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Ultralightweight X-ray Telescope Missions: ORBIS and GEO-X

Ezoe, Y; Miyoshi, Y; Kasahara, S; Kimura, T; Ishikawa, K; Fujimoto, M; Mitsuda, K; ... Branduardi-Raymont, G; + view all (2018) Ultralightweight X-ray Telescope Missions: ORBIS and GEO-X. Journal of Astronomical Telescopes, Instruments, and Systems , 4 (4) , Article 046001. 10.1117/1.JATIS.4.4.046001. Green open access

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Abstract

Toward an era of x-ray astronomy, next-generation x-ray optics are indispensable. To meet a demand for telescopes lighter than the foil optics but with a better angular resolution <1 arcmin, we are developing micropore x-ray optics based on micromaching technologies. Using sidewalls of micropores through a thin silicon wafer, this type can be the lightest x-ray telescope ever achieved. Two Japanese missions, ORBIS and GEO-X, will carry this telescope. ORBIS is a small x-ray astronomy mission to monitor supermassive blackholes, while GEO-X is a small exploration mission of the Earth's magnetosphere. Both missions need an ultralightweight (<1 kg) telescope with moderately good angular resolution (<10 arcmin) at an extremely short focal length (<30 cm). We plan to demonstrate this type of telescope in these two missions around 2020.

Type: Article
Title: Ultralightweight X-ray Telescope Missions: ORBIS and GEO-X
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/1.JATIS.4.4.046001
Publisher version: https://doi.org/10.1117/1.JATIS.4.4.046001
Language: English
Additional information: © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
Keywords: x-ray telescope, small satellite, ORBIS, GEO-X
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/10059026
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