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White Paper response to NASA RFI
January 2012 AAS Poster
Effective area:
The plots below show the AEGIS effective area (vs wavelength (top) or energy (bottom)). The lower colored curves are the area per order and grating period (2000A or 2300A; orders 1-13 with lowest order rightmost on the wavelength axis). The upper gray curve is the sum of the lower curves. These areas were derived from end-to-end ray-trace simulations. They include the effects of (dithered) chip gaps, which show as the sharp downward spikes. The curves also contain a bit of noise (<3%), since they are derived from a Monte-Carlo ray-trace.
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The above effective areas and resolving power are packaged in standard response formats ("ARF" and "RMF"), assuming either a Gaussian or Lorentzian instrumental line profile. The responses are available for the combination of all orders and gratings, or for the individual orders. You can find a detailed description and the files at http://web.mit.edu.ezproxyberklee.flo.org/~dph/www/aegis_responses/.
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