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Title: The Joint astrophysical plasmadynamic EXperiment (J-PEX): A high-resolution rocket spectrometer
Authors: Barstow, Martin A.
Bannister, Nigel P.
Cruddace, R. G.
Kowalski, M. P.
Wood, K. S.
Yentis, D. J.
Gursky, H.
Barbee, T. W.
Goldstein, W. H.
Kordas, J. F.
Fritz, G. G.
Culhane, J. L.
Lapington, J. S.
First Published: 26-Feb-2003
Presented at: Conference on Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, WAIKOLOA, HI
Start Date: 22-Aug-2002
End Date: 23-Aug-2002
Publisher: Society of Photo-optical Instrumentation Engineers (SPIE)
Citation: Proceedings of SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, 654 (February 26, 2003);
Abstract: We report on the successful sounding rocket flight of the high resolution (R=3000-4000) J-PEX EUV spectrometer. J-PEX is a novel normal incidence instrument, which combines the focusing and dispersive elements of the spectrometer into a single optical element, a multilayer-coated grating. The high spectral resolution achieved has had to be matched by unprecedented high spatial resolution in the imaging microchannel plate detector used to record the data. We illustrate the performance of the complete instrument through an analysis of the 220-245Å spectrum of the white dwarf G191-B2B obtained with a 300 second exposure. The high resolution allows us to detect a low-density ionized helium component along the line of sight to the star and individual absorption lines from heavier elements in the photosphere.
DOI Link: 10.1117/12.459810
ISSN: 0277-786X
ISBN: 0-8194-4633-5
eISSN: 1996-756X
Version: Post-print
Status: Peer-reviewed
Type: Conference Paper
Rights: Creative Commons “Attribution Non-Commercial No Derivatives” licence CC BY-NC-ND, further details of which can be found via the following link: Archived with reference to SHERPA/RoMEO and publisher website.
Appears in Collections:Conference Papers & Presentations, Dept. of Physics and Astronomy

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