Computer Science – Sound
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991alab.reptr....w&link_type=abstract
Final Report, 26 Jun. 1990 - 25 Jun. 1991 Alabama Univ., Huntsville. Center for Applied Optics.
Computer Science
Sound
Alignment, Microscopes, Solar Arrays, Solar Instruments, Solar Radiation, Spaceborne Astronomy, X Ray Astronomy, X Ray Telescopes, Atmospheric Temperature, Cassegrain Optics, Coronal Holes, Coronal Loops, Emission Spectra, Extreme Ultraviolet Radiation, Solar Atmosphere, Solar Corona, Solar Magnetic Field, Solar Prominences, Solar Wind, Sounding Rockets, Spatial Resolution
Scientific paper
The tasks performed by the Center for Applied Optics (CAO) in support of the Normal Incidence Multilayer X-Ray Optics Program are detailed. The Multi-Spectral Solar Telescope Array (MSSTA) was launched on a Terrier-boosted Black Brant sounding rocket from White Sands Missile Range on 13 May 1991. High resolution images of the sun in the soft x ray to extreme ultraviolet (EUV) regime were obtained with normal-incidence Cassegrain, Ritchey-Chretien, and Herschelian telescopes mounted in the sounding rocket. MSSTA represents the first use of multilayer optics to study a very broad range of x ray and EUV solar emissions. Energy-selective properties of multilayer-coated optics allow distinct groups of emission lines to be isolated in the solar corona and transition region. Features of the near and far coronal structures including magnetic loops of plasmas, coronal plumes, coronal holes, faint structures, and cool prominences are visible in these images. MSSTA successfully obtained unprecedented information regarding the structure and dynamics of the solar atmosphere in the temperature range of 10(exp 4)-10(exp 7) K. The performance of the MSSTA has demonstrated a unique combination of ultra-high spatial resolution and spectral differentiation by use of multilayer optics.
Hoover Richard B.
Walker Arthur B. C.
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