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Proceedings Paper

The WSO: a world-class observatory for the ultraviolet
Author(s): Martin Adrian Barstow; L. Binette; Noah Brosch; F.Z. Cheng; Michel Dennefeld; A.I. Gomez de Castro; H. Haubold; K.A. van der Hucht; N. Kappelmann; P. Martinez; A. Moisheev; I. Pagano; Erez N. Ribak; J. Sahade; B. I. Shustov; J.-E. Solheim; W. Wamsteker; K. Werner; Helmut Becker-Ross; Stefan Florek
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Paper Abstract

The World Space Observatory is an unconventional space project proceeding via distributed studies. The present design, verified for feasibility, consists of a 1.7-meter telescope operating at the second Largangian point of the Earth-Sun system. The focal plane instruments consist of three UV spectrometers covering the spectral band from Lyman alpha to the atmospheric cutoff with R~55,000 and offering long-slit capability over the same band with R~1,000. In addition, a number of UV and optical imagers view adjacent fields to that sampled by the spectrometers. Their performance compares well with that of HST/ACS and the spectral capabilities of WSO rival those of HST/COS. The WSO, as presently conceived, will be constructed and operated with the same distributed philosophy. This will allow as many groups and countries to participate, each contributing as much as feasible but allowing multi-national participation. Although designed originally with a conservative approach, the WSO embodies some innovative ideas and will allow a world-class mission to be realized with a moderate budget.

Paper Details

Date Published: 24 February 2003
PDF: 11 pages
Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); doi: 10.1117/12.459779
Show Author Affiliations
Martin Adrian Barstow, Univ. of Leicester (United Kingdom)
L. Binette, Tel Aviv Univ. (Israel)
Noah Brosch, Tel Aviv Univ. (Israel)
F.Z. Cheng, Univ. of Science and Technology (China)
Michel Dennefeld, Institut d'Astrophysique de Paris (France)
A.I. Gomez de Castro, IAG (Spain)
H. Haubold, UN-OSD (Austria)
K.A. van der Hucht, Space Research Organization (Netherlands)
N. Kappelmann, Univ. Tübingen (Germany)
P. Martinez, South African Astronomical Observatory (South Africa)
A. Moisheev, Lavochkin Association (Russia)
I. Pagano, Osservatorio Astrofisico di Catania (Italy)
Erez N. Ribak, Technion-Israel Institute of Technology (Israel)
J. Sahade, Conae (Argentina)
B. I. Shustov, INASAN (Russia)
J.-E. Solheim, Univ. of Trömso (Norway)
W. Wamsteker, European Space Agency (Spain)
K. Werner, Univ. Tübingen (Germany)
Helmut Becker-Ross, Institute of Spectrochemistry and Applied Spectroscopy (Germany)
Stefan Florek, Institute of Spectrochemistry and Applied Spectroscopy (Germany)


Published in SPIE Proceedings Vol. 4854:
Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation
J. Chris Blades; Oswald H. W. Siegmund, Editor(s)

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