Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rsci...75.3772p&link_type=abstract
Review of Scientific Instruments, Volume 75, Issue 10, pp. 3772-3774 (2004).
Astronomy and Astrophysics
Astrophysics
23
X- And Gamma-Ray Telescopes And Instrumentation, X-Ray And Gamma-Ray Measurements, X-Ray And Gamma-Ray Spectrometers, X- And Gamma-Ray Sources, Mirrors, Gratings, And Detectors, Laboratory Studies Of Space- And Astrophysical-Plasma Processes, Calorimeters
Scientific paper
The x-ray spectrometer (XRS) instrument is a revolutionary nondispersive spectrometer that will form the basis for the Astro-E2 observatory to be launched in 2005. We have recently installed a flight spare XRS microcalorimeter spectrometer at the EBIT-I and SuperEBIT facility at LLNL replacing the XRS from the earlier Astro-E mission and providing twice the resolving power. The XRS microcalorimeter is an x-ray detector that senses the heat deposited by the incident photon. It achieves a high energy resolution by operating at 0.06 K and by carefully engineering the heat capacity and thermal conductance. The XRS/EBIT instrument has 32 pixels in a square geometry and achieves an energy resolution of 6 eV at 6 keV, with a bandpass from 0.1 to 12 keV (or more at higher operating temperature). The instrument allows detailed studies of the x-ray line emission of laboratory plasmas. The XRS/EBIT also provides an extensive calibration ``library'' for the Astro-E2 observatory.
Beiersdorfer Peter
Boyce Kevin R.
Brown Greg V.
Chen Hui
Kahn Steven M.
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