APEX/J-PEX: A High-Resolution Spectrometer for EUV/X-ray Wavelengths

Details APEX/J-PEX: A High-Resolution Spectrometer for EUV/X-ray Wavelengths APEX/J-PEX: A High-Resolution Spectrometer for EUV/X-ray Wavelengths

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001tysc.confe.246k&link_type=abstract

Two Years of Science with Chandra, Abstracts from the Symposium held in Washington, DC, 5-7 September, 2001, meeting abstract.

Computer Science

Sound

Normal Stars And White Dwarfs

Scientific paper

Future X-ray and EUV missions should include high-resolution spectrometers, permitting use of the full range of spectroscopic diagnostics, in particular measurement of line profiles and Doppler shifts. We present a design for such an instrument (APEX), which would fly on a Small Explorer Satellite and which employs multilayer-coated ion-etched gratings in a normal-incidence configuration. We have already flown successfully a prototype spectrometer (J-PEX) on a NASA sounding rocket. The resulting EUV spectrum of the white dwarf G191-B2B will be presented.

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