The Microchannel X-ray Telescope on Board the SVOM Satellite
D. Gotz, C. Adami, S. Basa, V. Beckmann, V. Burwitz, R. Chipaux, B., Cordier, P. Evans, O. Godet, R. Goosmann, N. Meidinger, A. Meuris, C. Motch,, K. Nandra, P. O'Brien, J. Osborne, E. Perinati, A. Rau, R. Willingale, K., Mercier, F. Gonzalez

TL;DR
The paper introduces the MXT, a compact X-ray telescope for the SVOM mission, capable of precise localization and detection of gamma-ray burst afterglows, demonstrating the viability of small, lightweight X-ray telescopes for space science.
Contribution
It presents the design, specifications, and expected performance of the MXT, a novel micro-channel optics-based X-ray telescope for the SVOM satellite.
Findings
Expected localization accuracy better than 1 arc min
Effective area of about 45 cm² at 1 keV
Suitable for detecting most SVOM GRB afterglows
Abstract
We present the Micro-channel X-ray Telescope (MXT), a new narrow-field (about 1{\deg}) telescope that will be flying on the Sino-French SVOM mission dedicated to Gamma-Ray Burst science, scheduled for launch in 2021. MXT is based on square micro pore optics (MPOs), coupled with a low noise CCD. The optics are based on a "Lobster Eye" design, while the CCD is a focal plane detector similar to the type developed for the seven eROSITA telescopes. MXT is a compact and light (<35 kg) telescope with a 1 m focal length, and it will provide an effective area of about 45 cmsq on axis at 1 keV. The MXT PSF is expected to be better than 4.2 arc min (FWHM) ensuring a localization accuracy of the afterglows of the SVOM GRBs to better than 1 arc min (90\% c.l. with no systematics) provided MXT data are collected within 5 minutes after the trigger. The MXT sensitivity will be adequate to detect the…
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