Ground/space co-operation for interferometry

Details Ground/space co-operation for interferometry Ground/space co-operation for interferometry

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.344..267g&link_type=abstract

In ESA, Solar Physics and Astrophysics at Interferometric Resolution p 267-270 (SEE N93-10901 01-90)

Physics

Optics

Adaptive Optics, Calibrating, Interferometry, Laser Applications, Satellite Observation, Space Observations (From Earth), Telescopes, Eccentric Orbits, High Resolution, Solar Activity, Spaceborne Astronomy

Scientific paper

The use of PHAROS (Proposal for a High Resolution Optical Survey) for daytime observations and for solar studies is explained. This proposal would launch several low power (about 2 mW) lasers on a satellite in a highly eccentric orbit and use these lasers to provide a calibration source for both adaptive optics correction in large aperture telescopes and for interferometric studies over baselines of up to kilometric dimensions. Diffraction limited imaging of unresolved sources as faint as +30 could be achieved using PHAROS for calibration of night time observations on an 8 m telescope.

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