(X-ray Imaging and Spectroscopy Mission, XARM, X-ray Astronomy Recovery Mission, ASTRO-H2, ASTRO-H Successor)
(X-ray space telescope aiming for 2022/2023 launch)
XRISM (for X-ray Imaging and Spectroscopy Mission,
formerly XARM for X-ray Astronomy Recovery Mission)
is a JAXA X-ray observatory space mission aiming for
a 2022/2023 launch, with collaboration from NASA,
and the ESA. Instruments:
Each will have its own 45-cm telescope.
XRISM began as ASTRO-H2 aka ASTRO-H Successor,
serving as a replacement for ASTRO-H, which failed
to reach operational status. XRISM's role is to support
X-ray astronomy through the 2020s until the next round of
major X-ray observatories reach service.
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