846.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-E4A9-4 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-E4AA-2
Genre: Conference Paper

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 Creators:
Szanecki, M., Author
Bernloehr, K.1, Author           
Sobczyńska, D., Author
Niedźwiecki, A., Author
Sitarek, J., Author
Bednarek , W., Author
Affiliations:
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 MPINP: CTA - Abteilung Hofmann
 Abstract: The performance of IACT's arrays is sensitive to the altitude and geomagnetic field (GF) of the observatory site. Both effects play important role in the region of the sub-TeV gamma-ray measurements. We investigate the influence of GF on detection rates and the energy thresholds for five possible locations of the future CTA observatory using the Monte Carlo simulations. We conclude that the detection rates of gamma rays and the energy thresholds of the arrays can be fitted with linear functions of the altitude and the component of the GF perpendicular to the shower axis core. These results can be directly extrapolated for any possible localization of the CTA. In this paper we also show the influence of both geophysical effects on the images of shower and gamma/hadron separation.

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 Dates: 2014
 Publication Status: Published online
 Pages: 4 pages, 6 figures, two-column. Contribution to ICRC 2013 proceedings
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 Rev. Type: -
 Identifiers: arXiv: 1405.1846
URI: http://arxiv.org/abs/1405.1846
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Title: 33rd International Cosmic Ray Conference (ICRC2013)
Place of Event: Rio de Janeiro, Brazil
Start-/End Date: 2013-07-02 - 2013-07-09

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Title: ICRC 2013 proceedings
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 1405.1846 Start / End Page: - Identifier: -