Physics – Optics
Scientific paper
Jan 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4840..273h&link_type=abstract
Future Giant Telescopes. Edited by Angel, J. Roger P.; Gilmozzi, Roberto. Proceedings of the SPIE, Volume 4840, pp. 273-282 (2
Physics
Optics
4
Scientific paper
We propose a high-density coherentarray of eighteen 10-meter liquid-mirror telescopes. Each telescope is equipped with a reflective corrector system that enables it to point and track within an eight-degree diameter accessible field of view centered on the zenith. Equipped with adaptive optics, each telescope would deliver a diffraction-limited beam to a common focal plane. There, a dichroic optical-infrared camera will provide simultaneous imaging in six wavelength bands from 0.6 to 2.2 um. Operating coherently as a Fizeau imaging interferometer, the array would be capable of achieving 4 mas resolution at 1 um and a point source sensitivity of 40 pJy (IAB = 34.9) in a single 30 min exposure. With incoherent beam recombination it would be capable of 25 mas resolution and a point-source detection limit of 250 pJy (IAB = 32.9) in a single 30 min exposure. The telescope uses proven technologies and could be built in a comparatively-short time.
Hickson Paul
Lanzetta Kenneth M.
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