Model payload and system design of the SIMURIS interferometric mission

Details Model payload and system design of the SIMURIS interferometric mission Model payload and system design of the SIMURIS interferometric mission

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992wadc.iafcz....d&link_type=abstract

IAF, International Astronautical Congress, 43rd, Washington, Aug. 28-Sept. 5, 1992. 13 p.

Astronomy and Astrophysics

Astronomy

Computer Aided Design, Interferometers, Space Station Payloads, Spaceborne Astronomy, Ultraviolet Astronomy, High Resolution, Mission Planning, Pointing Control Systems, Spectral Line Width, Synthetic Apertures, Systems Engineering

Scientific paper

SIMURIS (Solar, Solar System, and Stellar Interferometric Mission for Ultrahigh Resolution Imaging and Spectroscopy) has been proposed to ESA as a Mission in the context of the Space Station in November 1989 in answer to the Call for the Next Medium Size Mission (M2). It has completed, since, an Assessment Study, and is now proceeding for a Phase A. SIMURIS employs advanced interferometric techniques. The payload includes two major instruments which are the Solar Ultraviolet Network (SUN), an interferometric array of four 20-cm telescopes on a 2-m baseline, and the Imaging Fourier Transform Spectrometer (IFTS) which uses light from a 40-cm Gregory telescope. Both instruments have active pointing capabilities of 3 milliarcsec stability, and SUN has, in addition, an active cophasing control to 1/50th of a wavelength. EUV multilayer telescopes complete the payload for diagnostics of the very high temperature plasma. The SIMURIS model payload will be described with emphasis on the system design of the interferometric aspects of the instruments.

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