NASA NTRS · 20100036498
Focusing X-Ray Telescopes
Abstract
During the half-century history of x-ray astronomy, focusing x-ray telescopes, through increased effective area and finer angular resolution, have improved sensitivity by 8 orders of magnitude. Here, we review previous and current x-ray-telescope missions. Next, we describe the planned next-generation x-ray-astronomy facility, the International X-ray Observatory (IXO). We conclude with an overview of a concept for the next next-generation facility, Generation X. Its scientific objectives will require very large areas (about 10,000 sq m) of highly-nested, lightweight grazing-incidence mirrors, with exceptional (about 0.1-arcsec) resolution. Achieving this angular resolution with lightweight mirrors will likely require on-orbit adjustment of alignment and figure.
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O'Dell, Stephen, Brissenden, Roger, Davis, William, Elsner, Ronald, Elvis, Martin, Freeman, Mark, Gaetz, Terrance, Gorenstein, Paul, Gubarev, Mikhall, Jerlus, Diab, Juda, Michael, Kolodziejczak, Jeffrey, Murray, Stephen, Petre, Robert, Podgorski, William, Ramsey, Brian, Reid, Paul, Saha, Timo, Wolk, Scott, Troller-McKinstry, Susan, Weisskopf, Martin, Wilke, Rudeger, Zhang, William. 2010-08-01. Focusing X-Ray Telescopes. https://ntrs.nasa.gov/citations/20100036498
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