UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS

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2024-11-23 17:52

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Conference: Bucharest University Faculty of Physics 2017 Meeting


Section: Atomic and Molecular Physics. Astrophysics. Applications


Title:
Simulation framework used in the evaluation of a ground-based calibration system for orbital UV telescopes


Authors:
Gabriel CHIRITOI(1), Alexandru JIPA(2), Eugeniu Mihnea POPESCU(1), Aurelian Andrei RADU(1), Ana CARAMETE(1), Laurentiu Ioan CARAMETE(1), L. G. Tkachev(3)


*
Affiliation:
1) Institute of Space Science, Magurele, Romania

2) Faculty of Physics, University of Bucharest, Romania

3) Joint Institute for Nuclear Research, Dubna, Russia


E-mail
gabriel.chiritoi@spacescience.ro


Keywords:
Calibration, TUS, JEM-EUSO, EAS, UHECR, UV telescope, pixelated detector


Abstract:
The detection of the UV fluorescence yield in Extended Air Showers (EAS) produced by Ultra-High Energy Cosmic Rays (UHECR) by ground observatories is a common EAS study technique. However, in the last years the idea of using space-based UV telescopes for this purpose become reality with the successful lunch of TUS telescope aboard the Russian Lomonosov satellite and NASA Super-Pressure Balloon. The optical calibration of the focal surface detector for these telescopes is very important in order to have reliable data. As such, we report here an evaluation of optimal configuration of a ground based calibration system for several of such telescopes using GBSatCal (Ground-Based Satellite Calibration) software package, a custom made framework developed for this task.


References:

1) H. Adams Jr. et al., Astroparticle Physics 44 (2013) 76-90

2) T. Mernik et al., Proc. of the 33rd International Cosmic Ray Conference (2013), 55-58 (ID 0777)

3) Y. Kawasaki et al., Proc. of the 32nd International Cosmic Ray Conference 3 (2011) 96-98 (ID 0472)