31 May 2017 X-ray Lobster Eye all-sky monitor for rocket experiment
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Abstract
This paper presents a Lobster Eye (LE) X-ray telescope developed for the Water Recovery X-ray Rocket (WRX-R) experiment. The primary payload of the rocket experiment is a soft X-ray spectroscope developed by the Pennsylvania State University (PSU), USA. The Czech team participates by hard LE X-ray telescope as a secondary payload. The astrophysical objective of the rocket experiment is the Vela Supernova of size about 8deg x 8deg. In the center of the nebula is a neutron star with a strong magnetic field, roughly the mass of the Sun and a diameter of about 20 kilometers forming the Vela pulsar.

The primary objective of WRX-R is the spectral measurement of the outer part of the nebula in soft X-ray and FOV of 3.25deg x 3.25deg. The secondary objective (hard LE X-ray telescope) is the Vela neutron star observation. The hard LE telescope consists of two X-ray telescopes with the Timepix detector. First telescope uses 2D LE Schmidt optics (2DLE- REX) with focal length over 1m and 4 Timepix detectors (2x2 matrix). The telescope FOV is 1.5deg x 1.5deg with spectral range from 3keV to 60keV. The second telescope uses 1D LE Schmidt optics (1D-LE-REX) with focal length of 25 cm and one Timepix detector. The telescope is made as a wide field with FOV 4.5deg x 3.5deg and spectral range from 3keV to 40keV. The rocket experiment serves as a technology demonstration mission for the payloads. The LE X-ray telescopes can be in the future used as all‐sky monitor/surveyor. The astrophysical observation can cover the hard X-ray observation of astrophysical sources in time-domain, the GRBs surveying or the exploration of the gravitational wave sources.
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V. Dániel, V. Dániel, A. Inneman, A. Inneman, L. Pína, L. Pína, V. Zadražil, V. Zadražil, T. Báča, T. Báča, V. Stehlíková, V. Stehlíková, O. Nentvich, O. Nentvich, M. Urban, M. Urban, V. Maršíková, V. Maršíková, R. McEntaffer, R. McEntaffer, J. Tutt, J. Tutt, T. Schulz, T. Schulz, "X-ray Lobster Eye all-sky monitor for rocket experiment", Proc. SPIE 10235, EUV and X-ray Optics: Synergy between Laboratory and Space V, 1023503 (31 May 2017); doi: 10.1117/12.2277515; https://doi.org/10.1117/12.2277515
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