Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh42c..01h&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SH42C-01
Physics
7509 Corona, 7549 Ultraviolet Emissions, 7554 X Rays, Gamma Rays, And Neutrinos, 7594 Instruments And Techniques
Scientific paper
NOAA's GOES-12 weather satellite, launched into geosynchronus orbit on 23 July 2001, carries NOAA's first Solar X-ray Imager (SXI). When it enters regular operations this instrument will provide nearly uninterrupted, full-disk, broadband soft X-ray solar movies, with a continuous frame rate significantly exceeding that for previous similar instruments. The SXI provides images with a one-minute cadence and a single-image (adjustable) dynamic range near 100. A set of metallic thin-film filters provides a degree of temperature discrimination in the 0.6-6.0 nm bandpass. The spatial resolution of approximately 10 arcseconds FWHM is sampled with 5 arcsecond pixels. We present first observational results for the SXI from its post-launch check-out period. Observed coronal phenomenology -- some of it perhaps unique to SXI's spectral band, cadence and continuity of observations -- is presented. Multi-band observations of coronal holes, X-ray bright points, active regions, flares and post-flare loops are presented and qualitatively compared to contemporaneous observations by Yohkoh SXT and SOHO EIT.
Balch Christopher C.
Hill Steven M.
Pizzo Victor J.
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