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P.R. LaPlume (Boston University), J.S. Arabadjis (MIT), S. Chakrabarti, T.A. Cook (Boston University)
The Spectroscopy and Photometry of IGM's Diffuse Radiation (SPIDR) mission will utilize six single-element imaging spectrographs to observe UV emission from the Warm-Hot Intergalactic Medium (WHIM). Several coded slit arrangements are currently under consideration, with the goal of maximimizing sensitivity to emission in the OVI doublet. We present here a study of the different slit configurations. We use matched filter analysis and Markov Chain Monte Carlo simulations, and include realistic values of the Galactic background and Lyman alpha scattering over a wide range of OVI doublet strengths. We briefly discuss its impact on SPIDR's ability to detect the WHIM over a broad range of redshift. Support for this study has been provided by NASA Contract NAS 5-03013.
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Bulletin of the American Astronomical Society, 35 #3
© 2003. The American Astronomical Soceity.