Computer Science – Sound
Scientific paper
Sep 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...19410803h&link_type=abstract
American Astronomical Society Meeting 194, #108.03
Computer Science
Sound
Scientific paper
Two successful sounding rocket flights were launched on May 15, 1997 and Nov. 2, 1998 with an objective of providing inter-calibration with several of the instruments on SOHO and TRACE. We will discuss here the results of this inter-calibration between the SwRI/LASP rocket imaging instruments and the Extreme Ultraviolet Imaging Telescope (EIT) on SOHO. The Multiple XUV Imager (MXUVI) sounding rocket instrument is a multi-layer mirror telescope equiped with a special internal occulter and light trap to provide full disk images of Fe IX/X 171 A and off-limb observations of He II 304 A. The SOHO/EIT instrument is also a full disk multi-layer imager with four channels, Fe IX/X 171 A, Fe XII 195 A, Fe XV 284 A and He II 304 A. By comparison with the EIT observations taken at the same time we can quantify the sensitivity degradation or "limb-burning" of the EIT detector and construct a "flat field", as well as measure the off-limb stray light characteristics of the EIT He II 304 A channel. We will also discuss the radiometric calibration transfer between the rocket instrument and EIT.
Auchere Frédéric
Hassler Donald M.
Slater Dan
Woods Thomas N.
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