Astronomy: Institutions: Observatories: X-ray

ASCA (formerly named Astro-D) is Japan's fourth cosmic X-ray astronomy mission, and the second for which the United States is providing part of the scientific payload.

Orbiting observatory that opens a window for the most detailed X-ray view of the universe ever revealed.

News, education, chronicles, and launch.

Stars, supernovae, black holes, white dwarfs, galaxies.

Data analysis, instruments and calibration, links, target and scheduling, users, newsletters.

An X-ray timing experiment with large collecting area and microsecond time resolution capable of conducting a broad program of studies of galactic X-ray binaries.

European Space Agency's X-ray multi-mirror satellite.