Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..211..291m&link_type=abstract
IN: High-energy astrophysics in the 21st century; Proceedings of the Workshop, Taos, NM, Dec. 11-14, 1989 (A91-47977 20-90). New
Astronomy and Astrophysics
Astrophysics
Astrometry, Interferometry, X Ray Imagery, Accretion Disks, Active Galactic Nuclei, Angular Resolution, X Ray Binaries
Scientific paper
X-ray interferometry has the potential for observations of unprecedented angular resolution and far-reaching astrophysical consequences. Two X-ray interferometer observatory concepts are discussed: a submilliarcsecond interferometer which can resolve nearby stellar coronas and jets in AGN's, and a submicroarcsecond resolution design which could resolve and measure the diameters and inclinations of accretion disks in AGN's and determine the orbital parameters of X-ray binaries. The designs exploit the large angle reflection capabilities of multilayer mirrors, and use proven optical interferometric techniques being developed for gravity wave beam detectors to provide the necessary metrology. Observations of sources fainter than 1 percent of 3C273 and Capella should be possible. For the submicroarcsecond concept, a lunar platform is essential for providing a stable, kilometer-length baseline.
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