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ROSAT

ROSAT was a German-led X-ray and extreme-ultraviolet observatory developed with United States and United Kingdom participation. It performed the first imaging all-sky X-ray survey and then conducted pointed observations of stars, compact objects, supernova remnants, galaxies, clusters, planets, and comets.

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Identity

Aliases
ROentgen SATelliteRöntgensatellitRoentgen Satellite
Name
ROSAT
Slug
rosat
Status
completed

Details

Astronauts
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Description
ROSAT was a German-led X-ray and extreme-ultraviolet observatory developed with United States and United Kingdom participation. It performed the first imaging all-sky X-ray survey and then conducted pointed observations of stars, compact objects, supernova remnants, galaxies, clusters, planets, and comets.
End Date
1999-02-12
Launch Site
Outcome
ROSAT operated for nearly nine years instead of its planned eighteen months. Its surveys cataloged tens of thousands of X-ray and extreme-ultraviolet sources, its pointed program supported thousands of researchers, and it made the first detection of X-rays from a comet.
Program
German-British-US ROSAT Program
Start Date
1990-06-01
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Creation Time
July 18, 2026 at 15:01:19 UTC
Updated Time
July 18, 2026 at 15:01:19 UTC

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