First X-ray CCD Observations of the Soft X-ray Background from 0.2 to 10 keV

Details First X-ray CCD Observations of the Soft X-ray Background from 0.2 to 10 keV First X-ray CCD Observations of the Soft X-ray Background from 0.2 to 10 keV

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.4304m&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #43.04; Bulletin of the American Astronomical Society, Vol. 28, p.889

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Scientific paper

Preliminary results of the first X-ray CCD observations of the X-ray background between 0.2 and 10 keV are presented. Data were obtained from individual sounding rocket flights on May 22, 1995 from White Sands, New Mexico and on October 25, 1995 from Woomera, Australia. The target for the second flight was a bright region of the soft X-ray background centered at 0 degrees longitude and -15 degrees latitude in galactic coordinates. Covering approximately 1800 square degrees, this feature dominates all-sky surveys below the galactic plane from 0.5 to 1.5 keV. These data will be compared with data from a dim region of the X-ray background in the constellation Draco, obtained on the first flight. The detector for these flights was a thinned gate CCD built by EEV and designed to maximize X-ray response below 0.75 keV without adopting a backside illumination scheme. Improved quantum efficiency over conventional X-ray CCDs above 1 keV was also achieved due to the high resistivity ( 1500 ohm-cm) of this device. This type of CCD will be flown on three sounding rocket flights prior to being launched aboard the CUBIC experiment in November 1996. Similar devices are also scheduled to be launched on Leicester University's Spectrum X/JET-X and XMM/EPIC instruments.

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