Astronomy and Astrophysics – Astronomy
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983esoc...17....7a&link_type=abstract
IN: Workshop on ESO's Very Large Telescope, Cargese, Corse, France, May 16-19, 1983, Proceedings (A84-48051 23-89). Garching, We
Astronomy and Astrophysics
Astronomy
Astronomy, Space Observations (From Earth), Stars, Telescopes, Angular Resolution, Signal To Noise Ratios, Spectral Resolution, Temporal Resolution
Scientific paper
By increasing the aperture of an optical telescope, the rate at which photons can be collected from a given stellar object is increased while the angular extent of its diffraction pattern is decreased. Attention is presently given to the consequences of the operation of a telescope of the scale planned for the Very Large Telescope of the European Southern Observatory. Performance improvements range over increased distance limit, better angular resolution, improved time resolution, higher spectral resolution, high signal/noise ratio observations of faint stars, and shorter integration times.
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