PRONAOS

Details PRONAOS PRONAOS

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..229e&link_type=abstract

In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 229-230 (SEE N91-21986 13-89)

Astronomy and Astrophysics

Astronomy

Balloon-Borne Instruments, Bolometers, Cosmic Dust, Submillimeter Waves, Telescopes, Error Correcting Devices, France, Optical Correction Procedure, Spectrum Analysis

Scientific paper

Th PRONAOS (French acronym for national project for submillimeter observation) mission is described. The mission involves a 2 m class telescope flown on a gondola under a 900,000 cubic meter balloon from Sicily and Spain for a 22 to 26 hour flight. The segmented mirrors of the telescope can be adjusted in flight by 18 actuators permitting corrections due to temperature changes during the balloon flight. The receiver consists of 4 bolometers cooled to 0.3 K designed to observe dust emissivity properties in our galaxy and measure the Sunyaev-Seldovich effect.

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