Calibration of Chandra's near on-axis optical performance

Diab H. Jerius; Terrance J. Gaetz; Margarita Karovska

doi:10.1117/12.509359

3 February 2004 Calibration of Chandra's near on-axis optical performance

Diab H. Jerius, Terrance J. Gaetz, Margarita Karovska

Proceedings Volume 5165, X-Ray and Gamma-Ray Instrumentation for Astronomy XIII; (2004) https://doi.org/10.1117/12.509359
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The Chandra X-Ray telescope has excellent angular resolution for on-axis sources. While the Wolter type I design optimizes on-axis performance, there is a relatively large region in which 0.5" to 1" imaging is possible. The Chandra PSF was first characterized during ground calibration and, most recently, from actual on-orbit measurements. The ground calibration provided data with the highest signal to noise but, because of gravity-induced distortions of the optics, could not completely characterize their performance. We present the results of on-orbit calibrations of the optics' performance, focusing on the near on-axis field of view. We present for the first time an analysis of the energy dependence of the on-orbit PSF.

Citation Download Citation

Diab H. Jerius, Terrance J. Gaetz, and Margarita Karovska "Calibration of Chandra's near on-axis optical performance", Proc. SPIE 5165, X-Ray and Gamma-Ray Instrumentation for Astronomy XIII, (3 February 2004); https://doi.org/10.1117/12.509359

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