GOES-13 SXI initial on-orbit performance results

S. M. Hill; V. J. Pizzo; A. A. Reinard; D. A. Biesecker; J. Lemen; P. Catura; M. Morrison; T. Rink; D. Sabolish; R. Stern

doi:10.1117/12.734738

20 September 2007 GOES-13 SXI initial on-orbit performance results

S. M. Hill, V. J. Pizzo, A. A. Reinard, D. A. Biesecker, J. Lemen, P. Catura, M. Morrison, T. Rink, D. Sabolish, R. Stern

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Proceedings Volume 6689, Solar Physics and Space Weather Instrumentation II; 66890H (2007) https://doi.org/10.1117/12.734738
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

On 2006 May 24 NOAA's Geostationary Operational Environmental Satellite (GOES) 13 satellite was launched with the next generation Solar X-ray Imager (SXI) aboard. This instrument represents a significant step forward in performance over the previous SXI flown on GOES-12, even before that instrument suffered serious degradation. Like the previous instrument, the new instrument uses a grazing incidence optical design, but with a new detector and other improvements, it has about 10 times the sensitivity, twice the spatial resolution, and greatly reduced wide-angle scattering compared to the GOES-12 SXI. The GOES-13 SXI completed its 6 month checkout period in December 2006. Performance tests included dark current, flat-field, spatial response, scattered light, pointing stability and jitter. We present initial analyses and results of these tests as well as comparisons to ground test results. In addition, GOES-13 solar observations are compared to solar observations by other instruments. When it enters operations, the GOES-13 SXI will provide continuous, real-time observations of the X-ray Sun at 1-minute cadence.

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S. M. Hill, V. J. Pizzo, A. A. Reinard, D. A. Biesecker, J. Lemen, P. Catura, M. Morrison, T. Rink, D. Sabolish, and R. Stern "GOES-13 SXI initial on-orbit performance results", Proc. SPIE 6689, Solar Physics and Space Weather Instrumentation II, 66890H (20 September 2007); https://doi.org/10.1117/12.734738

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KEYWORDS

Sun

Scattering

Sensors

X-rays

Coronagraphy

Image filtering

Satellites

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