Astronomy and Astrophysics – Astrophysics
Scientific paper
1996-11-21
Astronomy and Astrophysics
Astrophysics
20 pages, Latex, ngxo.sty file included Talk given at ``Next Generation X-ray Observatories'' Workshop, Leicester, England (Ju
Scientific paper
X-ray astronomy needs to set bold, science driven goals for the next decade. Only with defined science goals can we know what to work on, and a funding agency appreciate the need for significant technology developments. To be a forefront science the scale of advance must be 2 decades of sensitivity per decade of time. To be stable to new discoveries these should be general, discovery space, goals. A detailed consideration of science goals leads us to propose that a mirror collecting area of 10 sq.meters with arcsecond resolution, good field of view (>10 arcmin), and with high spectral resolution spectroscopy (R=1000-10,000) defines the proper goal. This is about 100 times AXAF, or 30 times XMM. This workshop has shown that this goal is only a reasonable stretch from existing concepts, and may be insufficiently bold. An investment of roughly $10M/year for 5 years in X-ray optics technologies, comparable to NASA's investment in ASTRO-E or a SMEX, is needed, and would pay off hugely more than any small X-ray mission.
Elvis Martin
Fabbiano Giuseppina
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