Testing and performance of UFFO burst alert & trigger telescope

Jakub Řípa, Min Bin Kim, Jik Lee, Il Huang Park, Ji Eun Kim, Heuijin Lim, Soomin Jeong, Alberto Javier Castro-Tirado, Paul Henry Connell, Chris Eyles, Victor Reglero, Juana Maria Rodrigo, V. Bogomolov, M. I. Panasyuk, V. Petrov, S. Svertilov, I. Yashin, S. Brandt, C. Budtz-Jørgensen, Y. Y. ChangP. Chen, M. A. Huang, T. C. Liu, J. W. Nam, M. Z. Wang, C. R. Chen, H. S. Choi, S. W. Kim, K. W. Min

Research output: Contribution to journalConference articlepeer-review


The Ultra-Fast Flash Observatory pathfinder (UFFO-p) is a new space mission dedicated to detect Gamma-Ray Bursts (GRBs) and rapidly follow their afterglows in order to provide early optical/ultraviolet measurements. A GRB location is determined in a few seconds by the UFFO Burst Alert & Trigger telescope (UBAT) employing the coded mask imaging technique and the detector combination of Yttrium Oxyorthosilicate (YSO) scintillating crystals and multi-anode photomultiplier tubes. The results of the laboratory tests of UBAT's functionality and performance are described in this article. The detector setting, the pixel-to-pixel response to X-rays of different energies, the imaging capability for <50 keV X-rays, the localization accuracy measurements, and the combined test with the Block for X-ray and Gamma-Radiation Detection (BDRG) scintillator detector to check the efficiency of UBAT are all described. The UBAT instrument has been assembled and integrated with other equipment on UFFO-p and should be launched on board the Lomonosov satellite in late-2015.

Original languageEnglish
Article number102
JournalProceedings of Science
StatePublished - 2014
Event10th Conference on Swift, SWIFT 2014 - Rome, Italy
Duration: 2 Dec 20145 Dec 2014

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