QUASAT: Technical aspects of the proposed mission

Details QUASAT: Technical aspects of the proposed mission QUASAT: Technical aspects of the proposed mission

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.213...27.&link_type=abstract

In its QUASAT: A VLBI Obs. in Space p 27-95 (SEE N85-16700 07-88)

Astronomy and Astrophysics

Astronomy

Quasat, Radio Astronomy, Radio Sources (Astronomy), Satellite Design, Spaceborne Astronomy, Very Long Base Interferometry, European Space Programs, Nasa Programs, Satellite Antennas, Satellite Configurations, Satellite Ground Support

Scientific paper

The mission characteristics of the QUASAT VLBI satellite; the radio astronomy radio frequency subsystems; the ESA and NASA flight system configurations; and ground system requirements are described. The mission is designed to provide images of the total intensity and polarized emission of compact radio sources. The radio astromony subsystems include the feed assembly, low-noise preamplifiers, a downconverter intermediate amplifier assembly, and a data formatter. The ESA proposal is based on a 20 m rigid inflatable antenna. The NASA proposal is based on existing technology for a 15 m deployable antenna. Full uv-plane coverage requires six ground stations with two-way X or Ku band links, and possibly a five band downlink.

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