Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.354...13d&link_type=abstract
In ESA, Targets for Space-Based Interferometry p 13-17 (SEE N93-31750 12-89)
Astronomy and Astrophysics
Astronomy
2
Astronomical Interferometry, Imaging Techniques, Ultraviolet Astronomy, Ultraviolet Spectroscopy, Cool Stars, Galaxies, Globular Clusters, Spatial Resolution
Scientific paper
The scientific advantages of imaging astronomical targets in the ultraviolet (wavelength 1200-3000) region of the spectrum are discussed. Experience with ultraviolet spectroscopy of objects using the International Ultraviolet Explorer (IUE) and Hubble Space Telescope (HST), and recent ultraviolet imaging from the Ultraviolet Imaging Telescope (UIT) on the Astro mission and HST, which combined with theoretical expectations has provided the basis to identify important scientific problems that can be addressed by imaging ultraviolet interferometry, is considered. The ultraviolet imaging of cool stars, globular clusters and galaxies, are discussed. Current achievements in ultraviolet imaging are summarized and the spatial resolution required for imaging elements in and around various stellar and extragalactic targets is given. It is concluded that examples of interest to ultraviolet imaging include imaging of stars and binary systems, dense cores of star clusters, and galactic nuclei and jets.
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