Author/Authors :
Kilbourne، نويسنده , , C.A. and Boyce، نويسنده , , K.R. and Brown، نويسنده , , G.V. and Cottam، نويسنده , , J. and Figueroa-Feliciano، نويسنده , , E. and Fujimoto، نويسنده , , R. and Furusho، نويسنده , , T. and Ishisaki، نويسنده , , Y. and Kelley، نويسنده , , R.L and McCammon، نويسنده , , D. and Mitsuda، نويسنده , , K. and Morita، نويسنده , , U. and Porter، نويسنده , , F.S. and Ota، نويسنده , , N. and Saab، نويسنده , , T. and Take، نويسنده ,
Abstract :
Background counts on the XRS calorimeter spectrometer of the Suzaku Observatory (formerly Astro-E2) have several sources, including primary cosmic rays and secondary particles interacting with the pixels and with the silicon structure of the array. Using ground data, we identified the types of correlations between events on different pixels, and between pixel pulses and the signal from the anti-coincidence detector behind the calorimeter. In this paper, we present details of the ground background events and the rejection criteria required to remove them while minimizing deadtime. We also present the in-orbit background measured during the time that XRS was functioning in orbit.
Keywords :
Cosmic rays , Electron loss , X-ray detectors , Thermal detectors , Microcalorimeter array
