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Session 52 - AXAF, X-ray, Gamma Ray Instruments.
Display session, Thursday, January 08
Exhibit Hall,

[52.05] CUBIC2: Spectroscopy of the Diffuse X-ray Background

D. N. Burrows, J. A. Nousek, G. P. Garmire (Penn State University)

The CUBIC instrument on the US/Argentine SAC-B satellite was lost due to a Pegaus launch failure in 1996 November. Improved spectroscopy of the diffuse X-ray background is still needed to further our understanding of both cosmic and galactic components. We describe a proposed reflight of CUBIC that can be accomodated within the UNEX program. With new detectors, CUBIC2 will be capable of energy resolution as good as 30 eV at low energies, and will extend the low energy bandpass to below 100 eV. We present simulated spectra and compare them with spectra obtained on sounding rocket flights using similar detectors.

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