IN-FLIGHT CALIBRATIONS OF UFFO-PATHFINDER

Gamma-ray Bursts: 15 Years of GRB Afterglows Pub Date : 2013-11-11 DOI:10.1051/EAS/1361093

J. Řípa, S. Ahmad, P. Barrillon, S. Brandt, C. Budtz-Jørgensen, A. Castro-Tirado, S.-H. Chang, Y. Chang, C. R. Chen, Pisin Chen, H. S. Choi, Yong-Jin Choi, P. Connell, S. Dagoret-Campagne, C. Eyles, B. Grossan, J. J. Huang, M. Huang, S. Jeong, A. Jung, Jieun Kim, Min Bin Kim, Sug-Whan Kim, Y. W. Kim, A. S. Krasnov, J. Lee, H. Lim, C.Y. Lin, E. Linder, T. Liu, N. Lund, K. Min, G. Na, J. Nam, M. Panasyuk, I. Park, V. Reglero, J. Rodrigo, G. Smoot, J. Suh, S. Svertilov, N. Vedenkin, Minzu Wang, I. Yashin

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Abstract

The Ultra-Fast Flash Observatory (UFFO), which will be launched onboard the Lomonosov spacecraft, contains two crucial instruments: UFFO Burst Alert & Trigger Telescope (UBAT) for detection and localization of Gamma-Ray Bursts (GRBs) and the fast-response Slewing Mirror Telescope (SMT) designed for the observation of the prompt optical/UV counterparts. Here we discuss the in-space calibrations of the UBAT detector and SMT telescope. After the launch, the observations of the standard X-ray sources such as pulsar in Crab nebula will provide data for necessary calibrations of UBAT. Several standard stars will be used for the photometric calibration of SMT. The celestial X-ray sources, e.g. X-ray binaries with bright optical sources in their close angular vicinity will serve for the cross-calibration of UBAT and SMT.

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uffo探路者的飞行校准

将在罗蒙诺索夫号航天器上发射的超快闪光天文台(UFFO)包含两个关键仪器:用于探测和定位伽马射线暴(GRBs)的UFFO突发警报和触发望远镜(UBAT)和用于观测快速光学/紫外对口的快速响应回转镜望远镜(SMT)。本文讨论了UBAT探测器和SMT望远镜的空间标定问题。发射后，对蟹状星云脉冲星等标准x射线源的观测将为UBAT的必要校准提供数据。几颗标准恒星将用于SMT的光度校准。天体x射线源，例如在其近角附近有明亮光源的x射线双星，将用于UBAT和SMT的交叉校准。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Gamma-ray Bursts: 15 Years of GRB Afterglows

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